highaltitude.log.20101125

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[09:03] <NigeyMoby> Morning
[09:04] GW8RAK (~chatzilla@host86-154-165-72.range86-154.btcentralplus.com) joined #highaltitude.
[09:05] <NigeyMoby> Morning GW8RAK
[09:05] <GW8RAK> Morning NigeyMoby.
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[09:05] <GW8RAK> And so another exciting day at work begins.
[09:07] <GW8RAK> Mind you, another day like yesterday would be good for my cashflow
[09:07] <NigeyMoby> Ouch, I have a fun day at home playing with the yaesu planned
[09:09] <GW8RAK> Lucky you, but work is nice and warm.
[09:09] <NigeyMoby> Meh its -2 here
[09:10] <GW8RAK> Light snow shower overnight, but I don't think it has gone much below zero.
[09:10] <GW8RAK> I was going to cycle to work, but I need the car today so another no exercise day.
[09:11] <NigeyMoby> Lol sod cycling when its this cold.
[09:12] <NigeyMoby> Bbs best get a shower etc.
[09:13] <GW8RAK> Cycling is fun even in the cold, but driving is just boring
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[09:41] <jonsowman> morning all
[09:43] <fsphil> morning!
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[09:45] <jonsowman> how's things fsphil?
[09:46] <fsphil> not bad! stuck at home today, bt engineer calling sometime to do an upgrade
[09:46] <jonsowman> ahh I see
[09:47] <jonsowman> today's the first day of the last week of term for me :)
[09:47] <fsphil> fantastic
[09:47] <jonsowman> then I can do some real work on Apex
[09:47] <jonsowman> hehe
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[11:05] <GW8RAK> How much success have people had with uplinks of data or commands to balloons?
[11:10] <Laurenceb_> edmoore and fnoble did an uplink
[11:10] <Laurenceb_> using 70W tho :(
[11:11] <Laurenceb_> aiui they use a very wide bandwidth setting on an chipcon
[11:12] Action: Laurenceb_ has lnas XD
[11:14] <fsphil> why 70 watts?
[11:14] <GW8RAK> So it's a pretty simple RX?
[11:16] <fsphil> the apex guys did an uplink too iirc
[11:16] <Laurenceb_> yeah
[11:16] <GW8RAK> I've been wondering what the receiver was.
[11:17] <Laurenceb_> theoretically its as easy as downlink
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[11:17] <GW8RAK> And what more could be achieved with a more sensitve RX?
[11:17] <Laurenceb_> but you see lots of interference from the ground
[11:17] <NigeyS> ello!
[11:17] <NigeyS> anyone here got a ft-790?
[11:17] <Laurenceb_> i did some numbers based on specs for the ISS repeater
[11:17] <fsphil> morning NigeyS
[11:17] <Laurenceb_> and its not _that_ bad
[11:17] <GW8RAK> I did have one
[11:17] <fsphil> I have one sitting beside me right now
[11:17] <NigeyS> my battery compartment has a piece of copper crossing the terminals :|
[11:18] <GW8RAK> The ISS is very simple to receive and big signal strengths
[11:18] <Laurenceb_> if you stick 10mw through a big yagi and use some interference supressing tricks like dsss on the rx
[11:18] <GW8RAK> dsss?
[11:18] <fsphil> NigeyS, got a pic?
[11:18] <Laurenceb_> it looks feasible, but 10mw and yagi is technically breaking EIRP
[11:19] <Laurenceb_> direct sequence spread spectrum
[11:19] <NigeyS> taking 1 now m8e
[11:20] <GW8RAK> Okay on dsss. I really must read more about it. Using 10mW for the uplink is making life hard isn't it? Why not use PMR446 which would be legal for ground based tx'ing
[11:20] <Darkside> why don't you all move to australia
[11:20] <GW8RAK> If you are an amateur, there's problem with uplink at all.
[11:20] <Darkside> and do 10W from your balloons
[11:20] <Darkside> ;:P
[11:20] <GW8RAK> Because we like the shit weather we get over here!
[11:20] <Darkside> :P
[11:20] <fsphil> and then get bitten by something awful :p
[11:21] <Darkside> hahaha
[11:21] <Darkside> redback, funnel web, blue ringed octopus
[11:21] <fsphil> haha
[11:21] <GW8RAK> Nice with chips
[11:21] <Darkside> taipan, tiger snake, and a box jellyfish
[11:21] <Darkside> big shark, just waiting for you go swimming on bondi beach
[11:21] <Darkside> come to australia! you might accidentally get killed
[11:21] <NigeyS> fsphil, http://www.nigey.co.uk/IMAG0398.jpg
[11:21] <Darkside> your life's constantly under threat, have yotu been bitten yet?
[11:21] <GW8RAK> That's why we put up with the weather
[11:22] <Darkside> you've only got 3 minutes left, before a massive coronary breakdown
[11:22] <Darkside> :)
[11:22] <GW8RAK> NigeyS does it just duplicate the factory connection from left to right?
[11:22] <NigeyS> looks like
[11:23] <fsphil> are there any breaks on the proper one?
[11:23] <fsphil> could be a badly done repair
[11:23] <GW8RAK> Can you put a meter on it? It may be that the old connection is broken and this is a bodge
[11:23] <GW8RAK> Or the spring could be a bit weak and doesn't make good contact
[11:23] <NigeyS> ahh looks like its an old repair, plastic behind it looks buggered
[11:24] <GW8RAK> Is the plastic end cap broken?
