highaltitude.log.20110315

[00:02] <deanydean> does anyone know of any insurers in the UK that will offer this kind of cover. Am searching for some public liability insurance but most quotes are aimed as businesses.
[00:02] <natrium42> guys, we should liek, build a nuclear powered balloon
[00:02] <natrium42> :D?
[00:03] <natrium42> Aeronobyl
[00:03] <natrium42> Project Aeronobyl
[00:04] <Lunar_Lander> lol
[00:05] <Lunar_Lander> deanydean here in germany seems to be no one to insure such flights
[00:05] <natrium42> Lunar_Lander: FYI http://en.wikipedia.org/wiki/Nuclear_aircraft
[00:05] <Lunar_Lander> I know
[00:05] <natrium42> :D
[00:05] <Lunar_Lander> feynman "invented" it as a joke
[00:05] <Lunar_Lander> he went to the patent guy at Los Alamos
[00:06] <Lunar_Lander> and said: Just rush air through a reactor, pffft, nuclear airplane!
[00:06] <Lunar_Lander> and left
[00:06] <Lunar_Lander> years later a plane company called and asked him to lead a nuclear plane experiment
[00:06] <natrium42> lol
[00:06] <Lunar_Lander> and he asked "why me?"
[00:06] <Lunar_Lander> "Well, your name is on the patent"
[00:06] <deanydean> thanks for the answers guys.
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[00:07] <SpeedEvil> I got cited for a usenet post in a patent.
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[00:10] <Lunar_Lander> cool
[00:12] <SpeedEvil> http://www.patentgenius.com/patent/7154252.html
[00:12] <Lunar_Lander> some moron on ustream: "Iraqi's old information minister is managing japanese media.. "
[00:15] <natrium42> "There is no radiation in all of Japan"
[00:15] <Lunar_Lander> cool SpeedEvil
[00:15] <SpeedEvil> The emitted radiation has been truly tiny
[00:16] <SpeedEvil> so far
[00:16] <Lunar_Lander> someone told me that he calculated the amount of radioactive material that fell on western germany after chernobyl
[00:16] <Lunar_Lander> back then I mean
[00:16] <Lunar_Lander> he is a moderator at a chemistry forum
[00:16] <SpeedEvil> No question that it's several orders of magnitude less deadly than the tsunami.
[00:16] <Lunar_Lander> he said that the total amount of Iodine was about 7 g
[00:17] <natrium42> belorus was hit hard, though
[00:18] <Lunar_Lander> yeah
[00:18] <Lunar_Lander> btw
[00:18] <Lunar_Lander> the models developed just after Chernobyl to compute the fallout
[00:19] <Lunar_Lander> were later used to help the Breitling Orbiter 3 balloon around the world
[00:19] <natrium42> cool
[00:20] <natrium42> i used HYSPLIT the other day to predict japan fallout :D
[00:21] <Lunar_Lander> cool
[00:25] <Lunar_Lander> http://www.ustream.tv/channel/geiger-counter-tokyo
[00:29] <Lunar_Lander> well
[00:29] <Lunar_Lander> it won't be the last day of the world
[00:29] <natrium42> nah
[00:31] <Lunar_Lander> our chancellor said that we won't keep the plan to run our NPPs longer than originally planned
[00:33] <natrium42> germany still on for abandoning nuclear power?
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[00:33] <Lunar_Lander> well
[00:33] <SpeedEvil> Insane.
[00:33] <Lunar_Lander> our chancellor was speaking about running the NPPs a little longer
[00:34] <Lunar_Lander> but she put that plan down now
[00:34] <SpeedEvil> Actually not insane, if you can bring up new plants fast.
[00:34] <SpeedEvil> But...
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[00:35] <natrium42> hah, when i was living in germany we went on a class trip to ruhrgebiet
[00:35] <natrium42> and the guide there was saying how nice coal was
[00:35] <natrium42> clean coal etc
[00:35] <natrium42> biggest lie ever, coal is nver clean
[00:35] <SpeedEvil> CO2 capture in principle.
[00:36] <natrium42> another concern is mining it
[00:36] <natrium42> a lot of miners die yearly
[00:36] <Lunar_Lander> yeah
[00:36] <Lunar_Lander> but now the ruhrgebiet is being built back kind of
[00:36] <Lunar_Lander> they make the citys green
[00:37] <natrium42> Laurenceb: the monster of steel was cool though
[00:37] <natrium42> bagger!
[00:37] <Lunar_Lander> yeah!
