highaltitude.log.20130924

[00:00] <enkidu> dont know. I am doing night shift tonight
[00:06] <arko> haha
[00:06] <arko> \o/ someone in the eu is awake
[00:06] <enkidu> with this caffeine dose ill be awake for three days
[00:07] <arko> like that episode of futurama when fry drinks 100 cups
[00:07] <enkidu> of slurm? ;p
[00:09] <arko> http://www.youtube.com/watch?v=C9Ef0ErCU1c
[00:09] <enkidu> btw there are very strange things little chinese hands made, but I cannot find THIS http://obrazki.elektroda.net/45_1256252606.jpg
[00:09] <enkidu> ah, this one
[00:18] <enkidu> listening to strange noise ... just f***d up things
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[00:27] <enkidu> flat developers are more and more greedy. 12 sq, metres flat for 30k euro (half price of standalone house)
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[01:11] <SpeedEvil> 12?
[01:11] <SpeedEvil> you don't mean 12*12
[01:11] <enkidu> twelve square metres
[01:11] <SpeedEvil> but a room 3*4m?
[01:12] <SpeedEvil> wow
[01:12] <enkidu> 3x3 room plus 1x3 WC
[01:12] <enkidu> and they call it "apartment"
[01:12] <enkidu> students are target
[01:12] <SpeedEvil> I can see it being useful.
[01:12] <SpeedEvil> and handy
[01:12] <SpeedEvil> but 30k...
[01:13] <enkidu> for real - you coulld build small house for this price if you already has parcel
[01:17] <SpeedEvil> I'm reminded of https://www.youtube.com/watch?v=SbRvsWuWNUM&feature=youtube_gdata_player
[01:18] <enkidu> no more than 10k euros. such a thing doesnt need foundation so no permission needed, not even projects
[01:22] <enkidu> http://www.youtube.com/watch?v=8JM6bj8RyEo
[01:26] <Mik_WD8MNV> just go buy a cargo container or 2, and make a house out of it
[01:26] <enkidu> you can already buy living container, this is what engineers love
[01:28] <enkidu> http://www.euro-mega.com.pl/photos/3.2.jpg
[01:30] <enkidu> annoying neighbours? get a truck and move your house away
[01:30] <Mik_WD8MNV> there's that
[01:30] <Mik_WD8MNV> take your house to burning man
[01:33] <enkidu> anyways, i would prefer to build underground silo house. Just because ;)
[01:34] <Mik_WD8MNV> you can also buils a 'water tower' style home
[01:34] <enkidu> easy way: buy old railroad water tower
[01:35] <enkidu> get rid of homeless, build doors, walls etc
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[01:35] <enkidu> old windmills are also nice
[01:36] <DL7AD> enkidu good morning
[01:36] <Mik_WD8MNV> turn train station into cafe
[01:36] <enkidu> hello :)
[01:36] <DL7AD> enkidu im controlling the station in sweden. no signal yet
[01:37] <enkidu> okay. no signal in my area too, but I am covering estonia-lithuania region
[01:39] <DL7AD> enkidu the battery was very weak the second night. i dont know if we lost it because it failed or we lost contact. but it was at 2.7V (3.0V is cutoff voltage). so i think it definetly failed now. but who knows....
[01:39] <enkidu> it may restart as B-12 did
[01:40] <DL7AD> the sun will produce enough energy for the solar cells at 0452 UTC caltulated for Denmark
[01:45] <DL7AD> enkidu do you have a globaltuners account?
[01:45] <enkidu> I have
[01:45] <DL7AD> still trial account?
[01:46] <enkidu> possibly, dont know how to check
[01:46] <enkidu> ah, normal at last
[01:49] <DL7AD> ah good.
[01:49] <DL7AD> i want to avoid that someone is changing the frequency because i have still the trial account for some days
[01:49] <enkidu> no audio tho. probably chrome expects me to use shitaudio...
[01:52] <DL7AD> i can receive audio
[01:52] <DL7AD> b-13 should approach denmark between 3-9 UTC
[01:52] <enkidu> four soundcards...
[02:02] Action: heathkid needs helium
[02:02] <heathkid> or hydrogen
[02:03] <enkidu> cant you just use hydrogen?
[02:03] <enkidu> you can produce it in kitchen
[02:03] Action: heathkid isn't allowed to do such things in the kitchen! :)
[02:03] <enkidu> so what?
[02:03] <enkidu> do it and tell noone
[02:04] <heathkid> okay, so I make it... how do I manage to get it into a balloon?
[02:04] <enkidu> use pipe to collect hydrogen
[02:05] <enkidu> we used two concentric pipes with oxygen electrode outside and hydrogen inside smaller one. small one had pipe with airlock
[02:05] <heathkid> hmm
[02:06] <heathkid> have a drawing?
[02:07] <heathkid> PVC pipes?
[02:07] <enkidu> plexiglass pipe plus glass measure cyllinder
[02:08] Action: heathkid can't picture it... sorry
[02:08] <heathkid> never done anything like that... always just collected both seperately
[02:08] <enkidu> nearly same thing
[02:08] <enkidu> just release oxygen to air
[02:09] <enkidu> or you can use NaOH and Al
[02:09] <heathkid> NaOH?
[02:09] <heathkid> I got the Al part
[02:10] <enkidu> sodium hydroxide reacts with aluminium, producing alutic acid and hydrogen
[02:10] <heathkid> it's the whole collecting it into a fill tube into a balloon I don't get
[02:11] <enkidu> argh, ill draw it
[02:11] <heathkid> :) sorry... but thank you.
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[02:16] <enkidu> you can build it even with pvc pipes, few reductions and electrodes
[02:17] <heathkid> hmm... 2.25 LPM... one I found would take a while even to fill a 600g balloon
[02:17] <heathkid> would that work?
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[02:17] <enkidu> just need current
[02:17] <heathkid> yes... HHO thingy
[02:18] <heathkid> yes, 30A
[02:18] <enkidu> PC psu would be enough
[02:18] <heathkid> PM?
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[05:28] <DL7AD_> good morning
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[06:18] <eroomde_> mornatron
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[06:37] <arko> 9000
[06:38] <Maxell> 9001
[06:38] <DL7AD> 9002
[06:38] <x-f> 9003
[06:39] <eroomde_> all of you need to stop
[06:39] <DL7AD> 9004
[06:39] <arko> it's already over 9000
[06:40] <DL7AD> ah damn. missed the chat log of the night ^^
[06:40] <x-f> we can't stop here, this is bat country
[06:42] <eroomde_> i made an led blink on the pi yesterday
[06:42] <eroomde_> which is to say, i bought a pi to see what the buzz is about
[06:43] <x-f> one of us
[06:43] Last message repeated 1 time(s).
[06:43] <eroomde_> but it was done with the closed boot loader and my own kernel done in assembler
[06:43] <x-f> quite hipster
[06:43] <eroomde_> as much as i dislike the closeness, it is at least fairly easy to just write some arm assembler, assemble it and put it on an sd card and have the pi boot it
[06:46] <DL7AD> LA3EQ probably heared B-13
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[07:05] <ibanezmatt13> Morning
[07:08] <DL7AD> morning
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[07:15] <fsphil> morn' n' stuff
[07:15] <DL7AD> good morning fsphil
[07:16] <HixWork> greetings
[07:16] Action: G0TDJ_Steve *blinks* WhhDayyllightt......
[07:16] <fsphil> it burns us it does
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[07:17] <jcoxon> morning
[07:17] <DL7AD> I am currently using the web chat client. can someone recomment me a client running on windows?
[07:17] <jcoxon> any sign of B-13
[07:17] <G0TDJ_Steve> Good Morning Guys
[07:18] <fsphil> nothing received here
[07:18] <fsphil> and it'll be well past me by now
[07:19] <Maxell> DL7AD: http://quassel-irc.org/downloads
[07:20] <fsphil> LA3EQ
[07:20] <fsphil> ^ is in a perfect spot for north sea floaters :)
[07:20] <fsphil> nothing would get past LA3EQ and OZ1SKY
[07:21] <DL7AD> LA3EQ thought he received something. i thing he received noise. so i sent him an example.... but he did not response yet
[07:22] <fsphil> ah
[07:22] <fsphil> I kept hearing rtty when listening out for it. even though it was domex
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[07:24] <DL7AD> okay... got it... quassel
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[07:24] <DL7AD> thx
[07:27] <Maxell> Nice!
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[07:49] <DL7AD> .
[07:50] <Maxell> ..
[07:50] <DL7AD> i was testing weather im connected or not
[07:50] <Maxell> IRC still disconnects if you go in stand-by
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[07:51] <Babs> Epic jumping to conclusions http://uk.news.yahoo.com/alien-bugs-discovered-earths-atmosphere-152253962.html#glIEXMB
[07:54] <DL7AD> Maxell does Quassel tell IRC when i go in stand-by?
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[07:58] <Maxell> DL7AD: 09:42:13 -!- DL7AD [~quassel@193.175.213.22] has quit [Ping timeout: 245 seconds]
[07:59] <DL7AD> Maxell ah i thought i says something like "DL7AD put his notebook into stanby mode" :D
[07:59] <Maxell> DL7AD: something that will save you some time: pressting TAB after the first few letters of a nickname will autocomplete it.
[07:59] <DL7AD> Maxell: ah cool
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[08:07] <fsphil> Babs: I don't think anyone has believed them so far :)
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[08:09] <Babs> to be fair fsphil, I haven't read the paper so I don't know whether yahoo has just tabloided it but stuff like "it is generally accepted that things don't get up to the upper atmosphere" sound a bit reachy in terms of conclusions.
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[08:10] <daveake> "It is generally accepted" means "we wish it were true"
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[08:12] <LeoBodnar> morning!
[08:12] <jcoxon> hey LeoBodnar
[08:14] <jcoxon> LeoBodnar, suspect B-13 is still flying?
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[08:16] <Herman-PB0AHX> very good morning to all
[08:17] <Maxell> hello
[08:18] <Herman-PB0AHX> he hello maxell
[08:18] <DL7AD> LeoBodnar: morning
[08:19] <Herman-PB0AHX> anny ballon to day ?
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[08:22] <Herman-PB0AHX> yesterday a lot of qrm on the frequentie here bad day
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[08:27] <gonzo_> if telekinesis has any substance, then there are enough of us willing B13 to still fly, even it there were no He left!
[08:28] <Babs> where's Jean Grey when you need her
[08:29] <Maxell> Herman-PB0AHX: B-13 might be in range for UK lads/gents
[08:29] <DL7AD> if we cant receive B-13 we should give up our efforts, i think.
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[08:42] <Herman-PB0AHX> let we hope he is coming to nl-uk
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[08:48] <nats`> hi
[08:48] <fsphil> morning
[08:52] <Maxell> Does anyone have a more recent version? http://ready.arl.noaa.gov/hypubout/17847_trj001.gif
[08:52] <x-f> Maxell, http://leobodnar.com/balloons/B-13/NOAA.gif
[08:53] <Maxell> auto-updated, eh?
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[08:53] <x-f> well, manually, i think :)
[08:53] <Maxell> Herman-PB0AHX: http://leobodnar.com/balloons/B-13/NOAA.gif it's science, not "hope"
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[08:54] <fsphil> these are predictions based on predictions of a payload that may not even be flying anymore .. there's a fair bit of hope involved :)
[08:55] <Maxell> "based on predictions", uh, it was last seen in Spain right?
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[08:56] <fsphil> yea
[08:56] <Maxell> True, the noaa predictions are predictions :P
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[08:58] <fsphil> what I mean is it gets more inaccurate the longer the duration of the prediction is
[08:58] <fsphil> the error on that is probably fairly big
[08:59] <SpeedEvil> has someone run a past prediction. on b11/12 up to the time they were lost, from launch
[09:00] <SpeedEvil> to see how well the prediction works
[09:01] <HixWork> DL7AD I use Nettalk here at work, free and very reliable, handles proxies too ;)
[09:02] <daveake> It's about time Leo put up his Low Earth Orbit mesh :-)
[09:02] <HixWork> Yo Babs any word on the CNC carbon?