[11:24] <NigeyS> split yeah
[11:24] <GW8RAK> Bodged repair. Stick a meter on it to test continuity
[11:25] <NigeyS> oki
[11:25] <GW8RAK> PS. Any advice I may give comes with no guarantee.
[11:25] <NigeyS> lol
[11:26] <GW8RAK> Remember that they are old rigs now and may have been through a number of careful owners. Plus half a dozen who couldn't give a damn
[11:26] <fsphil> what's the condition like, other than the battery bit?
[11:26] <NigeyS> seems so, repair looks ok though, its causing a link between the spring and the other terminal, the copper was wedged between the battery and spring earlier when i opened it up, so i guess i just replicate that
[11:27] <NigeyS> looks in good nick phil, few scratches, but all seems ok
[11:36] <NigeyS> phew thought it was dead then
[11:36] <NigeyS> that repair is dodgy as fook
[11:37] <fsphil> that whole battery holder can be replaced I believe
[11:38] <NigeyS> hope so, i was about to throw the thing out the window lol
[11:42] <NigeyS> haha lots of buttons to press
[11:43] <fsphil> yea it's a proper little radio :)
[11:44] <fsphil> have you turned it on yet?
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[11:46] <NigeyS> yup lol
[11:47] <fsphil> working?
[11:48] <NigeyS> lots of noise..lol
[11:48] <NigeyS> but yeah working
[11:48] <fsphil> yay, good sign :)
[11:48] <fsphil> best bet would be to find the nearest 70cm repeater and tune to that
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[11:48] Nick change: GW8RAK_ -> GW8RAK
[11:49] <NigeyS> true
[11:49] <NigeyS> there a list ?
[11:50] <fsphil> http://www.ukrepeater.net/channels/70cm.php
[11:51] <NigeyS> oo merci :D
[11:52] <fsphil> odds are nobody will be using the repeater, but they transmit their ID now and then in morse code
[11:52] <NigeyS> oh
[11:53] <fsphil> certainly no shortage of them around that part of the world
[11:53] <NigeyS> i noticed the pc makes a few bleepy noises on ere
[11:56] <fsphil> wireless keyboard / mouse?
[11:56] <NigeyS> mouse
[11:58] <fsphil> yea probably that
[11:58] <fsphil> all sorts of gadgets use 433/434 mhz, can make listening to the payload signal.... interesting
[11:59] <NigeyS> mines making lots of high pitch tones as i cycle up / down 400 - 434
[11:59] <fsphil> your likely in USB or LSB mode?
[12:00] <NigeyS> usb
[12:00] <fsphil> yea, those tones are carriers - probably coming from the electronics around you
[12:00] <fsphil> ethernet cables make a fair few, routers and the like too
[12:00] <NigeyS> interesting
[12:01] <NigeyS> oh eck i got 2 routers in ere..lol
[12:01] <fsphil> haha, not much you can do with them other than turning them off or keeping cables short
[12:02] <fsphil> but hopefully you won't need to - as long as the 434.075 bit is clear
[12:02] <fsphil> it's a good sign that your hearing the tones, means it picking up something
[12:02] <NigeyS> yip, got a cable and some bncs for the yagi, but no adaptor, didnt have 1 in stock :(
[12:03] <fsphil> drat
[12:03] <NigeyS> good, least i didnt buy a dead duck!
[12:03] <NigeyS> bought twist on bnc connectors, wasnt paying 30 quid for a set of crimpers
[12:04] <fsphil> ebay :-)
[12:04] <NigeyS> will do on payday :D
[12:04] <fsphil> bnc plugs are easy enough to crimp
[12:05] <fsphil> but expect to mess up the first few :)
[12:07] <NigeyS> yey! to join the first few rj45's i knackered up last week lol
[12:07] <fsphil> ooh they're fun (not :)
[12:07] <fsphil> yay BT dude is here
[12:08] <NigeyS> theyre ok, as long as the cable doesnt have the plastic core, annoying as hell !
[12:08] <fsphil> so if I ping timeout, he's cut the wrong cable ....
[12:08] <NigeyS> lmao
[12:08] <fsphil> bad sign.. his first question was "has the router arrived yet?"
[12:08] <fsphil> erm... what router?
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[12:09] <NigeyS> :o
[12:09] <NigeyS> IT'S IN YOUR VAN ASSHAT!
[12:10] <NigeyS> ;)
[12:13] <fsphil> I hope so !
[12:13] <fsphil> or it'll be an internet-less few days
[12:13] <NigeyS> uhoh
[12:14] <fsphil> though I've got the o2 wireless thingy
[12:14] <fsphil> but it's pricey
[12:14] <NigeyS> yeah theyre not cheap to use :/
[12:14] <NigeyS> hm, cant find 13.8v dc power supply
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[13:53] Action: Laurenceb_ has the LNAs - 25 free samples XD
[13:53] <Laurenceb_> just need an antenni now
[13:54] <SpeedEvil> :)
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[13:59] <Laurenceb_> ill probably get the one off RS - as its cheapish
[14:00] <Laurenceb_> oh i wotked out a neat RCS system - ~60% R134a refridgerant, 35% water and 5% methanol
[14:00] <Laurenceb_> the water/methanol freezes at about -20C, releasing enough thermal energy to boil off the R134a
[14:00] <Laurenceb_> gives a constant pressure of about 2bar
[14:01] <Laurenceb_> and its all easy to obtain
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[14:07] <m1x10> Im the most tired man
[14:07] <m1x10> Hallo
[14:12] <SpeedEvil> hmm
[14:12] <SpeedEvil> might it not clog the nozzles? And hello!