[00:37] <natrium42> Lunar_Lander: http://www.youtube.com/watch?v=azEvfD4C6ow
[00:37] <natrium42> :D
[00:37] <Lunar_Lander> we got a nice joke here
[00:38] <Lunar_Lander> "Was ist gelb und schwimmt nicht?" (What's yellow and doesn't swim?)
[00:38] <natrium42> hmm
[00:38] <Lunar_Lander> Ein bagger! (An excavator!)
[00:38] <Lunar_Lander> and why?
[00:38] <Lunar_Lander> because it only has one arm!
[00:38] <natrium42> ...
[00:38] <natrium42> it's one of these nonsensical jokes
[00:39] <Lunar_Lander> yeah
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[00:39] <Lunar_Lander> what's gray and does hurt?
[00:39] <natrium42> dunno
[00:40] <Lunar_Lander> a rock slide
[00:40] <natrium42> ...
[00:40] <natrium42> Wenn ist das Nunstück git und Slotermeyer? Ja! Beiherhund das Oder die Flipperwaldt gersput!
[00:40] <Lunar_Lander> xD
[00:40] <natrium42> funniest joke in the world
[00:41] <natrium42> juxta should tell it to the german girl
[00:41] <natrium42> XD
[00:41] <Lunar_Lander> xD yeah
[00:41] <Lunar_Lander> hope she is finally out of the shower
[00:41] <natrium42> of course she is
[00:41] <natrium42> germans are efficient
[00:41] <Lunar_Lander> yeah
[00:42] <natrium42> and conserve resources
[00:42] <Lunar_Lander> someone wrote on ustream
[00:42] <Lunar_Lander> "BREAKING NEWS: ALL WORLD PROBLEMS NOT DIRECTLY RELEVANT TO U.S. SAFETY"
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[00:47] <Lunar_Lander> natrium42
[00:47] <Lunar_Lander> in the sparkfun channel was an interesting talk about a reactor type looked on for the future
[00:47] <Lunar_Lander> works on liquid salt with Thorium
[00:47] <natrium42> oh
[00:48] <Lunar_Lander> as far as I got it, such a thing is harmless
[00:48] <natrium42> is it the one that is buried into the soil
[00:48] <natrium42> and then burns like a candle for years?
[00:48] <Lunar_Lander> I don't think so
[00:48] <natrium42> ah
[00:48] <Lunar_Lander> as the wiki page said that it was considered as a plane drive
[00:50] <Lunar_Lander> http://en.wikipedia.org/wiki/Molten_Salt_Reactor
[00:51] <Lunar_Lander> natrium42 http://www.chemieonline.de/forum/showpost.php?p=2684816442&postcount=6
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[00:54] <SpeedEvil> http://www.theregister.co.uk/2011/02/14/sheep_eat_tnt/
[00:57] <NigeyS> meh like it hasnt taken 2 hours to get vlc-shares working on android :@
[00:57] <natrium42> Zuph joined at the right moment
[00:57] <Zuph> Oh?
[00:58] <natrium42> 20:59 < SpeedEvil> http://www.theregister.co.uk/2011/02/14/sheep_eat_tnt/
[00:58] <Lunar_Lander> on a chemistry board someone wrote
[00:58] <Lunar_Lander> "In Fukushima (Block 3) übernachten? NEIN, Aber hingehen und mit Borsäure, Blei, Cadmium, Hafnium etc. mein bestes geben." (Staying overnight in Fukushima Block 3? NO! but go there and do my best with boronoic acid, lead, cadmium, hafnium, etc.)
[00:58] <Lunar_Lander> the thing with the acid I read today
[00:58] <Lunar_Lander> and lead is logical
[00:58] <Lunar_Lander> but what for does he want to use cadmium and hafnium?
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[01:15] <Lunar_Lander> well
[01:15] <Lunar_Lander> robert wanted to try to capture the iceland ash cloud with Icarus
[01:16] <Lunar_Lander> maybe we should start equipping our balloons with Geigers?
[01:16] <Lunar_Lander> natrium42 ?
[01:24] <Lunar_Lander> ah well
[01:24] <Lunar_Lander> ebay now has a FT-790R for 125 euros
[01:24] <Lunar_Lander> but the stabo should work as well
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[05:11] <griffonbot> @LVL1WhiteStar: Woot! A last try underway to integrate a keychain sdcard vid recorder! Now just need somewhere photogenic to fly over... mmm alps. #arhab [http://twitter.com/LVL1WhiteStar/status/47525360291688448]
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[05:23] <SamSilver> g morn
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[05:25] <Dan-K2VOL> Morn
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[05:51] <lala> hello
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[06:32] <natrium42> Gnea: fix your intertubes! :P
[06:32] <Dan-K2VOL> Natrium42 we're up too late
[06:33] <Dan-K2VOL> Yeah that would be good too
[06:33] <natrium42> whatcha working on?