[09:02] <daveake> That could widen the tracking area :)
[09:02] <fsphil> that'll probably be his next project
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[09:02] <fsphil> or a mesh network of foil balloons
[09:03] <daveake> that's what I meant
[09:03] <fsphil> that's very low earth orbit
[09:03] <fsphil> VLEO
[09:03] <fsphil> sounds like an electronic music group from the 80s
[09:03] <daveake> LEO indeed
[09:03] <daveake> DEVO ?
[09:04] <Laurenceb__> SpeedEvil: i tried that
[09:04] <x-f> ELO?
[09:04] <Laurenceb__> it missed out the trip over Sweden
[09:04] <Laurenceb__> - the prediction
[09:06] <Laurenceb__> bbl
[09:06] <SpeedEvil> Laurenceb: hmm
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[09:09] <Babs> Yo hixwork
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[09:10] <Babs> Am still designing, so when i get all the pieces done I'm going to look to order
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[09:10] <Babs> http://imgur.com/xyP6QQm
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[09:15] <Rebounder> Laurenceb: bought more coax yesterday so a colinear for 70cm could be built any day so there would be some coverage here
[09:16] <HixWork> sweet, good work Babs
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[09:19] <Babs> I have no clue how structurally strong the carbon fibre is (and dont have the technical wizardry (or really inclination) to work out loads, stiffness, bending angles etc.) so this first pass will be a bit of a flyer. I could build it up and find it massively overengineered
[09:19] <Babs> or it could collapse under its own weight, who knows
[09:20] <Babs> it should be pretty light if nothing else. I think the whole cage inc. motors should be <250g
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[09:24] <Maxell> Rebounder: "coverage here" where are you located?
[09:25] Nick change: KipK_away -> KipK
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[09:27] <domlin> morning all
[09:28] <chrisstubbsW> Hi domlin
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[09:29] <chrisstubbsW> sunday still looks dry for ballooning, prediction has shifted 20 miles north though
[09:29] <chrisstubbsW> brb
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[09:34] <HixWork> Babs you were using 2mm monolithic sheet yes?
[09:35] <Babs> it is 2mm thick, 0.75mm carbon fiber outer plies * 2, fibre glass core or something
[09:36] <Babs> in a technical leap of faith, i looked at a 2mm thick plastic ruler which would have worked in terms of stiffness, judged it should be stiffer than that and bobs your uncle
[09:36] <Babs> but in certain areas I have effectively two lots of carbon fibre sheet in there in a bix construction stylee
[09:37] <Babs> *box
[09:37] <SpeedEvil> bamboo is excellent
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[09:40] <Rebounder> Maxell: sri, stockholm
[09:41] <Rebounder> Maxell: have a 17 el yagi also, but no good place for it..
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[09:42] <HixWork> 2mm will be easily more than stiff enough for your needs imho
[09:43] <HixWork> carbon-balsa-carbon is very very stiff
[09:46] <Geoff-G8DHE> Morning all
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[09:51] <Maxell> Rebounder: ah, nice. So you are getting ready for B-13? :)
[09:51] <Maxell> homebrew antennas are good yes
[09:52] <Rebounder> Maxell: B-x.. ;) just hope to find a little time to put it together. the rg58 is with alu-foil and a bit of a trouble to solder...
[09:52] <mfa298> homebrew antennas can be good - they're also generally cheap
[09:52] <adamgreig> cheap perhaps their best quality
[09:52] <nats`> the moxon linked on the site is just too cool :)
[09:53] <nats`> 30 minutes fabrication
[09:53] <adamgreig> the ones I make anyway :P
[09:53] <nats`> light and clearly good
[09:53] <Maxell> nats`: damn, still didnt made one
[09:53] <mfa298> for hab tracking I've almost entirly used simple homevrew antennas (mostly just a simple GP at the moment)
[09:53] <nats`> Maxell with home electrical wire you can do one
[09:54] <nats`> :)
[09:54] <Rebounder> nats`: on the ukhas pages?
[09:54] <nats`> yep
[09:54] <Maxell> nats`: I have all the suplies, but other projects too
[09:54] <gonzo_> I often use hookup wire as it is felxy (less risk on landing)
[09:55] <Maxell> and I don't need the antenna, I have some pretty good alternatives already working
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[09:55] <nats`> http://www.moxonantennaproject.com/index.html
[09:55] <gonzo_> even cat 5 wires in my pico's
[09:55] <Maxell> Cat5 wire works fine
[09:55] <gonzo_> (sorry, you are tyalking base antennas)
[09:57] <fsphil> cat5 bends too easily
[09:57] <adamgreig> use CAT6 ;)
[09:58] <Maxell> fsphil: what do you suggest? :P
[09:58] <adamgreig> or structured cat5 :P
[09:58] <fsphil> normal wire in a drinking straw ;)
[09:58] <gonzo_> I check the wires just before release. Then assume they won't contact anything
[09:58] <fsphil> or whatever they make those little magmount antennas out of
[09:58] <fsphil> they're so springy
[09:58] <fsphil> they'll bend but go back to normal
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[09:59] <adamgreig> normal stranded hookup wire in straws works pretty well
[10:00] <gonzo_> I came up wuith the wire/straw too, without seeing other's designs. Interesting how engineers tend to end up at the same solutions
[10:00] <gonzo_> no wonder there end up being patent disputes
[10:00] Action: mfa298 starts considering memory metals and wondering what interesting stuff you could do with it.
[10:01] <adamgreig> deployable structures!
[10:01] <gonzo_> don't know, I forget
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[10:01] <adamgreig> not sure what the point of a deployable structure on a HAB would be
[10:01] <adamgreig> given as they kind of launch predeployed and all
[10:01] <adamgreig> and don't really have 'flight phases'
[10:01] <adamgreig> but still!
[10:01] <fsphil> rocket deployed hab
[10:01] <adamgreig> lol
[10:01] <adamgreig> so pointless
[10:01] <adamgreig> would be kinda cool.
[10:01] <fsphil> yep, but COOL
[10:01] <adamgreig> rather than a hab deployed rocket
[10:01] <mfa298> I was wondering about memory metal for the antenna, have it change radiation pattern at different hieghts.
[10:02] <gonzo_> be a bloody biog one to take a He bottle
[10:02] <adamgreig> gonzo_: put the he in the balloon first, clearly - helps lift the rocket ;)
[10:02] <fsphil> first balloon payload in actual space
[10:02] <adamgreig> eventually the motor runs out but the entire rocket continues ascending thanks to helium
[10:02] <gonzo_> would be better off using two tx/ant assemblies
[10:02] <adamgreig> rocket body stops the balloon expanding
[10:02] <fsphil> not counting the big nasa balloons used to bounce radio off
[10:02] <adamgreig> superpressures
[10:03] <fsphil> oh yea, and the venus balloons
[10:03] <fsphil> damn already been done
[10:04] <Maxell> Does UK regulations says something about HABs carrying blinking LEDs?
[10:05] <fsphil> not explicitly
[10:05] <fsphil> maybe under other avaition regulations
[10:06] <mfa298> I can imagine there might be something about what lights can/can't be used in the air (similar to the rules for what's allowed on roads)
[10:07] <gonzo_> I only reall seeing regs on what lights must be carroed by different a/c
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[10:13] <WillDuckworth> is there any news yet on the availability of the NTX2b?
[10:14] <Rebounder> nats`: ah, mm, will have to build one of those :D
[10:15] <mfa298> WillDuckworth: I think we're still waiting for Upu to return to working.
[10:15] <fsphil> 2B or not 2B, that is the question
[10:15] <mfa298> The answer to that is: True
[10:16] <fsphil> true that
[10:16] <WillDuckworth> too true
[10:17] <DL7AD> ?
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[10:17] <LeoBodnar> The answer is 0xFF
[10:22] <fsphil> You've not seen the signs
[10:22] <mfa298> For those that havn't seen it: http://d24w6bsrhbeh9d.cloudfront.net/photo/5642372_700b.jpg
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[10:33] <mattbrejza> aka the glitch generator
[10:34] <Upu> working on the NTX2B's
[10:34] <Upu> should have more info by the end of the week
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[10:52] <enkidu> nothing in vidablick
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[10:56] <Laurenceb> LeoBodnar: http://cmicrotek.com/wordpress_159256135/wp-content/uploads/2013/09/LiPo-temp-curves.png
[10:57] <Laurenceb> looks like there is a significant ESR like effect
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[10:57] <LeoBodnar> Here are two curves I took off the same battery: http://leobodnar.com/balloons/files/LiFePO4.png http://leobodnar.com/balloons/files/LiFePO4-cold.png
[10:58] <LeoBodnar> It can't even reliably produce 30mA in the cold
[10:58] <LeoBodnar> About 1-8C to -12C (cycling)
[10:58] <LeoBodnar> -18C
[10:59] <Laurenceb> interesting
[10:59] Nick change: KipK -> KipK_away
[10:59] <LeoBodnar> It still produced sensible output 865mWh vs 1267mWh at room temperature but ESR has become massive
[11:00] <Laurenceb> interesting
[11:00] <eroomde> LeoBodnar, what's the cause of the oscillating? i can't tell
[11:00] <eroomde> are you varying the current consumtpion?
[11:00] <Laurenceb> so i wonder if RC lipo might work
[11:00] <LeoBodnar> SO you need to draw tiny current to trick the energy out
[11:00] <Laurenceb> im wondering if it scales with the C rating
[11:00] <LeoBodnar> It's my freezer internal fan - temp cycles between -18C and -12C
[11:01] <eroomde> oh right
[11:01] <Laurenceb> most of the small lipo stuff is ~2C
[11:01] <Laurenceb> theres mini 10C stuff for RC
[11:01] <LeoBodnar> I have 2.6V minimum and 50mA maximum limits
[11:01] <Laurenceb> or even 20C ive seen
[11:01] <LeoBodnar> I have started with 3.0V minimum but couldn't get even 50mA out so had to drop it to 2.6V
[11:02] <LeoBodnar> This was 400mAh LiFePO4 so 50mA is 0.125C
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[11:02] <Laurenceb> i see
[11:03] <Laurenceb> http://www.hobbyking.com/hobbyking/store/__11870__ZIPPY_240mAh_30C_Single_Cell_.html
[11:03] <LeoBodnar> But it performed beautifully at room temp
[11:03] <Laurenceb> that battery is long live !
[11:04] <LeoBodnar> 10g is not bad
[11:04] <Laurenceb> http://www.hobbyking.com/hobbyking/store/__10980__Turnigy_160mAh_1S_30C_Eflite_Minium_compatible_.html
[11:04] <Laurenceb> 4.3g or lighter with plug removed
[11:05] <LeoBodnar> THis is ~ the same I am using now: http://miniaviation.com/KM_190P.html
[11:05] <Laurenceb> even if there was a 30 times increase in ESR itd still take 160mA ok
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[11:06] <Laurenceb> thats what you've been flying?
[11:06] <LeoBodnar> yeah
[11:06] <Laurenceb> ah :-S
[11:06] <LeoBodnar> I am going to test them in the freezer tonight
[11:06] <Laurenceb> yeah thats 25C
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[11:06] <Laurenceb> so it should be ok
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[11:07] <Laurenceb> so what was on B-11?
[11:07] <LeoBodnar> I think the way you "break them in" or basically finish formation proces that manufacturers didn't bother to finish defines how well the would perform
[11:08] <LeoBodnar> that one ^
[11:08] <Laurenceb> oh right
[11:08] <Laurenceb> B-11 seems to work well - if anything too much capacity
[11:08] <Laurenceb> so just use those :P
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[11:09] <LeoBodnar> Yea, I think B-13 failure is because I have not properly cycled the battery before sending it off. And definitely didn't test if the battery had the capacity.
[11:09] <LeoBodnar> *due to the fact
[11:11] <LeoBodnar> I have automated my testing setup now so can do some sensible analysis and selection
[11:13] <Laurenceb> was B-13 the same battery type?
[11:13] <Laurenceb> what was B-12 flying?