[14:13] <SpeedEvil> laurence: is that a eutectic mix of water/methanol?
[14:18] <Laurenceb_> not quite
[14:18] <Laurenceb_> aiui water + methanol is not soluble in r134a
[14:18] <Laurenceb_> so the r134a will be "on top"
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[14:20] <SpeedEvil> won't that make heat transfer a major problem?
[14:21] <SpeedEvil> I suppose you could do something like make the water/methanol into a gel
[14:21] <SpeedEvil> http://jellowrestling.com/
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[14:25] <GW8RAK> $49 for a bath ful of jello
[14:27] <Laurenceb_> lol
[14:28] <Laurenceb_> for a really small application its fine
[14:28] <Laurenceb_> - 1ml or so for n-prize
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[14:32] <Laurenceb_> hmm methanol jel for camping fuel is interesting
[14:32] <SpeedEvil> oh - right
[14:32] <SpeedEvil> I forgot about scale
[14:32] <fsphil> yay, i iz onlinez
[14:32] <Laurenceb_> would probably end up like shaving foam tho
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[14:33] <Laurenceb_> yeah - 1ml or so over 100seconds or so
[14:33] <SpeedEvil> GW8RAK: you can actually get it a fair bit cheaper if you buy a 25Kg bag for gardening.
[14:33] <Laurenceb_> it looked like there wasnt enough ambient heat around for it to work tho
[14:33] <SpeedEvil> IIRC 40 quid/m^3
[14:33] <GW8RAK> And I was only being asked this morning what I wanted for Christmas? :-)
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[14:59] <Laurenceb_> or inject the liquid r134a into the bottom of the water tank
[14:59] <Laurenceb_> - seperate
[14:59] <Laurenceb_> and form a load of flush
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[15:03] <Laurenceb_> good for the launch platform attitude control
[15:05] <Laurenceb_> this idea makes the whole idea way more practical - the launch platform just waits for the balloon to burst using the imu - then fires the attiude control for 1s or so and launches the rocket
[15:05] <Laurenceb_> and the nose cone for the rocket can be nice and strong and the second stage just explodes its way out of the top
[15:06] <Laurenceb_> *asd
[15:07] <SpeedEvil> :)
[15:07] <Laurenceb_> itd be almost possible :P
[15:09] <Laurenceb_> still has to be had of CF
[15:09] <Laurenceb_> *made
[15:10] <Laurenceb_> and custom silica fabric nozzles
[15:14] Action: Laurenceb_ has been soldering lis302dlh boards - used hot air gun and pre tinned pads technique
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[15:24] <m1x10> hi fsphil
[15:35] <fsphil> g'day m1x10!
[15:35] <fsphil> thinking of getting a linksprite
[15:38] <SpeedEvil> :)
[15:39] <fsphil> the pin spacing isn't 2.54mm is it
[15:39] <fsphil> ?
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[15:44] <m1x10> its 2mmm
[15:44] <m1x10> I just a massage from my father
[15:44] <m1x10> my back is fixed now
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[15:44] <m1x10> we were doing gymnastics at 5C!
[15:45] <SpeedEvil> :)
[15:45] <m1x10> the camp is on the top of a mountain
[15:45] <m1x10> good clean air
[15:45] Action: SpeedEvil is doing tidying at 5C
[15:45] <m1x10> haha
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[16:04] <Laurenceb_> gymnastics ?!
[16:04] <Laurenceb_> you mean learning how to kill people
[16:05] <Laurenceb_> http://listverse.com/2007/11/11/25-methods-for-killing-with-your-bare-hands/
[16:05] <Laurenceb_> lol at 7
[16:06] <Laurenceb_> http://listverse.files.wordpress.com/2007/11/geek-fight.jpg
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[16:15] <Laurenceb_> http://www.theregister.co.uk/2010/11/25/jimmy_wales_chrome_extension/
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[16:16] <Randomskk> I have that
[16:16] <Randomskk> it's great
[16:17] <natrium42> hehe
[16:34] <m1x10> Laurenceb_ lol
[16:34] <m1x10> Today I also got my first gun :p
[16:34] <m1x10> American G3
[16:34] <m1x10> old and heavy
[16:35] <m1x10> http://www.keepshooting.com/productimages/firearms/rifles/g3_hk_riflebig.jpg
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[16:53] <NigeyS> bloody traffic :@
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[17:03] <fsphil> yea, the town here is packed - the christmas lights are switched on tongiht
[17:03] <fsphil> tonight too
[17:04] <NigeyS> oh fun, more gridlock, traffic seems to get worse, earlier in winter :(
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[17:50] <fsphil> sorry m1x10, dropped of the net earlier after asking about that uart camera -- do you know what the spacing is for the headers?
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[17:54] <m1x10> yes, I said its 2mm
[17:54] <m1x10> you can ask the jap guy to solder it for you.