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[06:57] <SamSilver> Gnea can you sit still mate!
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[07:34] <SamSilver> http://wiki.whitestarballoon.com/lib/exe/fetch.php?media=analysis:snoxivmapgpsv.png
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[07:38] <SamSilver> wb
[07:40] <natrium42> yeah, it was very close
[07:44] <SamSilver> twas
[07:44] <SamSilver> would have bitten my fingers off, never mind the nails!
[07:47] <SamSilver> if it had been launched from the coast it would have made it.
[07:47] <natrium42> yeah
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[07:47] <natrium42> it's a shame
[07:51] <SamSilver> well I still have the cigar, maybe this week I will get to fire it up!
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[09:47] <fsphil> we need a good launch soon!
[09:48] <fsphil> been too long since the last UK one
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[09:52] <D00berry> Morn.
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[10:34] <fsphil> and I thought my net connection was bad
[10:35] Action: SpeedEvil pokes fsphils connection with a stick.
[10:35] <fsphil> nooo! the pings will get stuck!
[10:35] <D00berry> heh
[10:35] Nick change: D00berry -> Dooberry
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[13:30] <Laurenceb_> *yawn*
[13:30] <Laurenceb_> anything happening around these parts/
[13:30] <Laurenceb_> ?
[13:42] Nick change: SAIDias -> W0OTM
[13:42] <W0OTM> Hello World
[13:44] <SamSilver> Hi Laurenceb
[13:44] <SamSilver> this morning we was chatting up a storm
[13:46] <SpeedEvil> Kingspan is heavy.
[13:47] Action: SpeedEvil has just had 5m^3 or so delivered.
[13:48] <SamSilver> home renovations speed?
[13:49] <SpeedEvil> yes.
[13:49] <SpeedEvil> At the moment, I'm thinking it'd be simpler just to live in a huge kingspan fort.
[13:50] <Laurenceb_> lol
[13:51] <Laurenceb_> are you timer studworking the walls?
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[14:01] <SpeedEvil> yes. Lots of 555s
[14:02] <SpeedEvil> Possibly dot-and-dab if I can get away with it on some bits.
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[14:16] <SamSilver> http://www.sparkfun.com/products/10499
[14:19] <SamSilver> way kewl
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[14:35] <fsphil> Pens are so 20th century :)
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[14:42] <Laurenceb_> http://www.flickr.com/photos/29153024@N07/5379523749/
[14:42] <Laurenceb_> sometimes armadillo aerosspace look rather goofy
[14:48] <SpeedEvil> I thought it was a magnetron for a moment
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[14:52] Nick change: SAIDias_ -> SAIDias
[14:59] <Laurenceb_> http://www.flickr.com/photos/29153024@N07/2846903611/
[14:59] <Laurenceb_> thats kind of cool.. if pointless
[15:00] <Dooberry> that's one ugly plane
[15:00] <Laurenceb_> heh
[15:02] <Dooberry> In other news, i'm loving my new 23" 1080p computer screen
[15:02] <Dooberry> makes working whilst watching Enterprise so very easy...
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[15:24] <fsphil> know the feeling Dooberry, just upgraded myself
[16:03] <Hibby> well, now got power to the falcoms, but they're not responding to configuration similar (or the same as) that which can be seen on the ukhas wiki :/
[16:03] <Hibby> grumble
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[16:07] <fsphil> are you receiving the normal gps lines?
[16:08] <Hibby> getting gp* strings through, aye
[16:09] <Hibby> going to find the window and reset it to see if I can get a lock for a change :)
[16:24] <Hibby> just seems to be spitting back messages sent to it :/
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[16:26] <Hibby> but when powered via arduino, it works fine, just gets no lock because of the current limitation.
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[16:28] <fsphil> it's quite picky about its voltage
[16:30] <Hibby> 3.3 exactly seem good enough?
[16:31] <fsphil> should be
[16:31] <Hibby> unless it's serial voltage, but that wouldn't explain why it responds when drawing power from an arduino but not an ldo reg
[16:31] <fsphil> if there is not enough current, the voltage would drop
[16:32] <fsphil> serial voltage?