[11:14] <LeoBodnar> http://robotbirds.com/catalog/product_info.php?cPath=63_153_412&products_id=3327 but well beaten
[11:14] <LeoBodnar> B-13 = B-11
[11:14] <Laurenceb> i see
[11:14] <Laurenceb> ah - fullriver
[11:14] <Laurenceb> thats going to be lower c, higher esr
[11:15] <LeoBodnar> yeah
[11:15] <Laurenceb> i bet this explains the majority of what we're seeing
[11:15] <Laurenceb> looks like you need a high C battery
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[11:16] <adamgreig> maybe get the little ones for ultramini rc helis
[11:17] <adamgreig> http://www.ebay.co.uk/itm/E-Flite-Li-Polymer-Battery-1s-3-7v-150mAh-25C-MSR-x-Pack-EFLB1501S25-3c-Charge-/370890937827
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[11:17] <adamgreig> 4g w/ connectors etc, so probably strip a gram or two once you get rid of the huge plastic block
[11:17] <adamgreig> 25C
[11:18] <LeoBodnar> yeas i need to do some screening
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[12:00] <eroomde> lots of mirth over lunch
[12:00] <eroomde> iain picked up a kiwi and said 'mmm, my favourite furry fruit.'
[12:01] <eroomde> and everyone else slowly dissolved into heaving tears partly because of that and partly because he had no idea why we were
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[12:24] <Laurenceb> looks like stm32f429-discovery is available to buy direct
[12:24] <Laurenceb> $41
[12:25] Action: Laurenceb is waiting for µGFX port
[12:25] <eroomde> linj
[12:25] <eroomde> link
[12:25] <fsphil> what's the difference from the f4 discovery?
[12:25] <Laurenceb> its all login stuff
[12:25] <Laurenceb> you need an ST account
[12:25] <Laurenceb> fsphil: SDRAM and TFT touchscreen
[12:25] <fsphil> ah, it has a screen
[12:26] <Laurenceb> looks like it'll run linux
[12:26] <eroomde> oh brilliant
[12:26] <eroomde> take something cool and put linux on it
[12:26] <Laurenceb> hehe
[12:26] <eroomde> now it has none of its advantages anymore
[12:26] <Laurenceb> they did worse
[12:26] <Laurenceb> they put java on it
[12:26] <Laurenceb> and latlab
[12:26] <fsphil> DIEEEE
[12:26] <Laurenceb> *mat
[12:26] <eroomde> on an f4?
[12:26] <eroomde> does the f4 even have an mmu?
[12:27] <Laurenceb> well - matlab compiled stuff
[12:27] <fsphil> random googling is showing me a board with 256 kB of RAM
[12:27] <Laurenceb> no, youd need µclinux
[12:27] <fsphil> tricky running linux on that
[12:27] <Laurenceb> thats the core
[12:27] <fsphil> SDRAM 64 Mbits
[12:27] <fsphil> ah
[12:27] <Laurenceb> but yeah someone ran linux on F4discovery in 128kB ram
[12:27] <Laurenceb> rather hard but its been done
[12:27] <fsphil> what did it do after it booted?
[12:27] <SpeedEvil> Laurenceb: swapping?
[12:28] <Laurenceb> ran some threads...
[12:28] <fsphil> sounds like my HelloWorldOS :)
[12:28] <eroomde> i can imagine you could run bits of th kernel easily enough
[12:28] <SpeedEvil> fsphil: it hasn't yet
[12:28] <Laurenceb> SpeedEvil: romfs
[12:28] <fsphil> SpeedEvil: hah
[12:28] <SpeedEvil> Laurenceb: zip?
[12:28] <SpeedEvil> xip
[12:28] <Laurenceb> yes
[12:28] <Laurenceb> they couldnt get busybox to run tho
[12:28] <Laurenceb> iirc dropbear works
[12:28] <Laurenceb> and ethernet
[12:29] <Laurenceb> so you can login but cant do anything from the shell :P
[12:29] <fsphil> I only just got an F4. Not had time to play with it yet
[12:30] <Laurenceb> http://www.youtube.com/watch?annotation_id=annotation_199605&feature=iv&src_vid=mI7VTjuPx_s&v=0ETyFmAMFjY
[12:30] <Laurenceb> ^madness
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[12:31] <Laurenceb> also lol jpop
[12:36] <Laurenceb> http://ugfx.org/
[12:44] <LeoBodnar> What happens if you recharge primary Energizer Lithiums?
[12:44] <Darkside> they will get very hot
[12:44] <Darkside> and likely vent hydrogen
[12:44] <Darkside> and not recharge
[12:45] <LeoBodnar> That's both godd isn't it?
[12:45] <Upu> lol
[12:46] <eroomde> you could have them inside the balloon
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[12:46] <eroomde> so yo catch the hydrogen and use the heat
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[12:48] <LeoBodnar> Reasonably benign http://books.google.co.uk/books?id=ZwD8uTpXet4C&pg=PA516&dq=nasa+lithium+iron+disulfide&hl=en&sa=X&ei=4IlBUvROiZGzBpiogaAP&ved=0CDQQ6AEwAA
[12:48] <LeoBodnar> If they use term "overcharge" then there is "charge"
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[12:53] Nick change: KipK_away -> KipK
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[13:11] <Tramvai> Hey guys
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[13:11] <Tramvai> What was the UK balloon selling store called? Or their website
[13:11] <fsphil> http://randomsolutions.co.uk/
[13:12] <fsphil> ah, daves's image up on there. that's still one of my favs
[13:12] <Tramvai> Cheers mate
[13:12] <eroomde> it's good. steve is good
[13:13] <eroomde> stuff is good
[13:13] <eroomde> good
[13:13] <fsphil> not bad
[13:17] <Tramvai> All the balloons there are without parachute?
[13:17] <adamgreig> you buy the parachute separately (steve also sells them)
[13:18] <adamgreig> parachutes are reusable, balloons are not, so it doesn't make sense to sell them together
[13:18] <eroomde> ^
[13:18] <fsphil> I've never re-used one :/
[13:18] <adamgreig> :P
[13:18] <Upu> your recovery to launch ratio is poor
[13:18] <adamgreig> in my three years running cusf we bought maybe two parachutes
[13:18] <eroomde> in my 5...
[13:18] <eroomde> many :)
[13:19] <adamgreig> ;)
[13:19] <adamgreig> I don't think those ones count exactly
[13:19] <Upu> mine have been up a few times only one we left was stuck in a tree
[13:19] <eroomde> that aeroconn order served us well
[13:19] <fsphil> the only chute I got back was the BBC one, and that wasn't mine
[13:19] <adamgreig> you could practically jump out of an aeroplane with the larger cusf chutes
[13:19] <eroomde> i do love this ribless orange ones
[13:19] <eroomde> those*
[13:19] <eroomde> yeah we had a 15ft chute on one
[13:19] <eroomde> that was quite big
[13:20] <fsphil> don't use on a windy day
[13:21] <adamgreig> hehe
[13:21] <eroomde> just holding onto the balloon to launch that thing on a windy day was dangerous enough
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[13:21] <eroomde> we tehtered it with a pair of 25kg masses when we were trying to keep it tethered
[13:22] <eroomde> it just pulled them along the field as if they weren't there
[13:22] <eroomde> was a bit scary
[13:22] <eroomde> ended up caribina-ing the lines to fenceposts
[13:22] <gonzo_> our chute was rescued from a recovered met sonde
[13:23] <eroomde> aerocon systems sell some lovely chutes
[13:24] <eroomde> what they have ins tock is quite variable
[13:24] <eroomde> and delivery is random with mean slow and varience a lot
[13:24] <eroomde> but, the stuff is good
[13:24] <eroomde> http://aeroconsystems.com/cart/all-parachutes/
[13:25] <eroomde> this is the chute we used as a pre-deployed backup for one of the vehicles
[13:25] <eroomde> http://aeroconsystems.com/cart/all-parachutes/15-foot-parachute/
[13:25] <Upu> I have 48" cross form chute I've never used
[13:26] <nats`> it reminds me micro rocket we did with a club
[13:27] <eroomde> yeah?
[13:27] <eroomde> crossforms are nice
[13:28] <eroomde> if the geometry is done right they're very stable
[13:28] <eroomde> it's not always done right though
[13:28] <eroomde> eg two rectangles switched together into a cross with a 3:1 aspect ratio is not that stable, even if it seems like an obvious forst thing to try
[13:29] <eroomde> but nearer 3.5:1 is better. i forget the exact number
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[13:30] <Upu> it doesn't have a balloon attachment which is why I've never used it
[13:31] <eroomde> could be useful for something that needs deploying
[13:31] <eroomde> rather than predeployed
[13:32] <adamgreig> wonder if you could improve on cross range distance by deploying the parachute late into the descent
[13:32] <adamgreig> like rockets
[13:32] <adamgreig> probably not worth the faff
[13:32] <eroomde> tried that a couple of times
[13:32] <adamgreig> fun though. edge-of-your-seat hoping it deploys ok
[13:32] <eroomde> nove 3 and 4
[13:32] <eroomde> nova*
[13:32] <eroomde> it works
[13:32] <adamgreig> yes. iirc the advice was don't try that again
[13:33] <eroomde> but yes, at a higher risk
[13:33] <eroomde> and of course SSHADT did that too
[13:33] <adamgreig> indeed
[13:33] <adamgreig> not much choice there though
[13:33] <eroomde> i mean for the splitting into two halves
[13:33] <eroomde> so it came down under 2 parachutes each with a smaller payload
[13:34] <Upu> I have a working parachute deployment tube, uses a pyro
[13:35] <Upu> but
[13:35] <Upu> uses a pyro
[13:35] <eroomde> sprung pilots are good if you don't want to use pyros
[13:35] <Upu> basically an oversized dangerous party popper
[13:35] <Upu> Yeah I tried those didn't have a suitable spring
[13:36] <eroomde> yeah, all the 'little' things like trying to find the right spring for a job can end up taking forever
[13:36] <Upu> it was a backup when I had mad ideas about launching an SLR
[13:36] <eroomde> but i wouldn't have much real objection to hot-gas chute deployment
[13:36] <Upu> figured if it was coming in too quick with the predeployed I'd fire that as well
[13:36] <eroomde> it doesn't have to be an explosive
[13:36] <eroomde> just a gas generator
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[13:37] <Upu> I'll get some balloon loops put on the cross form
[13:38] <Laurenceb> http://news.sky.com/story/1145439/waterproof-iphone-advert-owners-fooled
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[13:53] <SpeedEvil> Laurenceb: there are so many retarded things on youtube
[13:53] <SpeedEvil> 'pour this on your phone and it waterproofs it'
[13:54] <SpeedEvil> hahhhahhaahhhhahahahahahhaha
[13:54] <adamgreig> but this is just
[13:54] <adamgreig> "upgrade your OS. now your phone is waterproof."
[14:00] <gonzo_> it's not a test of the phone, it's a test of the depths of human stupidity
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[14:01] <gonzo_> "waterproof down to an IQ of 10"
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[14:03] <nats`> ohhh my god
[14:03] <nats`> there should be a tax on dumbass
[14:03] <gonzo_> there is, we call it The National Lottery
[14:03] <nats`> people are really stupid
[14:03] <nats`> :D
[14:09] <enkidu> nats`: there is already such a tax: apple device price
[14:10] <x-f> meh.
[14:15] <Laurenceb> haha gonzo
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[14:25] <Babs> Babsfact - the odds on the national lottery are that poor, that if you won a rollover jackpot and reinvested all of your winnings the next week, and so on
[14:25] <Babs> you would have no cash within 8 weeks
[14:26] <Laurenceb> its the stupid tax
[14:26] <Babs> although to be fair that is just the oft quoted compound interest calc running in reverse
[14:28] <Babs> I would love to see a ratio of lottery purchase frequency to income graphed out
[14:28] <Babs> I think there would be a positive correlation with an R2 approaching 1 if it were linked to the wearing of shell suits
[14:29] <adamgreig> so are you saying that stupid people buy lottery tickets, or poor people buy lottery tickets, or poor people are stupid and buy lottery tickets?
[14:30] <Upu> all of the above
[14:30] <adamgreig> nice
[14:30] <Upu> the number of times I hear people collecting "all of it" benefits
[14:30] <enkidu> actually I was buying lottery tickets because company supported sport teams. When they stopped, I stopped too
[14:31] <Upu> then immediately passing back £10 / £20 for scratch cards is depressing
[14:31] <Upu> (at the post office)
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[14:32] <gonzo_> people with a poor chance of ataining agood standard of living through their own endevours/character tend to wish upon a star.