[17:55] <fsphil> thanks
[17:56] <fsphil> I'm going to order those JST headers, solder that onto it instead of the cable
[17:56] <fsphil> I wasn't sure if it would fit though -- but I think they are 2mm too
[17:56] <m1x10> what headers?
[17:56] <m1x10> link
[17:57] <fsphil> http://www.sparkfun.com/products/9916
[17:58] <m1x10> they are 2
[17:59] <m1x10> mm
[17:59] <fsphil> sweet
[17:59] <m1x10> I already ordered 14mhz crystals
[18:00] <fsphil> 14mhz exactly?
[18:00] <m1x10> no u know
[18:00] <m1x10> the ideal one :)
[18:00] <fsphil> ah, phew
[18:00] <m1x10> hehe
[18:01] <m1x10> then u might help me with the chunk size issue
[18:01] <fsphil> indeedy - ordering tonight hopefully
[18:01] <m1x10> my system works up to 80 bytes for chunk
[18:01] <m1x10> and its not out of memory
[18:02] <m1x10> it could be the uart issue
[18:03] <m1x10> after reading a number of bytes eg: 80, it starts to have the error percentage
[18:03] <m1x10> so its start loosing bit
[18:03] <m1x10> bits*
[18:06] <fsphil> even at a slower baud rate?
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[18:15] <micronaut> i only tested 36800 and above
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[18:18] <fsphil> try slower if it can, see if it makes any difference
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[18:29] <micronaut> omg! There is a slogan nowdays when our prime minister before the elections was telling that money exist for greece. That phrase is a slogan now. Money Exist = LEFTA YPARXOYN ( in greek )
[18:29] <micronaut> if u type that greek in translate.google.com it gives you "no money" !!!!!!!!!!!!!!!!!!
[18:29] <micronaut> OMFG
[18:29] <micronaut> http://translate.google.com/#el|en|%CE%BB%CE%B5%CF%86%CF%84%CE%AC%20%CF%85%CF%80%CE%AC%CF%81%CF%87%CE%BF%CF%85%CE%BD
[18:30] <micronaut> even google knows that greece failed !
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[18:47] <laurence_> hi
[18:48] Nick change: laurence_ -> LsquaredB
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[19:09] Action: LsquaredB forgot to order a RF choke
[19:09] <LsquaredB> doh
[19:10] <LsquaredB> getting an LPRS antenni from RS and fitting a 0.6dB NF amp in it
[19:18] <SpeedEvil1> I have discovered free energy!
[19:18] <SpeedEvil1> Well - sorta.
[19:19] <SpeedEvil1> I accidentally left my induction hob plugged in, when doing a 'lights off' check of my power meter, for parasitic loads.
[19:19] <SpeedEvil1> It reads -1W or so with the hob plugged in
[19:19] <SpeedEvil1> - it has quite a large capacitor on the front-end
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[19:30] <LsquaredB> quick email jean louis
[19:30] <LsquaredB> http://jnaudin.free.fr/kapagen/kapanadze.jpg <- this looks legit
[19:30] <natrium42> rofl
[19:30] <natrium42> the original crackpot
[19:32] <SpeedEvil1> :)
[19:32] <LsquaredB> me discovered another way to do valves - mini rotary valves with a micro motor
[19:32] <SpeedEvil1> yeah
[19:32] <LsquaredB> seems lighter than solenoid and order of mag faster
[19:32] <LsquaredB> http://www.micromo.com/servlet/com.itmr.waw.servlet.Anzeige?fremdaufruf=ja&kdid=541255&sprachid=1&htdigurl=/n112053/i404618.html
[19:33] <LsquaredB> a bit of machining required, but not really complex
[19:33] <SpeedEvil1> sealing is a bit annoying.
[19:33] <SpeedEvil1> But not _too_ annoying if you don't need much life
[19:33] <LsquaredB> put a fair bit of grease on it
[19:33] <SpeedEvil1> You need what - 10s of operation?
[19:33] <LsquaredB> enough to stop it leaking at first
[19:33] <LsquaredB> 100s
[19:34] <LsquaredB> well - up to 100s - whatever it takes to use all the fuel
[19:34] <LsquaredB> all 1ml of it
[19:34] <SpeedEvil1> Or DIY
[19:34] <SpeedEvil1> http://www.rcgroups.com/forums/attachment.php?attachmentid=2202001
[19:34] <LsquaredB> omg
[19:35] <LsquaredB> actually, matcheads are fairly large
[19:35] <SpeedEvil1> Sure - but still... :)
[19:35] <LsquaredB> prob no worse than hand soldering a lsm302dlh
[19:35] <LsquaredB> well maybe a bit :P
[19:36] <SpeedEvil1> See also the cutting-down of a dfn-8 to eliminate the mass of unwanted pins
[19:36] <LsquaredB> i doubt the performance is anything like one of those micromo motors
[19:36] <LsquaredB> yeah ive seen that
[19:38] <LsquaredB> not useful for rockets, but a lipo powered pulse water resistorjet could make an interesting hoverbot
[19:38] <LsquaredB> maybe 1 minute flightime
[19:38] <LsquaredB> you can do interesting stuff with multilayer pcbs as the heater thingy
[19:39] <SpeedEvil1> Umm...
[19:39] <SpeedEvil1> Do you mean a water rocket pressurised by steam?