[16:33] <Hibby> 3.28 volts powering the gps, being fed from a vreg attached to 3xAA batteries, serial voltages at send and receive are sitting at 4.28V
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[16:33] <fsphil> that's not right
[16:34] <fsphil> are you connecting this directly to a serial port?
[16:34] <Hibby> TX/RX serial port on an arduino mega.
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[16:36] <fsphil> hmm.. should be ok, I think it's tolerant of 5v ttl
[16:39] <fsphil> though the datasheet doesn't say
[16:39] <Hibby> aye, which is why I'm bouncing my head off the wall. If it was one unit misbehaving, I'd accept that as being a dodgy unit, but because it's two giving me identical errors, i just can't see where the issue is.
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[16:42] <fsphil> is the arduino and ldo connected at all?
[16:42] <fsphil> they should at least have a common ground
[16:43] <Hibby> nope, currently arduino's pulling power from a pc... Might be a start
[16:44] <Hibby> reckon I'll be alright just wiring arduino gnd to ldo gnd?
[16:44] <fsphil> yep
[16:44] Action: Hibby really should be able to make the assessment on his own, being an electrical engineer and all, but has set fire to many things due to wrongly assuming similar things in the past
[16:45] <fsphil> fires are sometimes good ... :)
[16:45] <fsphil> though not from a gps module
[16:45] <SpeedEvil> 'fire pretty'
[16:46] <Hibby> oh, that worked.
[16:46] Action: Hibby bounced face off table
[16:46] <fsphil> ooch
[16:47] <fsphil> poor table
[16:47] <Hibby> it gets a lot of abuse
[16:47] <fsphil> lol
[16:47] <fsphil> Mine would too but there's too many sharp objects on it
[16:48] <Hibby> haha, i have a space cleared...
[16:49] <Laurenceb_> http://www.spiegel.de/images/image-191816-galleryV9-nhjp.gif
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[17:04] <NigeyS> hey Zuph
[17:04] <Zuph> hey NigeyS
[17:04] spacefelix (809ecabb@gateway/web/freenode/ip.128.158.202.187) joined #highaltitude.
[17:05] <NigeyS> how's things dude ?
[17:05] <spacefelix> 3.14159
[17:06] <NigeyS> pie!
[17:06] <fsphil> mmm
[17:07] <spacefelix> I advocate the tau!
[17:07] <spacefelix> http://tauday.com/
[17:07] <fsphil> tau does make more sense
[17:08] <fsphil> plus you get two pies
[17:08] <spacefelix> And the talents of this fine young lady: http://www.youtube.com/watch?v=bUGjUCHSKLM
[17:08] <Hibby> (ln(-1))/i
[17:08] <spacefelix> *headasplodes*
[17:09] <Hibby> that's the value of pi
[17:09] <Hibby> :)
[17:09] <staylo> PI is exactly 3!
[17:09] <SpeedEvil> But 3! is 6
[17:09] <fsphil> haha
[17:10] <fsphil> !3 is 6
[17:10] <spacefelix> Hehehe
[17:10] <spacefelix> http://en.wikipedia.org/wiki/Indiana_Pi_Bill
[17:10] <Hibby> could argue that pi is also equal to 2(cot^-1(0))
[17:10] <spacefelix> The Pi Bill. :PPP
[17:12] <fsphil> google says 6 ! = 720
[17:12] <fsphil> lovely
[17:13] <SpeedEvil> Google exploded when I asked what 720! was
[17:15] <NigeyS> À = 4/1.25 = 3.2, and that 2 = 10D7 H 1.429
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[17:15] <NigeyS> wtf
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[17:31] <spacefelix> LOLOLOL!
[17:31] <spacefelix> 1+1 = 3 for very large values of 1, why? Because I said so. :C
[17:32] <spacefelix> NigeyS: Remind me not to show you the article about the school board putting the rule that math classes no longer had to be exact, e.g. 1 + 1 = [1,3] was an acceptable answer. :C
[17:32] <Elwell> google goes up to 170!
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[17:38] <fsphil> bing only manages 100!
[17:38] <fsphil> man that's an awful name for a website
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[18:00] <russss> as ever Wolframalpha wins for this: http://www.wolframalpha.com/input/?i=999999!
[18:01] <russss> I think it starts using an approximation after about 10000!
[18:01] <russss> but it knows that last non-zero digit.