[14:32] <Babs> adamgreig - despite the above, if I am in the newsagent on a Saturday morning I buy a lucky dip
[14:32] <Babs> and i have a degree in maths and can work it out
[14:33] <gonzo_> if you can afford it, then fine. The people who spend the most are the ones who can least aford it
[14:33] <Babs> gonzo_ - I agree
[14:33] <gonzo_> I win every week. By a quid
[14:33] <Babs> I think the missing correlation is hope, and real option theory
[14:33] <Babs> limited downside. unlimited upside.
[14:33] <Babs> *effectively unlimited
[14:34] <adamgreig> maybe that hope has more value to someone than the cost of the ticket
[14:34] <adamgreig> I mean, presumably so, given as they're buying the things
[14:34] <Babs> I think that is why i buy one
[14:34] <adamgreig> it wouldn't surprise me if the correlation between income and quantity of lottery tickets bought is not as strong as you'd think
[14:35] <gonzo_> hope that someting/someone will fix it all for them. Rather than fixing it yourself
[14:35] <adamgreig> not mutually exclusive
[14:36] <Babs> but then hope turns to desperation when it gets thrown into the washing machine, and because its a lucky dip I don't know the numbers so don't know whether I've won, so then scan the papers for the next six months for the headline "London lottery ticket purchaser fails to collect"
[14:37] <Babs> adamgreig - my sample size is unfortunately limited to my newsagents. I think there is a good correlation with age though. Oldies love that kind of thing.
[14:38] <gonzo_> when the lottery started, we had a ciyndicate at work. And everyone was talking about what they would do if tey won. When they asked me, because I had not joined the fantacising, I had to think. I'd no idea, just had not given it any consideration
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[14:38] <adamgreig> Babs: it does seem to be more of an oldies thing! wonder why.
[14:38] <enkidu> LeoBodnar: I am talking with battery engineer. maybe he will find something usable for us
[14:38] <gonzo_> eventually I said I'd buy some new tips for the welder so I could fix the floors of my car
[14:38] <Babs> http://journalistsresource.org/studies/economics/personal-finance/research-review-lotteries-demographics
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[14:39] <Babs> Those in the lowest fifth in terms of socioeconomic status (SES) had the highest rate of lottery gambling (61%) and the highest mean level of days gambled in the past year (26.1 days). Moreover, there were very few observed differences in lottery gambling for those in the three upper SES groups  4243% gambled on the lottery and the three upper groups averaged about 10 days of gambling on the lottery in the past year
[14:39] <DrLuke> gonzo_: launvh lots and lots of habs of course
[14:42] <adamgreig> interesting
[14:42] <adamgreig> so 60% of the lowest bracket and 40% of everyone in all the other brackets
[14:43] <adamgreig> well it doesn't say about the 4th lowest actually
[14:43] <gonzo_> DrLuke, that would probably be it! And launch a cubesat.
[14:43] <Brace> isn't the standard answer, pay off the mortgage, nice houses for immediate family and new car / swanky holiday?
[14:43] <Brace> I'd buy a ride up to the ISS, but that's just me
[14:43] <Brace> or spend the rest of my life mountaineering
[14:43] <adamgreig> oh yea! going to space would totally be the thing to do
[14:44] <Brace> because if you're going to win the lottery and just do dull stuff, then that's pretty sad
[14:44] <Brace> I probably would pay off the mortgage tho
[14:44] <adamgreig> many lottery winners end up horribly bankrupt within a year if I remember
[14:45] <gonzo_> or that you do things you want anyway
[14:45] <adamgreig> I think step one is you get a good financial advisor and step two is to lock away the bulk of the principle so you can't touch it even if you wanted to
[14:45] <adamgreig> then when everybody you know asks for a few thousand pounds you can legit say you can't
[14:45] <gonzo_> I'd just retire and do more of what I do at the mo anyway (whioch would include more habs)
[14:45] <adamgreig> but that is boring and sensible
[14:45] <adamgreig> splashing it all on a trip to space'd be way cooler
[14:45] <gonzo_> Ship a ton of nice biscuits to DM as a bribe
[14:46] <adamgreig> haha
[14:46] <adamgreig> a metric ton
[14:46] Action: SpeedEvil just has modest plans for several billion dollars.
[14:46] <gonzo_> imperial weights taste better
[14:46] <Babs> adamgreig - doesn't comment about the relative size of the brackets though I guess
[14:47] <adamgreig> true
[14:47] <gonzo_> wonder how the US and UK demographics compare?
[14:47] <Babs> if 60% is also the size of the lowest bracket in population terms then spend per head is equal
[14:47] <Babs> although by any stretch of the statistics spend / income is going to be highest in the lowest bracket
[14:48] <Babs> but then it is with bread and any staple
[14:48] <Babs> fags are way higher in lower socioeconomic groups
[14:48] <Babs> fags = cigarette sales. I am not being offensive.
[14:49] <gonzo_> hehe, if it were the US meaning, the trend may be reversed!
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[14:56] <SpeedEvil> http://www.mauve.plus.com/bread.png - is relevant
[14:57] <Brace> adamgreig: yeah, get a good accountant and just live off the interest, giving the lump sum to kids / family / friends / charitable trust on death
[14:57] <adamgreig> yea
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[14:59] <Babs> I would afford myself the luxury of buying everything from Farnell.
[14:59] <Babs> if i won the lottery twice
[14:59] <SpeedEvil> :)
[14:59] <SpeedEvil> Probably easier to do on the phone.
[15:00] <SpeedEvil> 'One of everything please'
[15:02] <gonzo_> when it all started the tech director got worried 9as lots of companies were, after the news of a co that folded after the work's cindicate won and they all left en masse). He looked at the cost of insuring against it and decided uit was cheaper to just join the cyndicate!
[15:02] <SpeedEvil> hah
[15:03] <gonzo_> soooo many typo's but you prob get the jist
[15:03] <SpeedEvil> Well - yes and no - a lottery win for a works syndicate is never going to be a replacement for a job for life
[15:04] <gonzo_> ah, typo's and bad spelling.!
[15:05] <gonzo_> if my job depended on spelling, I'd be out in the scratchcard queue
[15:18] <eroomde> i buy everything from farnell
[15:19] <eroomde> much cheaper if your time costs
[15:19] <eroomde> for smal qtys of things anyway
[15:20] <gonzo_> years ago I had a huge clearout of accumulated junk. Deciding that, for the convenience and lack of clutter, I'd just open an RS account and buy what i needed as required.
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[15:20] <gonzo_> worked well till recentkly.
[15:21] <gonzo_> they brought in their min order charge and seemed to be out fo stock of everything
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[15:25] <GMT> ping G0TDJ_Steve
[15:25] <G0TDJ_Steve> Hi GMT
[15:26] <GMT> Hi steve; remember that balloon that landed v.near you? there's a met balloon heading your way in the next hour
[15:26] <G0TDJ_Steve> Oh? Where can I track it?
[15:27] <GMT> it was launched from Reading about 1 hr ago, it's TXing on 403.0 MHz (NFM)
[15:28] <G0TDJ_Steve> Unfortunately my '857 won't go there. My handheld might though
[15:28] <GMT> well, I'm only using a scanner
[15:29] <GMT> it's currently at 25500m abover Harrow
[15:30] <gonzo_> I can see strong what looks like FM on that freq from dorset
[15:30] <G0TDJ_Steve> Got my Baofeng on the frequency but no way of converting the SMA to antenna
[15:31] <GMT> but you can hear a signal?
[15:31] <gonzo_> it's probably well outside the centre tuning of the LNA I have
[15:31] <G0TDJ_Steve> No, just occasional squelch breaks... Hang on
[15:32] <gonzo_> I can see traces on the waterfall. Can't hear as i'm niot home
[15:32] <G0TDJ_Steve> OK Got it coming up. Strange noise
[15:33] <G0TDJ_Steve> It's intermittent
[15:33] <GMT> that's a typical sig from a weather sonde
[15:33] <G0TDJ_Steve> OK
[15:34] <G0TDJ_Steve> How far is it away GMT?
[15:34] <G0TDJ_Steve> From me?
[15:34] <GMT> 'in theory', it should burst somwhere over Shepherds Bush, and as it descends it should drift eastwards
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[15:35] <G0TDJ_Steve> OK Well, if it looks like it's coming this way, let me know :-) I just have something to take care of
[15:35] <G0TDJ_Steve> Thanks
[15:36] <GMT> it's just burst
[15:37] <GMT> it got to 26600m ... not as good as HABbers!
[15:42] <Laurenceb> http://www.cqdidu.cn/images/SDRAM.JPG
[15:43] <Laurenceb> http://www.cqdidu.cn/yewu.asp
[15:45] <SpeedEvil> Sheyit.
[15:45] <enkidu> nurse...
[15:46] <gonzo_> I've heard signals from ones coming from devon, on my small dish with a microwave feed
[15:47] <gonzo_> antenna for 1500MHZ, sonde on 403MHz
[15:47] <GMT> I've only really tried sondes on 400MHz, not tried 1500MHz (no eqpt!)
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[15:48] <x-f> i listened to three meteosondes today - all at the same time on the same freq :|
[15:48] <gonzo_> the dish is for 1500, but I was still hearing sondes txing 403
[15:48] <gonzo_> so they were strong!
[15:49] <x-f> the one from Finland got to 34 km (and other one was launched by amateurs)
[15:50] <GMT> this is the 5th I've heard today; 3 from Larkhill, 1 from Cardington, 1 (this one) from Reading
[15:50] <x-f> have you tried recovering them?
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[15:52] <GMT> I've tried a few times, but never been successful; can't get the prog to run on my laptop so I can't decode sigs when I get close
[15:53] <GMT> Steve; it's turned eastwards much earlier than expected, will now land north of the Thames
[15:58] <Geoff-G8DHE> GMT which program do you use to decode ?
[15:58] <GMT> prog is called Sonde Monitor
[15:59] <Babs> GMT - is it on spacenear
[15:59] <Babs> ?
[15:59] <GMT> no, it's nothing to do with HABbing
[16:00] <Babs> ^^looks up. ahhh, got it. sorry
[16:01] <GMT> well, apart from both having balloons, payloads, transmitters, GPS, helium or hydrogen
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[16:08] <G0TDJ_Steve> Hi GUys, back
[16:08] <G0TDJ_Steve> Hows the MET Sonde doing?
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[16:09] <SpeedEvil> April fool suggestion.
[16:09] <SpeedEvil> Design and build a platform to capture raidosondes in flight, and make them describe wierd trajectories
[16:09] <G0TDJ_Steve> GMT: I can still hear it on my handie
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[16:10] <GMT> sonde is now heading across NE London, landing prediction is near M25 in Essex
[16:11] <enkidu> SpeedEvil: just use meaconing - aim at radiosonde with false GPS signal
[16:12] <G0TDJ_Steve> OK Cool
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[16:14] <Laurenceb> http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2439718/
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[16:18] <SpeedEvil> enkidu: meh
[16:18] <SpeedEvil> enkidu: actually carrying away is lots moe fun
[16:18] Nick change: G0TDJ_Steve -> G0TDJ_AFK
[16:18] <G0TDJ_AFK> Getting a headache guys BBL
[16:19] <SpeedEvil> Laurenceb: :)
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[16:26] <Geoff-G8DHE> GMT , Looks interesting have to read the help! Collected some data andgopt the GPS info os part way there!
[16:30] <GMT> Geoff, i guess your closest launch sites are Larkhill on Salisbury Plain, and Herstmonceaux
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[16:32] <Geoff-G8DHE> YUp Herstmonceaux is quite close, do they launch 12:00z or at other times as well you mentioned 5 today ?
[16:34] <GMT> well, I spent a few weekdays scanning 401.5 to 405.0 MHz (NFM at 12.5 khz steps) looking for signals
[16:35] <Geoff-G8DHE> Simple on th SDR I can monitor the whole (OK 2MHz) spectrum! Is there a schedule ?