[19:40] <LsquaredB> well diy multilayer
[19:40] <LsquaredB> nope
[19:40] <LsquaredB> liquid room temperature water
[19:40] <SpeedEvil1> Or a 'proper' steam exhaust
[19:40] <LsquaredB> like a inkjet, but you take the water supercritical
[19:41] <LsquaredB> 4 or so of them and you could build the equivalent of a quadcopter
[19:41] <SpeedEvil1> I don't believe it can possibly work. But I'd need to actually do the maths.
[19:41] <LsquaredB> its obviously very power hungry
[19:42] <SpeedEvil1> I suppose 60C capable li-ions do have a stupid specific power
[19:42] <LsquaredB> thing two pcbs with a small spacer, then exposed copper etched to form a resistive surface
[19:42] <LsquaredB> yes, use some crazy 40C lipos
[19:43] <SpeedEvil1> Or skip the water.
[19:43] <SpeedEvil1> http://www.youtube.com/watch?v=4OsBc8RqSKU
[19:43] <LsquaredB> lol
[19:43] <LsquaredB> lipos have an equivalent isp of 260seconds
[19:44] <SpeedEvil1> You can actually get (IIRC) 1mm/week from a li-ion photon drive with good LEDs
[19:47] <LsquaredB> actually yes water resistorjet is probably slightly less than feasible
[19:47] <LsquaredB> even with 45C lipos
[19:47] <LsquaredB> 9Kw/Kg seems to be about the limit of lipos
[19:47] <SpeedEvil1> Umm
[19:48] <SpeedEvil1> Isn't that 900wh'kg?
[19:48] <SpeedEvil1> (Li-ion specific impulse)
[19:49] <LsquaredB> yeah - i must have that wrong
[19:49] <LsquaredB> more like 100s
[19:49] <SpeedEvil1> I can buy being on the same order as cold gas thrusters.
[19:50] <SpeedEvil1> But as good as gunpowder is questionable.
[19:50] <SpeedEvil1> Microthruster arrays are also fun
[19:50] <LsquaredB> still - r134a resistorjet powered hoverbot is trivial
[19:50] <SpeedEvil1> Interesting.
[19:50] <LsquaredB> -more than an order of mag less power required
[19:51] <LsquaredB> but you have a lower ISP - <80sec
[19:51] <SpeedEvil1> Because of the more sane phase change energy?
[19:51] <LsquaredB> yes
[19:51] <LsquaredB> propane is only slightly worse and higher isp
[19:52] <LsquaredB> but its kind of pointless as you could ditch the heaters and itd work
[19:53] <SpeedEvil1> Propane powered propane jet? :)
[19:53] <LsquaredB> lol
[19:53] <LsquaredB> http://www.hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=14616
[19:53] <LsquaredB> ^ madness
[19:54] <SpeedEvil1> 90C...
[19:55] <SpeedEvil1> Oh - those are the a123 slightly larger cells I think.
[19:56] <LsquaredB> i thought a123 made liFepo
[19:56] <SpeedEvil1> Oh - I misread
[20:06] <LsquaredB> http://shop.lprs.co.uk/product_info.php?cPath=3&products_id=108
[20:06] <LsquaredB> not bad
[20:08] <SpeedEvil1> Not terrible, no.
[20:11] <eroomde> blarg
[20:11] <NigeyS> hey eroomde !
[20:11] <eroomde> hi NigeyS
[20:12] <NigeyS> i only realise yesterday what your nick says if read backwards..lol
[20:12] <eroomde> yes - my name
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[20:12] <NigeyS> forgot where i saw your name though :(
[20:13] <eroomde> wanna see a pic i took last night?
[20:13] <NigeyS> fsphil, have you pinched my bnc stripper? :(
[20:13] <NigeyS> go for it eroomde
[20:13] <eroomde> http://i.imgur.com/ZcFxs.jpg
[20:14] <NigeyS> grrr that is unfair and totally friggin awsome!
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[20:15] Action: NigeyS slaps jcoxon with a lasen breakout
[20:15] <NigeyS> eroomde, where abouts are you to get aurora like that? !
[20:16] <jcoxon> NigeyS, oh i was meant to send you one
[20:16] <jcoxon> eroomde, success?
[20:16] <eroomde> 200 miles into the artic circle
[20:16] <eroomde> a place in norway called tromso
[20:16] <eroomde> http://i.imgur.com/3rIh6.jpg
[20:16] <NigeyS> you were, lol can you pop it into the post on w/e ? the headers turned up today so just waiting on the board
[20:16] <eroomde> on that one you can see the plough
[20:16] <jcoxon> awesome
[20:16] <jcoxon> better then mine
[20:16] <jcoxon> congrats!
[20:16] <jcoxon> said it was a good place
[20:16] <eroomde> jcoxon: they were astonishing
[20:16] <NigeyS> ahh tromso, so jealous :(
[20:17] <eroomde> dancing like mad ontop of our heads
[20:17] <jcoxon> :-D
[20:17] <eroomde> green, red, yellow
[20:17] <eroomde> never seen anything like it in my life
[20:17] <NigeyS> meant to be a pretty moving experience
[20:18] <NigeyS> yellow = oxygen or nitrogen ?
[20:18] <NigeyS> i know the green is oxygen.. not sure about yellow :|
[20:21] <eroomde> NigeyS: a bit more yellow here http://i.imgur.com/JidGY.jpg
[20:21] <eroomde> http://i.imgur.com/JidGY.jpg
[20:21] <jcoxon> wow thats incredible
[20:22] <jcoxon> right bbl
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[20:22] <NigeyS> never seen a image like that with the yellow and gryish white, thats bloody amazing!