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[18:50] <Laurenceb> *brain explosion*
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[18:54] <NigeyS> http://www.bbc.co.uk/iplayer/episode/b00ymjkt/Around_the_World_in_60_Minutes/
[18:54] <NigeyS> very good programme
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[18:56] <mattltm> Hi all :)
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[18:57] <NigeyS> hi matt
[18:57] <mattltm> Howdy :)
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[19:03] <fsphil> ello
[19:05] <Laurenceb> http://www.ustream.tv/channel/%E3%82%AC%E3%82%A4%E3%82%AC%E3%83%BC%E3%82%AB%E3%82%A6%E3%83%B3%E3%82%BF
[19:06] <Upu> got on what is it ?
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[19:06] <Upu> oh a gieger counter
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[19:07] <fsphil> NigeyS, they appear to be orbiting backwards :)
[19:07] <MrCraig> hi all
[19:07] <NigeyS> that's what ive been thinking!
[19:09] <Upu> whats a normal back ground cpm ?
[19:09] <Laurenceb> dunno
[19:09] <SpeedEvil> Depends on the meter.
[19:09] <Laurenceb> its in tokyo
[19:10] <Upu> Here in Cornwall UK on top of the Carnmellis Granite the background averages
[19:10] <Upu> between 45 and 60 CPM
[19:10] <Upu> Best to move to Tokyo
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[19:12] <Upu> In perspective : People who died as a direct result of Chernobyl : 28
[19:12] <Upu> Around 5.4 million deaths a year are caused by tobacco
[19:13] <Upu> more people die fishing every year 641 in 10 years
[19:13] <Upu> statistics statistics satistics
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[19:17] <SpeedEvil> More people have been killed in america by the japanese earthquake than will likely die due to radiological contamination so far.
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[19:58] Action: NigeyS buys smea a new internet connection
[19:59] <fsphil> oh please do
[19:59] <fsphil> lol
[19:59] <NigeyS> lol #
[19:59] <NigeyS> oops -#
[19:59] <NigeyS> meh i got to set up a lamp server :(
[20:00] <fsphil> could be worse, could be wamp
[20:00] <NigeyS> dear god no lol
[20:00] <fsphil> or wisa
[20:00] <NigeyS> :o blasphemy!
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[20:03] <Hiena> Today, i saw an variometer booting. Also the owner said sometimes, it needs to be reset in the air.
[20:05] <NigeyS> speaking of air
[20:05] <fsphil> Last weekend I saw a satnav crash, and was quite shocked to discover it was running windows
[20:05] <NigeyS> http://www.freepatentsonline.com/2906125.pdf
[20:05] <NigeyS> interesting
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[20:06] <mattltm> sudo apt-get install lamp-server^
[20:07] <mattltm> Thats why I love Ubuntu :)
[20:07] <NigeyS> haha yush but this is a home box for vlc-shares its running gentoo
[20:08] <mattltm> Booooo!
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[20:08] <NigeyS> :p
[20:08] <fsphil> fedora ftw :)
[20:09] <mattltm> fsphil: I just killed my 857 :)
[20:09] <NigeyS> so.. weve had earthquake, tsunami, volcano, almost nuclear meltdown, whens the asteroid strike due?
[20:09] <fsphil> !!!!!!!
[20:09] <mattltm> Turns out it will run on 16.8V but not very well :p
[20:09] <NigeyS> lol oh dear matt
[20:09] <fsphil> dead dead? or just injured?
[20:10] <mattltm> CPU reset seems to have fixed it. It was +70kh shift on TX!
[20:10] <fsphil> how'd you end up feeding it 16.8v?
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[20:10] <Hiena> NigeyS, if you wish, i'll do some calls for you. ;)
[20:11] <mattltm> On the plus side, I now know that I need to regulate my LiPO batery doen to 13.8 :)
[20:11] <NigeyS> Hiena, sure :P
[20:11] <mattltm> I'm trying to get it running from a LiPO fsphil.
[20:11] <fsphil> ahh
[20:11] <fsphil> oochy
[20:12] <mattltm> Thought it may have been able to handle a full 14.8 LiPO without any complications.
[20:12] <fsphil> I worry even with the voltage is at 13.8
[20:12] <mattltm> supply range is 13.8 +/- 15%
[20:13] <mattltm> Should have tested the LiPO BEFORE plugging it in :p
[20:13] <fsphil> a good bit fussier than the 817
[20:14] <mattltm> So... What is the best way to drop 16.8 to 13.8?
[20:14] <Hiena> Btw, the guys at the club, cleaned the hangar. Took me about two hours to find my harness. My glider still missing.
[20:14] <SpeedEvil> mattltm: Got a 7812?