[16:35] <GMT> then I found a list of freqs, put them into my scanner memories, and scan them every day (amongst other stuff) so the scanner stops when a sig appears
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[16:36] <GMT> in theory, schedule is every 6hrs, but rarely is!
[16:36] <Geoff-G8DHE> :) so 06:00, 12;00, 18:00 approx
[16:36] <Geoff-G8DHE> ISH applies of course
[16:36] <chrisstubbs> Does anyone have a baofeng uv-5rc?
[16:36] <GMT> usually hear a Larkhill one between 7am and 8am (BST), another between 11am and midday, sometimes a third mid afternoon
[16:37] <Willdude123> Urgh. My internet is only fast enough for irc.
[16:37] <Willdude123> That means I have to talk to people
[16:37] <Willdude123> :)
[16:37] <Geoff-G8DHE> Right OK sounds like a few days watching the band!
[16:37] <Geoff-G8DHE> Willdude123, But will anyone be listening ?
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[16:38] <chrisstubbs> Want to know if its a 3.5mm headphone jack, thinking about getting one to hook up to a old smartphone with matts habmodem
[16:38] <GMT> I've also done the SDR solution ... see 403.0 to 405.0; H'ceaux *should* be 404.8
[16:38] <Geoff-G8DHE> Ah that's good to know
[16:38] Action: mfa298 adds another mark to the chart of Willdude complaining about internet.
[16:38] <Babs> "We're gonna need a bigger chart"
[16:39] <GMT> !
[16:39] <bertrik> I'll be playing a bit tonight to get the RFM22 to work in direct mode
[16:39] <cuddykid> http://www.youtube.com/watch?v=nkHnyM3b1TA#t=44 <- launch from a few weeks ago
[16:39] <GMT> is this chart anything like "bull$&*t bingo"?
[16:39] <chrisstubbs> hah cool cuddykid :)
[16:40] <mfa298> more like grep Willdude #highaltitude/* | grep internet | wc
[16:40] <GMT> which flight was that cuddykid?
[16:40] <cuddykid> the more interesting video of launch from last friday will be up soonish when they've finished editing
[16:40] <Babs> they needed a babs anti-spin bearing. that thing made me feel sick.
[16:40] <Willdude123> wc?
[16:40] <cuddykid> GMT: HABE 9, couple of weeks back, landed in oxfordshire
[16:41] <Willdude123> Does anyone aside from Upu play BF3 here?
[16:41] <Babs> i would have given you one free for a pair of 1993 air jordans.
[16:41] <GMT> ah yes, I decoded some of that.
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[16:41] <cuddykid> haha Babs
[16:41] <arko> Babs: dont those belong in a museum at this point?
[16:41] <cuddykid> thanks for the help GMT :)
[16:41] <arko> i remember them being hot stuff back in the day
[16:41] <Babs> Arko!
[16:41] <arko> yo yo
[16:42] <arko> Mr BABS
[16:42] <chrisstubbs> baofeng UV-5RC purchased! couldnt resist for £30!
[16:42] <Babs> Retro nikes are so back - http://www.ebay.com/itm/2011-Limited-Edition-Nike-Mag-10-Back-to-the-Future-II-Marty-McFly-2015-NEW-kobe-/300672554439
[16:42] <GMT> that's okay, I wasn't the only one, there were quite a few of us I seem to remember ... mid-week launch
[16:42] <arko> haha
[16:42] <Babs> although those are technically from the future anyway
[16:42] <arko> my friend has those, you cant wear them normally!
[16:42] <arko> they fall apart
[16:42] <GMT> do you get a free hover-board?
[16:43] <arko> hah that would be great
[16:43] <Babs> hmmm. they fall apart - or he can sell them for 7500 bucks.
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[16:43] <Babs> is that the definition of a no brainer?
[16:43] <arko> eh, he's rich
[16:43] <arko> this is the guy with two deloreans
[16:43] <Babs> is he Michael J Fox?
[16:43] <arko> he was the guy running the restoration of the original car
[16:44] <arko> lol, that would be cool
[16:44] <GMT> sell 'em for 7500 ... what?, he paid 9900 for 'em!
[16:44] <Babs> i saw that on your site. cool and slightly obsessive.
[16:44] <arko> :)
[16:44] <Babs> him not you.
[16:44] <arko> these guys are crazy dude
[16:44] <arko> like cray
[16:44] <arko> i dont even get it
[16:44] Nick change: KipK -> KipK_away
[16:44] <Babs> its a shellfish or a super computer isnt it?
[16:45] <GMT> I suppose that Arko provided the flux-capacitor for the restoration
[16:45] <Babs> *levers in cray pun*
[16:45] <arko> hahaha
[16:45] <arko> GMT: yes
[16:45] <arko> no joke :P
[16:45] <arko> http://arkorobotics.com/bttf.html
[16:45] <arko> the two videos explain
[16:46] <Babs> do you say jiggawatts over there too?
[16:46] <arko> for fun yes
[16:47] <arko> but if you are my indian lab professor, you do it for real
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[16:47] <arko> i want to correct him, but i just laugh instead
[16:47] <Babs> to be fair, he is the professor
[16:48] <arko> hah, i've been pronouncing it wrong
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[16:49] <Babs> you, you do know that the flux capacitor doesn't actually work right arko?
[16:49] <chrisstubbs> "Ah ha haaa its alive!"
[16:50] <Babs> One of our PAs was Libyan. She never got it when I used to answer my mobile with "I don't know how you found me but you found me"
[16:50] <arko> Babs: um, we made it work ;)
[16:50] <arko> i went back in time
[16:50] <arko> it was boring
[16:50] <arko> no internet
[16:51] <arko> so i went to the future, but everything was in ruins
[16:51] <arko> figured the present is best
[16:51] <arko> chrisstubbs: :PP
[16:51] <chrisstubbs> Very cool project
[16:51] <arko> :) indeed
[16:51] <chrisstubbs> Next time im in america I will check it out :)
[16:52] <arko> if you are ever in los angeles, check it out at the universal studios museum
[16:52] <arko> heh
[16:52] <chrisstubbs> probably not fir many years though, Holidays are expensive!
[16:52] <arko> i still haven't gone
[16:52] <Babs> didnt it all burn down?
[16:52] <Babs> as in the BTTF lot?
[16:52] <arko> oh no
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[16:52] <arko> maybe
[16:52] <chrisstubbs> Oh its not the one in florida?
[16:52] <arko> nah, los angeles
[16:52] <arko> universal studios hollywoood
[16:52] <chrisstubbs> Okay with you now
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[16:53] <chrisstubbs> I did the whole disney shebang a few years back
[16:55] <arko> florida?
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[16:55] <chrisstubbs> yeah
[16:55] <arko> nice
[16:56] <arko> never been to florida
[16:56] <arko> heard its full of old people and nasa
[16:56] <chrisstubbs> It was quite good, hash browns over there are a little dissapointing
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[16:56] <chrisstubbs> used to our british triangular ones
[16:56] <arko> old people food doesn't have to be outstanding
[16:56] <arko> dude! i love british hash browns
[16:56] <arko> best part of the english breakfast imo
[16:57] <chrisstubbs> Ah yeah went to kennedy space center, no launches though but good to look around
[16:57] <arko> yes! good
[16:57] <chrisstubbs> ugh, typing today is not going well
[16:57] <arko> i was invited to the MSL launch but couldnt make it due to school :(
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[17:02] <Willdude123> I can't even play BF3 on this internet. :(
[17:06] Nick change: KipK_away -> KipK
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[17:31] <arko> call your ISP
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[17:31] <arko> this is how i able to make them repair the node outside my place and get me discounts
[17:31] <arko> you call and complain and one day you wake up to 40/10 for $40 a month
[17:31] <eroomde> yoyo
[17:32] <arko> sup eroomde
[17:32] <arko> how was indian food?
[17:32] <eroomde> oh lots is up
[17:32] <arko> i cant find Cobra here :(
[17:32] <eroomde> packed a lot in today
[17:32] <arko> nice
[17:33] <Willdude123> Hehe acoording to Upu's BF3 page, he's a lead farmer motherfucker.
[17:33] <eroomde> i've had lungfuls of mixed-oxides-of-nitrogen, hydrazine, and ammonia
[17:33] <arko> um what
[17:33] <Upu> Willdude123 don't care what it says on there no swearing on here
[17:33] <eroomde> + a meeting in the morning which was [bleep]
[17:34] <arko> did you not run away from the cloud after a rocket test?
[17:34] <eroomde> and we failed to get a wierd mix of things to light
[17:34] <eroomde> but that was sort of expected
[17:34] <arko> :/ hydrazine
[17:34] <arko> nasty stuff
[17:34] <eroomde> the winds were going in the wrong direction
[17:35] <eroomde> yeah it's a bit unpleasant
[17:35] <arko> did you go to the hospital?
[17:35] <eroomde> the guys in the 50s used to use it to buff up the chrome on their cars
[17:35] <eroomde> did a nice job
[17:35] <eroomde> they all died at age about 60 though
[17:35] <arko> its as nasty as asbestos
[17:36] <eroomde> heh you were on that daily planet thing with the car
[17:36] <eroomde> we were too
[17:36] <arko> wait what?!
[17:36] <eroomde> 'british rocket scientists'
[17:36] <eroomde> on skylon
[17:36] <eroomde> at westcott
[17:36] Action: arko watches
[17:36] <eroomde> tell me if you find the link
[17:36] <eroomde> it's not on their site anymore
[17:37] <Paul-M6PFX> http://www.mooc-list.com/course/solar-solar-cells-fuel-cells-and-batteries-standford-online
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[17:38] <arko> oh different episode?
[17:38] <eroomde> yes
[17:38] <eroomde> this was about 1.5 yrs ago
[17:38] <eroomde> just over
[17:38] <eroomde> dec 2011
[17:38] <arko> ahhh
[17:38] <arko> i should backup the youtube of the time machine
[17:38] <eroomde> yep
[17:39] <arko> i'll need to find your video
[17:39] <arko> heh
[17:39] <arko> daily planet covers awesome stuff
[17:39] <eroomde> see if you do
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[17:39] <eroomde> i'm not in it
[17:39] <eroomde> just andy and james
[17:39] <arko> hehe
[17:39] <eroomde> i wasn't there when they were filming
[17:39] <arko> coool yeah
[17:39] <eroomde> but it's cool, explains stuff nicely
[17:39] <arko> :)
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[17:40] <arko> cant find it
[17:40] <arko> darn
[17:40] <eroomde> 'that's so money dude'
[17:40] <eroomde> am enjoying this :)
[17:41] <arko> hahahaha
[17:41] <arko> yeah
[17:41] <arko> good times
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[17:44] <arko> ugg, i need to update my website, some of these wiki's have moved
[17:44] <arko> good thing i checked
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[17:48] <Willdude123> Upu oh sorry
[17:49] <eroomde> hopefully you're about to talk about hab and not BF3
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[17:52] <LeoBodnar> What is BF3 ?
[17:52] <LeoBodnar> 3rd boyfriend?
[17:52] <eroomde> some kind of computer game
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[17:52] <arko> Bakery Foundation 3
[17:52] <arko> its a game where you need to bake bread
[17:53] <arko> MMO
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[17:53] <arko> so you can bake with your friends
[17:53] <eroomde> you knead a fast internet connection to play it
[17:53] <LeoBodnar> Maybe it is some very very big 3
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[17:53] <arko> the streets of san fran aren't safe for an artisan bread maker
[17:53] <arko> eroomde: looooool
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[17:57] <arko> man people need to get bouncers
[17:58] <arko> its like 5 minutes setup time with znc
[17:58] <mfa298> or a linux vps with a console irc client and screen/tmux
[17:59] <arko> srs
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[18:00] <eroomde> i used to be perma-on
[18:00] <eroomde> but just displiked in psychologically
[18:00] <arko> heh
[18:01] <eroomde> that said i have forgotten to turn off xchat quite often
[18:01] <eroomde> so i might aswell be
[18:01] <arko> if you have an unstable connection in our hackerspace irc channel you get kicked
[18:01] <arko> or klined
[18:02] <eroomde> right, home time
[18:02] <eroomde> via me sains
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[18:28] <SP3OSJ> Good evening Europe How are you?