[20:22] <NigeyS> greyish*
[20:22] <fsphil> NigeyS, maybe :p
[20:22] <NigeyS> biatch give them back lol, how did mr BT man do ?
[20:23] <eroomde> http://i.imgur.com/PmZBk.jpg
[20:23] <fsphil> fine up until he got the router from the van, and it didn't work :)
[20:23] <eroomde> attempt at self portrait
[20:23] <NigeyS> couldve smiled! lol
[20:23] <eroomde> not for 5 seconds!
[20:23] <NigeyS> bet you were bloody freezing though lol
[20:23] <NigeyS> lol
[20:23] <eroomde> yeah -14 before wind chill
[20:23] <NigeyS> fsphil, noooooooooooo lol sods law eh !
[20:24] <eroomde> i have about 9 layers on there
[20:24] <NigeyS> crikey, thats cold dude !
[20:24] <fsphil> NigeyS, indeed -- but all going now -- and stupidly fast :) well chuffed
[20:24] <NigeyS> yey good stuff!
[20:24] Action: NigeyS pets his 50mb virgin router :P
[20:25] <fsphil> bah, 35mb is good enough for anyone ;-)
[20:25] <NigeyS> tbh i only ever go over a few mb when im downloading from newsgroups
[20:25] <fsphil> nice aurora shots!
[20:27] <NigeyS> hmm heres a challenge for someone
[20:27] <eroomde> ta. still grinning at the thought of being there. most effective way of not noticing the cold i've ever found
[20:27] <NigeyS> launch a hab from tromso, at night, and photograph the aurora from above :p
[20:28] <fsphil> space balloon!
[20:28] <eroomde> NigeyS: waaaaaaaaaaaaay ahaead of you
[20:28] <eroomde> :)
[20:28] <NigeyS> lol eroomde gives a whole new meaning to cold dont it !
[20:28] <NigeyS> oh you have something planned? :D
[20:29] <NigeyS> you'd get some awsome shots
[20:29] <eroomde> NigeyS: the trick will be to get nat geographic to fund an expedition
[20:29] <eroomde> need to get a balloon platform to hold still for 5 secs exposures too
[20:29] <NigeyS> there's always that yup..lol
[20:29] <NigeyS> yeah, thats the slightly tricky part :|
[20:29] <eroomde> and there's a huge amount of sea around there
[20:30] <eroomde> recovery would need luck and a helicopter
[20:30] <fsphil> or tim
[20:30] <NigeyS> we'll just send timbo in some thermals, he'll be ok lol
[20:31] <eroomde> thermals
[20:31] <eroomde> lol
[20:31] <eroomde> it's dark 4 moths of the year
[20:31] <NigeyS> we'll give him a torch to :p
[20:31] <eroomde> never saw the sun while i was there
[20:31] <Randomskk> heya eroomde
[20:31] <eroomde> yo
[20:32] <NigeyS> but the question is, was it worth it, and would you go again? :D
[20:32] <eroomde> yes and yes
[20:32] <eroomde> no doubt
[20:32] <fsphil> Iceland wasn't it?
[20:33] <eroomde> norway
[20:33] <fsphil> ah
[20:33] <fsphil> slight difference
[20:33] Action: fsphil scribbles that onto his todo list
[20:33] <eroomde> i would go again soon but travel money is finite and the world is big
[20:34] <eroomde> fsphil: Tromso - ABC Hotell - Guide Gunnar (for trips)
[20:34] <eroomde> i recommend all those three
[20:35] <fsphil> noted -- that's definitely something for next winter
[20:36] <fsphil> just need to convince someone here to go too :)
[20:36] <eroomde> jcoxon recommended abc to me
[20:36] <eroomde> flights to trmso from oslo - norwegian seemed cheapest perhaps unsurprisingly
[20:38] <fsphil> fairly big town from the looks of it
[20:38] <eroomde> yeah it's quite a city
[20:38] <eroomde> massive area
[20:38] <eroomde> quite sparsely populated tho
[20:38] <eroomde> norway's population is half london's
[20:39] <fsphil> and they're far enough north that there's no daylight in winter? or did you have to go further north for that?
[20:39] <eroomde> oh the brewery tour (most northern brewery in world or something) totally worth it
[20:39] <eroomde> fsphil: there is some light still in late november
[20:40] <eroomde> but no actual sun
[20:40] <fsphil> that's got to be weird
[20:40] <fsphil> I suppose the opposite is true.. no real night in summer
[20:41] <fsphil> that's also on my todo list -- see the sun at midnight
[20:41] <eroomde> fsphil: i took this photo when we went fishing at about noon
[20:41] <eroomde> http://i.imgur.com/QUzR4.jpg
[20:41] <eroomde> can see it was sunset colours
[20:42] <fsphil> nice
[20:42] <eroomde> btw that's a sea eagle in top left
[20:42] <eroomde> lots of them
[20:42] <eroomde> and dolphins too
[20:44] <fsphil> it's amazing anything lives there :)
[20:44] <eroomde> yeah. whole place was an eye opener
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[20:50] <LsquaredB> eroomde: what are you there for?