[20:14] <SpeedEvil> Add a couple of diodes on the 'ref' pin
[20:14] <mattltm> Not in the shop but I could get one.
[20:15] <SpeedEvil> Or a actual adjustable reg of course.
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[20:15] <mattltm> Need to be able to draw 10A
[20:15] <SpeedEvil> A couple of diodes then
[20:16] <SpeedEvil> 13.8*1.15=15.8
[20:16] <mattltm> Lol - Uh hu!
[20:16] <mattltm> I was ONLY 1v out :)
[20:17] <SpeedEvil> You also need an undervoltage cutout to kill theradio at12V
[20:17] <Hiena> SpeedEvil, the forward voltage is related to the cuttent. At 10Amps, it much higher than 0.6V.
[20:17] <SpeedEvil> (4*3)
[20:17] <SpeedEvil> Hiena: Somewhat - nominal voltage of diodes tends tobe 1V
[20:18] <SpeedEvil> (non shottky)
[20:18] <mattltm> I have a LiPO warning buzzer that cuts in at 13.2.
[20:18] <Hiena> Much like 1.5 or more. I would rather make a switching regulator than burn 10W for nothing.
[20:19] <SpeedEvil> Hiena: 1V according tomost every datasheet I've seen.
[20:19] <mattltm> So a 7812 should handle 10A of current?
[20:19] <fsphil> several of them maybe
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[20:19] <SpeedEvil> matt: no - it will only handle ~1.5
[20:19] <mattltm> Naa... Onle and a water cooled heatsink :)
[20:19] <mattltm> *one
[20:20] <fsphil> just watch the water level or you'll end up with a melt-down
[20:20] <mattltm> So six?
[20:20] <mattltm> Lol @ fsphil
[20:20] <fsphil> that's going to put up some amount of heat
[20:20] <fsphil> up-out
[20:21] <mattltm> At least I won't get cold when doing SOTA :)
[20:21] <fsphil> ooh good point
[20:21] <SpeedEvil> mattltm: Is this 10A constant, or 10A rarely?
[20:22] <mattltm> 10A @ 10% duty would be a good guess
[20:22] <mattltm> Maybe 30 seconds at a time.
[20:22] <mattltm> 1A all other times.
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[20:25] <NigeyS> hey Zuph
[20:26] <mattltm> Any other ideas on how to drop 16.8 to 13.8?
[20:27] <Zuph> hey NigeyS
[20:27] <NigeyS> how goes it ?
[20:28] <SpeedEvil> mattltm: If you want a linear regulator, the 'right' way is a 10A LDO regulator set at 15.8
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[20:28] <SpeedEvil> This will bealmost as efficient as a switch-mode solution.
[20:29] <Laurenceb> SpeedEvil: did you see this - http://redlum.xohp.pagesperso-orange.fr/laser/modeanalysis.html
[20:29] <mattltm> Cool. So I just need to source one.
[20:31] <Laurenceb> some of those coherence lenghts are long enough for possible ranging use
[20:32] <Hiena> mattltm, try this one http://www.national.com/pf/LM/LM5118.html#Overview
[20:32] <SpeedEvil> Hmm - 10A regulators typicallyonly go up to 8V or so.
[20:33] <SpeedEvil> http://search.digikey.com/scripts/DkSearch/dksus.dll?Cat=2556703
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[20:33] <SpeedEvil> Transistor drivers OTOH
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[20:35] <SpeedEvil> http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=576-2356-ND - for example.
[20:35] <SpeedEvil> And a random large FET on a heatsink
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[20:37] <mattltm> Hummm
[20:38] <SpeedEvil> Sorry I'mnotbeing very helpful - mostly wiped out due to moving 8m^4 of kingspan.
[20:38] <SpeedEvil> ^3 even
[20:38] Action: SpeedEvil wonders what ^4 would be.
[20:39] <mattltm> No probs :)
[20:39] <Laurenceb> hyperkingspan
[20:39] <Laurenceb> http://www.theregister.co.uk/2011/03/15/inside_the_ipad_2/
[20:39] <SpeedEvil> mad.
[20:39] <SpeedEvil> 0.6mm glass.
[20:40] <Laurenceb> me doesnt follow where the ram is
[20:40] <Laurenceb> multi chip module?
[20:40] <Laurenceb> presumably the glass is reinforced by the lcd
[20:42] <SpeedEvil> It's on top of the chip.
[20:42] <Laurenceb> oh
[20:42] <SpeedEvil> This is common - my phone for example does it.