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[18:31] <SP3OSJ> 2 flights (SP3OSJ) position lost because bad battery. I changed the program. Here is my work I call it "Ping-Pong RTTY" (PPRTTY) http://www.youtube.com/watch?v=GTZFIKm96Ao&feature=youtu.be
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[18:33] <x-f> good evening, Artur
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[18:33] <chrisstubbs> Hah thats cool :)
[18:33] <chrisstubbs> Is it regular enough to keep fldigi locked on?
[18:34] <SP3OSJ> YES AFC good job
[18:35] <SP3OSJ> Chris: Send you the program?
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[18:39] <fsphil> the slow beeps wouldn't allow fldigi's AFC to track it
[18:39] <fsphil> great sound though!
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[18:39] <Lunar_Lander> hello
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[18:40] <SP3OSJ> AFC holds! I did try to AFC worked well and we made it work
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[18:42] <SP3OSJ> In the morning on Saturday, my balloon flight check operation AFC practice
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[19:07] <Laurenceb__> LeoBodnar: how is the battery testing going?
[19:09] <LeoBodnar> Tested 4 control samples at 1C charge discharge. Now charging the first one to go in the freezer at 0.2C discharge rate.
[19:09] <LeoBodnar> Freezer turned out to be -22C
[19:11] <Upu> are we calling B-13 MIA ?
[19:13] <Laurenceb__> exciting stuff
[19:13] Action: Laurenceb__ has been having a fun day
[19:14] <Laurenceb__> my funky pneumatic connector doesnt fit, as someone changed the enclosure design without telling me
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[19:15] <Laurenceb__> and everything has now been sent for CNC milling
[19:15] <LeoBodnar> Looks like MIA
[19:17] <Upu> I keep checking
[19:17] <Upu> where should it be at the moment ?
[19:17] <Upu> assuming still up ?
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[19:20] <Upu> I have a feeling quite a few people are still listening out for it
[19:20] <SpeedEvil> LeoBodnar: if you want your freezer colder, usually pressing the boost button for a day will significantly cool it
[19:21] <Upu> Spanish and Greek stations active in the last 6 hours
[19:21] <Mik-WD8MNV> maybe get some fry ice and freeze it / cool it?
[19:22] <Mik-WD8MNV> dry ice*
[19:23] <Lunar_Lander> evening Upu
[19:24] Nick change: KipK -> KipK_away
[19:24] <SP3OSJ> LeoBodnar: how is the battery testing going?
[19:24] <LeoBodnar> Over Poland/ Bulgaria/Ukraine
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[19:25] <LeoBodnar> -22C is representative enough
[19:25] <LeoBodnar> LiFePO4 had failed miserably
[19:25] <SP3OSJ> Poland is inaudible B-13
[19:26] <Upu> ok
[19:26] <Upu> mind if I clear it from the map ?
[19:26] <SP3OSJ> -22C ??? checking how (google)
[19:27] <SpeedEvil> altitude
[19:27] <SpeedEvil> it gets cold up there
[19:28] <LeoBodnar> yes go ahead Upu
[19:28] <Upu> cheers
[19:30] <enkidu> actually its -40 ovel Leba
[19:30] <SP3OSJ> Leo: Battery 22C Weight: About 41g. is very much
[19:30] <enkidu> 8500metres
[19:31] <Mik-WD8MNV> insolating the battery not effectve?
[19:32] <LeoBodnar> inconclusive Mik-WD8MNV
[19:33] <enkidu> thermal insulation relies on heat production
[19:33] <enkidu> and heat capacity
[19:34] <Mik-WD8MNV> maybe some kind of chemical warmer like hunters use?
[19:34] <Lunar_Lander> Upu, how's life?
[19:34] <enkidu> 8 hours/12 hours
[19:35] <Upu> good Lunar thanks
[19:35] <Upu> I changed message LeoBodnar http://spacenear.us/tracker/
[19:36] <Lunar_Lander> nice to hear that :)
[19:36] <Lunar_Lander> hope recovery goes well
[19:36] eroomde (~ed@cpc3-oxfd20-2-0-cust553.4-3.cable.virginmedia.com) joined #highaltitude.
[19:36] <Laurenceb__> heat capacity/thermal warmer things are doomed to failure
[19:36] <Upu> its doing ok thx :)
[19:37] <Willdude123> Need to recompile vlc.. :( The lengths I go to to get torrents at school :)
[19:37] <enkidu> I am afraid, that battery charged at deep frozen state turned into short circuit
[19:37] <Laurenceb__> not enough energy
[19:38] <LeoBodnar> Thanks Upu !
[19:38] <Upu> Not writing them off just yet :)
[19:38] <Upu> would be amazing if B-11 resurfaced somewhere like the US
[19:39] <LeoBodnar> They might surprise us all. Funny creatures
[19:39] <Laurenceb__> id believe that if it was hydrogen filled
[19:39] <Upu> yeah
[19:39] <LeoBodnar> Can you get H in small canisters/cylinders?
[19:39] <Upu> B cylinders
[19:39] <Laurenceb__> you can make it ...
[19:40] <LeoBodnar> Thanks, I have done this and survived
[19:40] <Laurenceb__> hehe
[19:40] <enkidu> ive posted hydrogen generator scheme
[19:40] <Mik-WD8MNV> doesn't the balloon envelope get flexed with the day night cycle?
[19:40] <LeoBodnar> HCl + Zn
[19:40] <Upu> http://www.boconline.co.uk/en/sheq/gas-safety/cylinder-weights-sizes/cylinder-weights-size/cylinder-weights-size.html
[19:40] <Upu> B cylinder
[19:40] <Upu> still weighs 16kg :)
[19:40] <enkidu> LeoBodnar: electricity
[19:40] <Upu> and you'll need a regulator
[19:40] <LeoBodnar> In a mate's flat when we were Willdude123's age
[19:41] <Upu> but they are £20
[19:41] <Upu> and will fill your party balloons for years
[19:41] <Willdude123> Huh?
[19:42] <LeoBodnar> Yes it does Mik-WD8MNV
[19:43] <Willdude123> LeoBodnar, What do you mean?
[19:44] <Mik-WD8MNV> so what is needed is some kind of fuel cell that works at low temps?
[19:44] <LeoBodnar> As simple as that
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[19:44] <enkidu> actualy nicd were used in unheated satellites
[19:44] <LeoBodnar> I am afraid we will end up with oil yet again
[19:45] <LeoBodnar> I think used still
[19:45] <eroomde> next year we're gonna have about 100m^3 of H2 a week that will have to be sent back unused unless we can find a use for it
[19:45] <Willdude123> What did you do in a mate's flat?
[19:46] <eroomde> could have some kind of hab free-for-all
[19:46] <Willdude123> eroomde, blowing up neighbours is a good idea.
[19:46] <LeoBodnar> HCl+Zning Willdude123
[19:46] <daveake> Slightly more than I could use
[19:46] <eroomde> no it isn;t Willdude123
[19:47] <Willdude123> 'twas a joke... :(
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[19:47] <Willdude123> And why are you going to have that much h2?
[19:48] <eroomde> leftovers from firings.
[19:48] <eroomde> can only use the pallets of bottles down to a certain pressure
[19:48] <eroomde> to get the mass flow desired
[19:49] <Willdude123> Can I have some? I'd like to do some tests that involve fire, and latex balloons.
[19:49] <LeoBodnar> Unfortunately the process was very exothermic and violent. So we just let it blow up on its own.
[19:49] <LeoBodnar> And yes, we had a balloon attached (I think it was a hazmat glove)
[19:51] <eroomde> Willdude123, no
[19:51] <Willdude123> I was kidding, again
[19:51] <eroomde> i don't think selling flammable gases to thirteen year-olds is something the the law would look kindly on
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[19:52] <Willdude123> *useless failing pyromaniac thirteen year- olds
[19:53] <LeoBodnar> Doing it online is the latest craze Willdude123
[19:53] <Willdude123> :)
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[19:54] <Willdude123> ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
[19:54] <Willdude123> oops
[19:54] <fsphil> stop being so negative
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[19:55] <Upu> probably best
[19:55] <Lunar_Lander> xD
[19:55] <LeoBodnar> He's dashed out
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[19:55] <Willdude123> fsphil, I'm being realistic, not negative
[19:55] <Lunar_Lander> Upu, can I make a part suggestion for your store?
[19:55] <Upu> sure
[19:55] <fsphil> Willdude123: I was kidding
[19:56] <Willdude123> Were you ?
[19:56] <Willdude123> Or are you mocking the fact that I was kidding about the hydrogen?
[19:56] <Lunar_Lander> what about selling BMP085? you can only get them from Digikey I think, no european supplier
[19:56] <Lunar_Lander> and I mean the sensor die itself
[19:56] <Upu> Willdude123 drop it please and stay on topic
[19:56] <Upu> BMP085 is end of life
[19:57] <Upu> though interesting suggestion as yes you're correct the replacement isn't easy to get
[19:57] <Upu> BMP180
[19:57] <fsphil> are there not better sensors anyway?
[19:57] <fsphil> onces that work over the range of pressures we fly in?
[19:57] <fsphil> ones*
[19:58] <Upu> I'm open to suggestions
[19:58] <Upu> cheap ones
[19:58] <Upu> I2C
[19:58] <fsphil> ah
[19:58] <Willdude123> Drop what? And OK, will try to stay on topic
[19:58] <LeoBodnar> I have found that Farnell sells some good stuff after ordering BMP085 from DK in a rush
[19:58] <fsphil> farnell have most things
[19:58] <fsphil> annoyingly cpc don't carry all of it
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[20:00] <eroomde> i love farnell
[20:01] <LeoBodnar> But does it love you?
[20:01] <eroomde> common british bird names make excellent project codenames
[20:01] <eroomde> eg
[20:01] <eroomde> stonechat
[20:01] <eroomde> firecrest
[20:01] <eroomde> bluethroat
[20:01] <fsphil> swift
[20:02] <LeoBodnar> blue tit
[20:02] <eroomde> redstart
[20:02] <fsphil> robin
[20:02] <eroomde> but but the two-syllable ones have a nice kinda langley ring to them
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[20:02] <eroomde> all of them could be training programmes that produce jason bourne
[20:02] <daveake> red kite
[20:02] <daveake> yes that works
[20:02] <LeoBodnar> reliantrobin
[20:03] <fsphil> project kingfisher -- that produced Rick Stein, obsesses with his mission to eat fish
[20:03] <eroomde> yellowhammer
[20:03] <eroomde> heh, goldeneye is actually a bird
[20:03] <eroomde> didn't know that
[20:04] <fsphil> Bond was named after a bird watcher
[20:04] <eroomde> jackdaw
[20:04] <fsphil> who looks nothing like a secret agent
[20:05] <fsphil> http://en.wikipedia.org/wiki/James_Bond_%28ornithologist%29
[20:05] <fsphil> more like the bad guy
[20:05] <fsphil> wonder if anyone ever said, when releasing a bird. "No Mr.Bond, I expect him to fly."
[20:05] <fsphil> probably not
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[20:06] <fsphil> how did this end up about birds?
[20:06] <eroomde> it didn't
[20:06] <eroomde> it's about project codenames
[20:06] <eroomde> nightjar
[20:07] <fsphil> where I keep my cookies
[20:07] <eroomde> shearwater
[20:07] <eroomde> petrel
[20:07] <LeoBodnar> I wish I had that many projects...
[20:07] <daveake> I wish I had that many cookies
[20:08] <chrisstubbs> petril
[20:08] <eroomde> turnstone
[20:08] <fsphil> really well named those birds
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[20:09] <fsphil> wagtail -- not so good
[20:10] <eroomde> waxwing
[20:10] <eroomde> well anyway, this was fun
[20:10] <fsphil> hah
[20:10] <fsphil> that's the next 20 projects named
[20:11] <LeoBodnar> now there will be massive confusion as everybody's projects have same names
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[20:12] <fsphil> I think I'll stick with my system of random project names
[20:13] <eroomde> shotgun all of them
[20:13] <eroomde> and shipping regions
[20:14] <Willdude123> Can't they just pick random words and call it a project name?