[20:50] <LsquaredB> just holiday or work?
[20:50] <eroomde> LsquaredB: holiday
[20:50] <LsquaredB> ah cool
[20:51] <LsquaredB> *ah -14C freezing
[20:51] <eroomde> in uppsala now with other half. tromso was a mini holiday inside my swedish hliday
[20:52] <LsquaredB> sounds fun
[20:52] <LsquaredB> SpeedEvil: the fail way to do "lightweight" valves http://www.youtube.com/watch?v=b_VHDTupGBQ&feature=player_embedded
[20:52] <eroomde> really needed it. she has an exam tomorrow so i'm catching up on emails and watching the wire
[20:53] <eroomde> and irc :)
[20:53] Action: LsquaredB doesnt get the wire
[20:54] <LsquaredB> seems boring
[20:54] Action: eroomde is addicted
[20:54] <eroomde> LsquaredB: did you start from the beginning?
[20:54] <LsquaredB> nope
[20:54] Action: SpeedEvil1 goes to sleep for a bit.
[20:54] <eroomde> ok you need to
[20:55] <eroomde> it's not something that you can casually watch
[21:09] <jonsowman> hi eroomde
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[21:51] <jonsowman> hi jcoxon
[21:51] <jonsowman> saw your tweet :)
[21:52] <jcoxon> yeah got bored
[21:57] <jonsowman> hehe
[21:58] <jonsowman> how's atlas looking?
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[21:58] <jcoxon> hehe it only has a few components soldered on
[21:58] <jcoxon> and i'm waiting on delivery of a GPSbee from seeedstudio
[21:58] <jonsowman> :)
[21:58] <jonsowman> oh yes
[21:58] <jonsowman> I'll be interested to know what that's like
[21:58] <Upu> hey jcoxon QT thingy recieved :) thx
[21:59] <jcoxon> Upu, great
[21:59] <jcoxon> QRZ card
[21:59] <Upu> that too :)
[22:00] <Upu> BTW my PCB's turned up 2 weeks ago one day I'll get time to solder them...
[22:03] <jcoxon> cool
[22:03] <jcoxon> pic?
[22:03] <Upu> err
[22:03] <Upu> this shows you how little I've done :)
[22:03] <Upu> 1sec
[22:04] <NigeyS> jonsowman, i think i hear bleeps
[22:04] <jonsowman> excellent :D
[22:05] <NigeyS> think being the word, barely audible :\
[22:06] <jonsowman> does it sound RTTY like?
[22:06] <jonsowman> you're on AM SSB I assume?
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[22:07] <Upu> http://ava.upuaut.net/files/IMG_5570.JPG
[22:07] <jonsowman> nice
[22:07] <NigeyS> am, ssb, 434.650
[22:07] <jonsowman> looks good Upu :)
[22:08] <Upu> well
[22:08] <jonsowman> NigeyS: sounds right :)
[22:08] <Upu> fingers crossed my track record on PCB's isn't great :)
[22:09] <fsphil> tune around a bit, it might not be exactly .650
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[22:14] <NigeyS> hm got errors now :(
[22:16] Lunar_Lander (~lunar_lan@p5488257F.dip.t-dialin.net) joined #highaltitude.
[22:16] <Lunar_Lander> hello
[22:33] <jcoxon> right populated this board enough to make an LED blink
[22:33] <jcoxon> time to burn a new chip
[22:34] <Lunar_Lander> yeah
[22:34] <Lunar_Lander> new flight computer?
[22:35] <jcoxon> yeha
[22:37] <Lunar_Lander> cool
[22:37] <Lunar_Lander> what will it be able to do?
[22:38] <jcoxon> its a rebuild of the last flight computer
[22:38] <jcoxon> so its a atmega micro with ntx2 radio, crystal oven and various ports for sensors
[22:38] <jcoxon> very simple design
[22:39] <Lunar_Lander> ah
[22:39] <Lunar_Lander> crystal oven?
[22:40] <jcoxon> to keep teh frequency stable
[22:40] <jcoxon> you heat the crystal of the radio so it doesn't drift
[22:41] <Lunar_Lander> ah I see
[22:41] <Lunar_Lander> to prevent what happens on Voyager 2
[22:41] <Lunar_Lander> (it's transmitter also suffers from shifting due to temperature)
[22:42] <jcoxon> yes
[22:43] <jcoxon> its alive!
[22:43] <jonsowman> :D
[22:43] <fsphil> haha
[22:46] <Lunar_Lander> xD
[23:02] <jcoxon> http://www.flickr.com/photos/jcoxon77/5207841210/
[23:03] <Lunar_Lander> what is it able to do now?
[23:03] <jcoxon> just blink the led
[23:03] <jcoxon> :-p
[23:03] <jcoxon> and turn on the resistor heater for the crystal oven
[23:03] <Lunar_Lander> enormous :)
[23:04] <Lunar_Lander> that is like a thousand times more than a cheap Chinese toy
[23:04] <Lunar_Lander> :)
[23:04] <Lunar_Lander> (oh man my comedy is so bad)
[23:04] <fsphil> that's proper professional that
[23:04] <Lunar_Lander> yes
[23:05] Upu (~Upu@ubn.upuaut.net) left irc:
[23:05] <Lunar_Lander> my little brother once got one of these bear in the big blue house toys which told storys and moved its head while doing that
[23:05] <Lunar_Lander> and he let it tell storys the whole christmas day
[23:05] <Lunar_Lander> by the end of the day it was already making these shrieking sounds like when something is overloaded
[23:10] <NigeyS> jonsowman, do i need the rtty library for this to work properly ?