[20:42] <Laurenceb> crazy
[20:42] <SpeedEvil> It's a multi-layer BGA
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[20:42] <Laurenceb> using ultrasonic bonding ?
[20:42] <SpeedEvil> No. Solder.
[20:42] <Laurenceb> or wafer level interconnects
[20:43] <Laurenceb> oh simple
[20:43] <Laurenceb> i was ripping open a dead adxl345 the other day
[20:43] <Laurenceb> it seems to use a thin layer of FR4 across the bottom, then wire bonded sensor die
[20:44] <SpeedEvil> hmm
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[21:30] <MrCraig_droid> Cool, android irc client and usb keyboard. :-)
[21:30] <MrCraig_droid> erm bluetooth keyboard even
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[21:39] <Lunar_Lander> hello
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[21:42] <MrCraig> hi Lunar_Lander
[21:43] <Lunar_Lander> hi MrCraig
[21:44] <MrCraig> Just here foolin' with some tech today - out of pain for the first time in 5 days so taking it easy
[21:45] <Lunar_Lander> that's good to hear
[21:45] <MrCraig> yeah - it was driving me crazy. Couldn't think for a lot of the time.
[21:46] <Lunar_Lander> headache?
[21:46] <MrCraig> teeth
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[21:46] <MrCraig> so yeah, head too
[21:48] <SpeedEvil> TENS++
[21:49] <SpeedEvil> Last time I had bad tooth pain, TENS cured it.
[21:49] <Lunar_Lander> oh
[21:49] <SpeedEvil> Or - more technically - 5-9V squarewave at about 50-500Hz or so.
[21:49] <MrCraig> anyone know off the top of their head how to remove a service (such as appache or mysqld) from the init process on *nix?
[21:49] <SpeedEvil> And a couple of spoons, and cling-film.
[21:49] <MrCraig> That doesn't sound pleasent SpeedEvil
[21:50] <SpeedEvil> MrCraig: If this was slackware - it'd be in /etc/rc.d/rc.httpd
[21:50] <SpeedEvil> probably
[21:50] <MrCraig> it's a blend of gentoo actually but that sounds right
[21:50] <SpeedEvil> If you start at 0V, and wind up the voltage, you never really feel more than a tingle. (with it applied across the tooth)
[21:50] <Laurenceb> do you run slackware?
[21:50] <SpeedEvil> yes
[21:51] <Laurenceb> thats pretty hardcore :P
[21:51] <SpeedEvil> But the pain goes from 'OMG' to 'this feels a bit odd'
[21:51] <SpeedEvil> and it lasts several hours.
[21:51] <Laurenceb> slackware is like that
[21:51] <MrCraig> lol
[21:51] <fsphil> haha
[21:51] <Lunar_Lander> xD cool
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[21:56] <NigeyS> you should all be running LFS !
[21:56] <jcoxon> evening
[21:56] <NigeyS> evening james
[21:57] <MrCraig> evening
[21:57] <SpeedEvil> Last time I sort-of-did LFS was with a beeg perl script to check dependancies and generate a minimal FS
[21:57] <NigeyS> eugh that sounds painful
[21:57] <SpeedEvil> It was to fit X+browser+networking on a single floppy.
[21:58] <SpeedEvil> This was, needless to say, not recently.
[21:58] <NigeyS> i went the hardcore way and did a fully manual compile.. the toolchain alone was a horror!
[21:58] <SpeedEvil> And the browser was lynx, with the fat taken out.
[21:58] <NigeyS> lynx is fun
[21:58] <SpeedEvil> Embedded is a whole nother heap of fun.
[21:58] <NigeyS> :p
[21:58] <SpeedEvil> I currently have a parrot photoframe (along with some others).
[21:59] <SpeedEvil> Building stuff for it is fun.
[21:59] <SpeedEvil> (not got round to it yet)
[21:59] <Laurenceb> i eventually got that to compile
[21:59] <Laurenceb> was a massive pita
[21:59] <NigeyS> lol so i hear
[21:59] <SpeedEvil> yeah - it's messy.
[21:59] <Laurenceb> very nice now it runs
[21:59] <SpeedEvil> What are you running on it?
[22:00] <Laurenceb> just some demos
[22:00] <Laurenceb> with Wii controller
[22:00] <SpeedEvil> Ah.
[22:00] <Laurenceb> i need to get Doom running
[22:00] Action: SpeedEvil ponders his old microwave.
[22:00] <SpeedEvil> I want to get it working again.
[22:00] <SpeedEvil> But the controller is basically fucked.