[20:14] <chrisstubbs> fsphil, is that "fs<projectname>"
[20:14] <Willdude123> I don't get why they aren't more specific.
[20:14] <eroomde> they?
[20:15] <Willdude123> Project names
[20:15] <Willdude123> Like Operation FindAndCaptureAndOrKillOsamaBinLaden
[20:15] <fsphil> marketing
[20:15] <eroomde> that's just stupid
[20:15] <LeoBodnar> I thought you are talking about those who have you on their ignore list
[20:16] <LeoBodnar> "Find" is redundant in this project name
[20:16] <fsphil> chrisstubbs: I should start doing that again. fshab
[20:16] <chrisstubbs> It works pretty well
[20:16] <fsphil> though firestormhab probably not the best name for an H2 balloon
[20:16] <chrisstubbs> haha
[20:16] <chrisstubbs> actually its a pretty epic name
[20:17] Action: chrisstubbs comes up with perfect name for next balloon
[20:17] <eroomde> firestorm is pretty perfect for storm sou nding
[20:17] <Willdude123> LeoBodnar, why? Nobody mentioned it.
[20:17] <fsphil> Project UseABalloonToCarryAPayloadVeryHighAndTakeSomePicturesBeforeReturningByParachute?
[20:18] <chrisstubbs> WithSSDV
[20:18] <fsphil> I'm suppose be flying something in two weeks, I'd better name it
[20:18] <LeoBodnar> Think about it, you can't capture or kill somebody without finding them first. And there is no OR between Find and Capture/Kill
[20:19] <fsphil> or maybe more important that I build it
[20:19] <fsphil> nah, name first
[20:19] <Laurenceb__> ArduHAB
[20:19] <eroomde> name first def
[20:19] <eroomde> then spend a while picking connectors
[20:19] <eroomde> then give up
[20:19] <Willdude123> I needn't be reminded how many peoples ignore lists I'm on. I get enough reminders about how much of a dick I am at school.
[20:19] <eroomde> not on this channel
[20:20] <charolastra> project alienfinder, after the papers where full of "life found in space" while it was just at 24km hight
[20:20] <eroomde> project ItsAlmostCertainlyTerrestrial
[20:20] <eroomde> admitedly less of a ring
[20:20] <fsphil> sheesh, is there anything the internet doesn't do
[20:20] <fsphil> http://online-generator.com/name-generator/project-name-generator.php
[20:20] <daveake> That's project HaventaClue
[20:20] <chrisstubbs> eroomde, rearrange slightly and you get iCAT
[20:21] <LeoBodnar> Then cannibalise unfinished project's parts for next project
[20:21] <charolastra> LeoBodnar: and sure you can, just indescriminatly drone everything that moves
[20:21] <daveake> fsphil Uncanny ... Sleepy Freaky Helium
[20:21] <fsphil> lol
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[20:21] <fsphil> weird that, it give me: Icy Scattered Helium
[20:22] <LeoBodnar> CaptureOsamaWithoutFindingHim
[20:22] <eroomde> this name generator is amazing
[20:22] <eroomde> silly drill
[20:22] <eroomde> sleepy fist
[20:22] <eroomde> rebel flag
[20:22] <eroomde> brave steel
[20:22] <chrisstubbs> sleepy fist probably isnt a keeper
[20:22] <fsphil> I got: Essential Fist
[20:22] <x-f> rainbow bulldozer
[20:22] <eroomde> lol yes, just realised that chris_99
[20:22] <eroomde> chrisstubbs,
[20:23] <fsphil> Sunday's Temporary Flea
[20:23] <eroomde> so today at lunch (i said this early to total silence) iain was munching a kiwi
[20:23] <x-f> endless compass
[20:23] <eroomde> and just said, without the slightest shred of self awareness, 'mmmmmmmm, my favourite furry fruit'
[20:23] <daveake> When does the kiwi go back home?
[20:23] <chrisstubbs> its all fun and games until the police find your HAB becuase some royal mail reading fool thought it was a bomb, and find its called "sleepy fist"
[20:23] <chrisstubbs> *daily mail, perhaps I need some sleep
[20:23] <eroomde> the rest of us collapsed and it was made all the funnier by him not understanding why
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[20:24] <OZ1SKY_Brian> Nothing heard on 434.500
[20:25] <x-f> here neither, been listening all day
[20:25] <LeoBodnar> The Fist is asleep..
[20:25] <x-f> goodnight, shiny electrons
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[20:25] <fsphil> hmm.. "Itchy Flannel"
[20:26] <LeoBodnar> Sleep well x-f
[20:26] <LeoBodnar> potential well
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[20:27] <LeoBodnar> Had Swedish globaltuners receiver on today
[20:29] <eroomde> well i found it funny anyway
[20:30] <enkidu> silence here
[20:32] <Lunar_Lander> Upu, sorry I got distracted when Flash crashed
[20:32] <Lunar_Lander> earlier I looked at some of the Freescale pressure sensors
[20:32] <Lunar_Lander> but they are not that good I think, analogue, and need at least 4.5V
[20:34] <Lunar_Lander> not that good for a 3.3V system
[20:34] <Lunar_Lander> but I saw the BMP180 as well, and you say they are I2C as well?
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[20:35] <Rebounder> LeoBodnar: the one in south of sweden?
[20:35] <bertrik> ok, I have direct mode working on the RFM22 :)
[20:35] <Willdude123> Interwebs are down again. Well, slow enough it may as well be completely down.
[20:36] <OZ1SKY_Brian> Can B-13 preform during the night anyway?
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[20:45] <fsphil> suspect not OZ1SKY_Brian
[20:45] <fsphil> from the sounds of it the battery is not in great condition
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[20:49] <OZ1SKY_Brian> oh ok, ill check in the morning before work then
[20:50] <OZ1SKY_Brian> was wondering about the solar panels, any reason the are not tilted 45deg?
[20:50] <OZ1SKY_Brian> i mean for better angle to the sun
[20:50] <fsphil> you can't tell which direction they'd be pointing
[20:51] <OZ1SKY_Brian> thats right, bu if they have low angle, most of the time they would have a better angle than flat. Thats my gess
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[20:52] <OZ1SKY_Brian> But then again, i dont know how they preform
[20:52] <OZ1SKY_Brian> angle wise
[20:52] <fsphil> they seemed to generate enough to last the night, though that was over france
[20:53] <fsphil> this one is a good bit further north
[20:54] <OZ1SKY_Brian> As the sun will never be at a 90deg angle in Europe, 45deg or lower should be better, thats my gess
[20:55] <eroomde> mo tim
[20:55] <eroomde> http://hackaday.com/2013/09/24/priceless-paintings-scanned-and-printed-in-3d/
[20:57] <LeoBodnar> open link , wait, "It's running Ardu...", close window
[20:58] <enkidu> arduphoby
[20:58] <arko> LeoBodnar: hahaha
[20:58] <arko> that about half the links in hackaday
[20:59] <eroomde> reading hacker blogs for people who predate compilers is arduous
[20:59] <enkidu> bare PIC and atmega are so rarely used these days
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[21:03] <Lunar_Lander> oh no
[21:03] <Lunar_Lander> BMP180 has a different pinout
[21:04] Action: enkidu was googling and had "bmp180 arduino shield" in suggestions
[21:05] <eroomde> chilli fingers
[21:05] <eroomde> aaaargh
[21:05] <Lunar_Lander> ohhh
[21:06] <eroomde> i really washed them with fairly liquid thoroughly
[21:07] <enkidu> :)
[21:07] <enkidu> vegetable oil -> soap
[21:07] <OZ1SKY_Brian> gn
[21:07] Action: enkidu was dared to drink a bottle of tabasco sauce
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[21:09] <enkidu> at first it was "I am a drago" but next day "I feel like a rocket"
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[21:10] <enkidu> no beeps ;/
[21:10] <eroomde> mmm, the old jonny cash
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[21:13] <LeoBodnar> haha enkidu
[21:14] <enkidu> Ive found noise cause in my audio mixer - flux was not washed properly
[21:14] <bertrik> seems like specifying 625 frequency deviation gives me 1250 Hz of separation between tones in RFM22 direct mode
[21:15] <bertrik> the max in dl-fldigi is 1000 Hz :(
[21:15] <enkidu> are you deviating from carrier freq?
[21:16] <bertrik> I specify 434.650 nominal frequency and 625 deviation
[21:16] <bertrik> seems like the deviation is both positive and negative, giving 1250 Hz total
[21:17] <enkidu> that is the case
[21:17] <enkidu> 625 deviation from carrier gives you 1250 bw
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[21:17] <LeoBodnar> Meditating on the fact that mAh is basically electric charge pushed through the battery.
[21:18] <LeoBodnar> Ot capacitor
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[21:18] <enkidu> it is
[21:18] <enkidu> m = k I t
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[21:18] Nick change: Gadget-Mac_ -> Gadget-Mac
[21:18] <LeoBodnar> i =Q/t
[21:19] <enkidu> yeah
[21:19] <bertrik> enkidu: I hoped a 0 would be Fnominal and a 1 would be Fnominal+Fdeviation
[21:19] <enkidu> seems, that fldigi is using bandwidth as tone separation, not deviation
[21:19] <LeoBodnar> so if chemistry is good and reversible we get back exactly the same mAh as we put in
[21:20] <enkidu> but it is not
[21:20] <LeoBodnar> it is darn close
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[21:20] <enkidu> electrolytes will forward some parasite current
[21:20] <LeoBodnar> But we get less energy because potential difference is lower than during charge
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[21:21] <enkidu> for nicd/nimh you lose 10% on H30+ transfer
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[21:21] <bertrik> hah, I think I'm onto something really cool :D, fiddling with the gaussian shaping curve, I can halve the deviation
[21:21] <LeoBodnar> Why do you need to halve the deviation?
[21:22] <eroomde> because the bandwidth is so limited
[21:22] <bertrik> to be able to use direct mode on the RFM22
[21:22] <eroomde> oh wait
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[21:23] <LeoBodnar> 400Hz should be OK.
[21:23] <WillTablet> Hi
[21:23] <LeoBodnar> Or are you aiming for MSK?
[21:23] <WillTablet> PCBs have been dispatched
[21:23] <bertrik> LeoBodnar: yes, but trying the simple things first
[21:23] <WillTablet> Upu when can you start taking orders?
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[21:23] <WillTablet> Ooh I just had an idea.
[21:24] <LeoBodnar> It's been already patented
[21:24] <WillTablet> I wonder if I could set something up to measure the speed of my dad's air rifle.
[21:24] <bertrik> LeoBodnar: what has?
[21:24] <WillTablet> Might be very difficult though
[21:25] <enkidu> WillTablet: use IR curtains
[21:25] <eroomde> i think that's a cool idea willdude
[21:25] <eroomde> will*
[21:26] <eroomde> maybe a microphone attached to a metal sheet downrange
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[21:26] <eroomde> time the gap between the first bang and the second twang, adjust for speed of sound
[21:26] <enkidu> actually it can be done using another approach
[21:27] <eroomde> bbl
[21:27] <enkidu> p = m v
[21:28] <LeoBodnar> http://www.google.co.in/patents/US5349853?pg=PA11&dq=speed+measurement+of+rifle+microphones&hl=en&sa=X&ei=nQNCUvCwBZDYsgbN3YH4BA&ved=0CHEQ6AEwBw
[21:28] <WillTablet> I could have a pressure sensor on the target maybe.
[21:29] <WillTablet> This looks like a job for my arduino.
[21:29] <fsphil> like a microphone? :)
[21:30] <LeoBodnar> "The apparatus comprises ... (c) an acoustic target located downrange and including (i) sensors arrayed at corners of a triangle for sensing acoustic energy emitted by a passing bullet "
[21:30] <fsphil> not sure how you'd measure when it fires
[21:30] <LeoBodnar> next!
[21:30] <WillTablet> Hmm
[21:31] <WillTablet> eroomde actually my dad probably won't let me
[21:31] <WillTablet> He'll let me shoot pigeons with it thoufh
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[21:32] <WillTablet> Odd how my shooting accuracy irl is better than it is in bf3
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[21:33] <LeoBodnar> I laughed at my son when he said he is going to measure the speed of the spring loaded gun he made. In 5 minutes he took a videocamera, shot a shooting action, loaded it into iMovie, counted frames and produced result with +-10% accuracy.