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[23:22] <jonsowman> NigeyS: nope, ignore that library
[23:22] <jonsowman> it's not finished or tested
[23:22] <NigeyS> oki
[23:23] <jcoxon> NigeyS, so do i need to send you a lassen?
[23:23] <jcoxon> i've slightly lost track
[23:23] <jcoxon> i mean a lassen breakout
[23:23] <jcoxon> rather than a gps module
[23:23] <NigeyS> just the breakout, if you want to solder a smd on there for me i wont say no :p
[23:24] <jcoxon> if i had a header i would
[23:24] Nick change: DagoRed -> DR_pie
[23:24] <NigeyS> i got 4, and a telescope to see the dam things!
[23:24] <jcoxon> if you send me one i'll solder it on for you
[23:24] <NigeyS> oh oki, email me ure address, thatd be handy, i dont wanna ruin the only breakout i have lol
[23:25] <NigeyS> nigel@nigey.co.uk
[23:25] <jcoxon> grrr i'm going to need to order some more atmega328s
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[23:27] juxta (juxta@ppp203-122-193-94.static.internode.on.net) joined #highaltitude.
[23:30] <Darkside> hey juxta
[23:30] <juxta> morning
[23:31] <Darkside> i saw the horus 10 writeup :P
[23:31] <jcoxon> this is interesting: http://www.skpang.co.uk/catalog/product_info.php?cPath=110_123&products_id=661
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[23:32] <juxta> heya jcoxon
[23:34] Nick change: DR_pie -> DagoRed
[23:39] <jcoxon> juxta, just listening to the horus 9 recors
[23:39] <jcoxon> recordings
[23:39] <jcoxon> so very jealous - makes it sound awesome
[23:39] juxta_ (juxta@ppp203-122-193-94.static.internode.on.net) joined #highaltitude.
[23:39] <Darkside> it was awesome >_>
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[23:42] <Lunar_Lander> Darkside how was Horus 12?
[23:42] <Darkside> very good
[23:42] <juxta_> too close to the river for my liking
[23:42] <Darkside> arrived in time to see the landing
[23:42] <Darkside> yeah true
[23:42] <Darkside> it could have easily gone int he river
[23:42] <Darkside> but below 8km or so the predictions were pretty good, so i wasn't too worried
[23:42] <juxta_> no water anywhere and it chooses to land 100m from the river
[23:43] <Darkside> once it started following the predicted track, i started to worryless
[23:43] <Lunar_Lander> yeah
[23:43] <Lunar_Lander> I think you want to prevent another Hours 8 right?
[23:43] <Darkside> yes haha
[23:43] <Lunar_Lander> and I mean
[23:44] <Lunar_Lander> you lost the maxtrax you needed on Hours 10 again
[23:44] <Lunar_Lander> fortunately these people with the landrover were there
[23:47] <juxta_> well
[23:47] <juxta_> after a bit of a walk they were 'there' ;p
[23:47] <Lunar_Lander> yeah
[23:48] <Lunar_Lander> these sand roads look quite like they cause problems often
[23:48] <juxta_> yeah they're rubbish, i need to buy a 4wd
[23:49] <Darkside> mm i've been considering a cheap 4wd or something
[23:49] <Darkside> dunno yet tho
[23:49] <Darkside> i dunno if i want to pay much for a car when i can get a car from my dad for free
[23:49] <Darkside> station wagon tho
[23:55] <juxta_> hey jcoxon, my client disconnected or something, didn't get your messages there
[23:56] <juxta_> but yeah, that repeater was fun - I found an american ham had been flying corss band repeaters for a while too
[23:56] <juxta_> though I think he's since passed away
[23:56] <jcoxon> juxta_, i'm quite jealous
[23:57] <juxta_> shame ofcom won't change the regs over there :(
[23:57] <fsphil> we could use the ntx2 but the range would be fairly limited
[23:57] <jcoxon> fsphil, i'm thinking a morse repeater :-p
[23:58] <juxta_> isnt there a band around ~800mhz you guys have with reasonable power?
[23:58] <fsphil> haha - I'd thought about an rtty repeater, adding the messages to the normal telemetry stream
[23:58] <jcoxon> 868
[23:58] <fsphil> but
[23:58] <jcoxon> 500mW
[23:58] <fsphil> the ntx2 can do voice
[23:58] <fsphil> so lets do that :)
[23:58] <jcoxon> poor range though surely
[23:59] <juxta_> 500mw on 868 would work well
[23:59] <jcoxon> not that accessible though
[23:59] <juxta_> but there's a duty cycle limit or something isnt there?
[23:59] <fsphil> is that an amateur band though?
[23:59] <jcoxon> not many radios do that
[23:59] <juxta_> yeah thats true
[23:59] <jcoxon> right need sleep
[23:59] <jcoxon> night all
[23:59] <fsphil> night!
[23:59] jcoxon (~jcoxon@cpc1-lanc4-0-0-cust720.3-3.cable.virginmedia.com) left irc: Quit: Leaving
[23:59] <juxta_> night jcoxon
[00:00] --- Fri Nov 26 2010