[22:01] <fsphil> A had Doom running on my Amiga 1200 once .. just a few frames per second
[22:02] <fsphil> A/I
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[22:19] <MrCraig> Was it Doom or Gloom?
[22:20] <MrCraig> I picked up a C64 today, complete with mk1 datasette, mk2 floppy, and several cartridge games
[22:20] <MrCraig> it's in my boot awaiting a test play :)
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[22:48] <Laurenceb> eeek
[22:48] <Laurenceb> looks like fuel pond might be effected by fire
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[22:57] <Laurenceb> people keep going on about the reactors but surely the fuel is just as dangerous, and no containment
[22:57] <natrium42> < Laurenceb> looks like fuel pond might be effected by fire
[22:57] <natrium42> et tu, brutus
[22:57] <Laurenceb> lol
[22:57] <Lunar_Lander> hello natrium42
[22:58] Action: Laurenceb cant type
[22:58] <natrium42> hi
[22:58] <SpeedEvil> The fuel is not as dangerous.
[22:58] <SpeedEvil> It's - presumably - been cooling off for some weeks or months.
[22:58] <jcoxon> evening natrium42
[22:58] <natrium42> hey james
[22:58] <SpeedEvil> So most of the hot isotopes are decayed.
[22:58] <natrium42> how are spot hacks?
[22:59] <jcoxon> natrium42, yeah - working as a breadboard
[22:59] <natrium42> awesome
[22:59] <Lunar_Lander> I think the mining of the uranium ore needs to be improved too
[22:59] <jcoxon> just waiting on some bits to minimise it down to
[22:59] <Lunar_Lander> nobody cares about the workers in Africa and Russia
[22:59] <jcoxon> fit into the SPoT case
[22:59] <jcoxon> natrium42, still thinking about how to encode altitude
[22:59] Action: natrium42 gives jcoxon a spool of magnet wire and epoxy
[23:00] <jcoxon> Help message isn't perfect
[23:00] <natrium42> why not?
[23:00] <natrium42> i fit 5 raw bytes into lat/lon
[23:00] <jcoxon> as if you press the button it keeps on sending
[23:00] <natrium42> you can press it again
[23:00] <natrium42> to turn off
[23:01] <jcoxon> its true
[23:01] <natrium42> or maybe it's best to just power cycle the entire spot
[23:01] <jcoxon> the other issue is the gap between lat/lon being sent
[23:01] <jcoxon> and hte altitude
[23:01] <natrium42> yes, that's the problem
[23:01] <natrium42> but it could be interpolated
[23:02] <jcoxon> true
[23:02] <jcoxon> doesn't help our track
[23:02] <natrium42> what about sending one OK message followed by HELP message
[23:02] <natrium42> without any delay
[23:02] <natrium42> and repeat those tuples every 5-10 mins
[23:02] <jcoxon> yeah that might be best
[23:02] <natrium42> maybe the system can handle that
[23:02] <jcoxon> need to wire up the HELP button
[23:03] <natrium42> jcoxon: i'd run a dedicated script o do spot stuff and send complete data to tracker
[23:03] <jcoxon> i was also thinking just doing tracking
[23:04] <jcoxon> so the SPoT device will just request nmea every 10mins
[23:04] <natrium42> you can linearly interpolate alt at positions using timestamps
[23:04] <jcoxon> timestamps are relative to the message being received aren't they
[23:04] <natrium42> at the satellite
[23:05] <jcoxon> well we can just tx the same lat
[23:05] <natrium42> so it's quite good, there is little lag
[23:05] <jcoxon> so tx lat/lon then lat/alt
[23:05] <natrium42> oh, right
[23:05] <natrium42> well, you can match it up if it's received within expected window
[23:05] <natrium42> otherwise you assume that the corresponding lat/lon was lost
[23:05] <jcoxon> yes
[23:06] <jcoxon> i assume reception in flight will be good
[23:06] <natrium42> yeah, it should be
[23:07] <jcoxon> so perhaps if we assume a 20mins cycle
[23:07] <jcoxon> use tracking, first round lat/lon, second round lat/alt
[23:08] <natrium42> right, don't even need to send lat the second time
[23:08] <jcoxon> yes true
[23:08] <natrium42> could be lat/lon then temp/alt
[23:09] <jcoxon> very true
[23:17] <jcoxon> natrium42, its not a cheap hack :-p
[23:21] <natrium42> but awesomeQ
[23:21] <natrium42> bbl
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[00:00] --- Wed Mar 16 2011