[21:34] <LeoBodnar> I had to eat a humble pie.
[21:34] <LeoBodnar> I think he was 11 or 12 at the time.
[21:35] <enkidu> this is actually nice way
[21:35] <enkidu> higher framerate - better accuracy
[21:36] <WillTablet> LeoBodnar you have a smart kid
[21:36] <LeoBodnar> It was 10 times easier than what I have been already thinking (photointerrupters -> sound card input)
[21:36] <LeoBodnar> just an average kid
[21:37] <enkidu> I was using photodetectors to measure g precisely
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[21:37] <LeoBodnar> WIth a pendulum?
[21:39] <enkidu> no
[21:39] <enkidu> steel ball in vacuum chamber
[21:41] <WillTablet> The camera method would require a high fps camera- could use software like tracker
[21:42] <LeoBodnar> Can you record trajectory and calculate initial speed from aerodynamics or artillery tables?
[21:43] <LeoBodnar> I think they used ENIAC to calculate the firing tables
[21:43] <WillTablet> Hmm
[21:44] <LeoBodnar> Never mind the patents, I was taking the piss
[21:45] <WillTablet> I can never cock the gun properly. Can't get enough leverage half the time. I could also have a very thin wire across the barrel.
[21:45] <WillTablet> Actually that's a bad idea.
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[21:45] <WillTablet> Since it might not hit the wire, and break the circuit
[21:47] <WillTablet> Or maybe use some kind of resistive foil.
[21:47] <WillTablet> When it breaks, would the resistamce increase?
[21:47] <mikestir> anyone have anecdotal evidence on what the output voltage of energizers falls by at typical HAB temperatures? is it likely to be a problem?
[21:48] <Geoff-G8DHE> Use two narrow strips of alu. foil a metre apart and time it with a counter.
[21:48] <mikestir> holy s**t that max6 just got a fix in the freezer from cold (no pun intended)
[21:49] <K9JKM> ... or a furlong apart ... normalizes it to furlongs per fortnight ...
[21:49] <fsphil> unlikely mikestir. I don't know the values but it shouldn't matter unless you're running it very tight to your payloads minimum
[21:49] <WillTablet> mikestir language, even if its obfuscated
[21:49] <enkidu> Geoff-G8DHE: it will slow down the projectile
[21:49] <mikestir> fsphil: I thought the 3v3 max6s worked down to 1.8V but apparently they don't
[21:49] <Geoff-G8DHE> By how much then ... ?
[21:50] <enkidu> opto barrier will not
[21:50] <mikestir> so I'm a bit worried about whether I may hit 2.4V
[21:50] <enkidu> depends on thickness
[21:50] <fsphil> for how many cells mikestir?
[21:50] <mikestir> well hopefully 2 cells, unregulated
[21:50] <WillTablet> Is foils resistance inversely proportional to it's area?
[21:51] <mikestir> but I have some switching regs I can throw in an go up to 4 cells if necessary
[21:51] <mikestir> but I'd rather not
[21:51] <mfa298> furlongs per fortnight, such a good unit of measurement (local pub quiz master likes asking for the speed of light in furlongs per fortnight - or at least used to last time I went)
[21:51] <mikestir> meh datasheet says 2.5V min. that will teach me to actually read it
[21:52] Nick change: heathkid|2 -> heathkid
[21:53] <WillTablet> Why is it good?
[21:54] <fsphil> 1.25 min per cell -- energizer only give their votlage curves for 21 degrees c
[21:54] <fsphil> but at that temp and a low current, it would be fine
[21:55] <fsphil> by the time it got to 1.25v it's basically empty
[21:55] <mikestir> hmmm. the software can recover if the GPS goes awol, so maybe it would be ok
[21:57] <mikestir> I tried out mattbrejza's android decoder. works really well
[21:57] <mattbrejza> :D
[21:58] <mikestir> mattbrejza: have you noticed any weirdness when enabling the audio pass-thru mode? it seems to work briefly, but then steps the volume down to nothing and re-enables the internal mic
[21:59] <mattbrejza> hmm not had that one
[21:59] <mattbrejza> ive had it not correctly switching between mic and line in correctly
[21:59] <mattbrejza> audio routing isnt the best on android
[21:59] <mikestir> I take it that it expects mic levels on the external input?
[22:00] <mikestir> the lead I made puts 1K5 from mic to ground and then provides 20dB attenuation as well
[22:00] <mikestir> seems to work ok
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[22:02] <mattbrejza> yea i put in an attenuator on my cable, if nothing else to potect the devide
[22:02] <mattbrejza> device
[22:02] <mikestir> I AC coupled as well via 2u2
[22:02] <mattbrejza> also you need a certain impedance for the tablet to correctly detect a mic (sometimes)
[22:02] <mattbrejza> so the potential divider provides that
[22:03] <mattbrejza> i didnt bother with the ac coupling
[22:03] <mikestir> yeah, the cap is on the radio side
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[22:04] <LeoBodnar> http://data.energizer.com/PDFs/lithiuml91l92_appman.pdf page 4
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[22:05] <mikestir> thanks LeoBodnar I knew I'd seen that graph somewhere
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[22:06] <Maxell> Look: clouds! (thanks Obama!) http://i.sigio.nl/f78abe67d27507a8ed9b47ebbcfc9648.png
[22:07] <mikestir> RFM22 seems quite stable once it gets below freezing :)
[22:07] <mikestir> drifts all over the place between 0 and room temp though!
[22:07] <fsphil> has an annoying habit of stopping when it gets very cold
[22:08] <mikestir> software polls for the ID byte and current operating mode so fingers crossed it will recover if that happens
[22:10] <fsphil> nice one Maxell
[22:10] <fsphil> I'm below the annoyingly big cloud
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[22:36] <WillTablet> I've decided I needed a religion change. So I'm now Unitarian Universalist.
[22:36] <WillTablet> Pretty much the opposite of Catholicism.
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[22:41] <WillTablet> But then again, I did have a brief Jedi period at one point
[22:43] <adamgreig> sounds like you really reached deep inside of yourself and worked out what you stand for and what you believe and so forth
[22:43] <arko> lol
[22:45] <Maxell> fsphil: I'm too :(
[22:45] <LeoBodnar> WillTablet: you have considered the Church of the Flying Spaghetti Monster haven't you?
[22:45] <WillTablet> Yes of course
[22:45] <WillTablet> Don't be silly
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[22:46] <LeoBodnar> What could be more serious than that?! http://www.kcbd.com/story/23248235/texas-tech-student-allowed-to-wear-pasta-strainer-in-official-dps-photo
[22:47] <arko> amazing
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[22:51] <WillTablet> So yeah. I could be both unitarian universalist and support the COFSM
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[22:54] <enkidu> someone here thinks that FSM church is not serious deal?
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[22:59] <WillTablet> There's a guy in my tutor who was allowed to read a Jewish prayer for the prayer.
[22:59] <Maxell> LeoBodnar: that day is a good day
[22:59] Action: Maxell -snif-
[22:59] <WillTablet> It would be religious discrimination if they don't let me do a pastafarian prayer
[23:00] <SpeedEvil> One word.
[23:00] <SpeedEvil> Skyclad.
[23:00] <RAMM25> hello
[23:00] <WillTablet> I'm thinking of doing
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[23:01] <WillTablet> "We praise God for all the foreign foods such as curry and noodles that we can eat from day to day. We pray for those without food. Ramen
[23:03] <adamgreig> has anyone done something fun in latin?
[23:03] <adamgreig> we just had to do the exact same school prayer each morning which was less fun
[23:04] <adamgreig> but at uni, latin graces, way better
[23:04] <adamgreig> still my my college grace memorised. just in case.
[23:11] <WillTablet> Catholicism is messed up
[23:12] <WillTablet> Sometimes I think my parents sent me to a Catholic school to stop me from becoming Catholic
[23:13] <arko> england has religon?
[23:13] <enkidu> yeah, islam
[23:14] <adamgreig> lol
[23:14] <SpeedEvil> arko: We have religeous schools.
[23:14] <adamgreig> england has the church of england, arko
[23:14] <arko> weird
[23:14] <adamgreig> the official state religion
[23:14] <arko> blah
[23:14] <arko> thats terrible
[23:14] <adamgreig> yea but
[23:14] <adamgreig> you can't talk
[23:14] <arko> but then again we have like
[23:14] <arko> everything
[23:14] <SpeedEvil> arko: Where parents pretend to be of that religion in order to get their kids into that school
[23:14] <adamgreig> the USA has way worse "separation" of state and religion
[23:14] <arko> it sucks being here
[23:14] <adamgreig> even though yours is meant to be officially separate
[23:14] <arko> SpeedEvil: lol
[23:14] <arko> eh
[23:14] <adamgreig> all your lawmakers are die hard christians
[23:14] <arko> adamgreig: dont make me cry
[23:14] <arko> it hurts
[23:15] <adamgreig> whereas over here they are mostly separate in practice, even if the church and state are tied
[23:15] <arko> its terrible
[23:15] <adamgreig> also at least it's out in the open
[23:15] <adamgreig> and CoE isn't too awful
[23:15] <arko> its just another excuse to drink wine
[23:15] <arko> which im all for
[23:16] <adamgreig> lol
[23:16] <adamgreig> the bread is somewhat insubstantial
[23:16] <arko> :/
[23:16] <arko> lets make our own religion
[23:16] <arko> just about artisan bread
[23:16] <arko> nothing else
[23:16] <arko> and good wine
[23:16] <arko> that too
[23:17] <WillTablet> CoE is still pretty bad
[23:17] <arko> cant be as bad as scientology
[23:18] <WillTablet> Yeah it can be
[23:18] <adamgreig> lol
[23:18] <arko> oh thats a fun thing to do if you are ever on Sunset Blvd in los angeles
[23:19] <arko> trolling scientologists then having them follow you home
[23:19] <arko> #1 hobby
[23:19] <WillTablet> In the Catholic Church, if you have a position of good standing and even so much as hint to having a different opinion to the Pope, you get excommunicated
[23:19] <arko> i want bread now :(
[23:20] <WillTablet> As for CoE. Well where do I start? People jumping up and down as if they're on DMT, telling us to fight against gay marriage.
[23:20] <SpeedEvil> arko: sour dough
[23:20] <arko> yes
[23:20] <WillTablet> My local church is horrible. I dislike the whole church
[23:20] <WillTablet> Pretty much
[23:21] <arko> i like chicken and waffles
[23:21] <arko> mostly
[23:21] <WillTablet> Because they are extreme far-right arrogant people
[23:21] <WillTablet> I'm going to ask my parents if I can not go to church at Christmas.
[23:22] <enkidu> dont worry. far-left people are not better, centre is even worse
[23:22] <WillTablet> In previous years, I did it because my parents said even if I disagreed with it, I had to go, to be seen to go
[23:22] <WillTablet> But quite honestly, I don't care what they think of me
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[23:23] <WillTablet> The only problem I have with Christians is that they're Christian
[23:25] <WillTablet> Once they stop wanting to live their lives the way a guy with a beard said to 2000 years ago I'm happy to go to church
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[23:25] <arko> WillTablet: go sleep dude
[23:25] <WillTablet> One more rant, please :-)
[23:26] <WillTablet> And their treatment of Quiltbags is appalling
[23:26] <arko> ok, all done with rants now
[23:27] <adamgreig> hah, that's an excellent acronym
[23:27] <adamgreig> I've never heard it that way around before
[23:27] <adamgreig> surprisingly
[23:27] <DL7AD> good evening
[23:27] <enkidu> oh, it is you again :)
[23:28] <DL7AD> yep having some dinner now
[23:29] <DL7AD> i moved from berlin to wildau now
[23:29] <DL7AD> having students life
[23:29] <WillTablet> DSM5 is better than the bible.
[23:29] <WillTablet> And more accurate
[23:30] <arko> hey! you said one more rant
[23:32] <WillTablet> Hey arko
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