highaltitude.log.20080501

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[12:40] <Hiena> Good evening!
[12:55] <Laurence2> theres a trace missing on my batchpcb boards :-(
[12:56] <Laurence2> its there on the DRC bot email from them
[12:56] <Laurence2> but not on the board :-/ Time to ask for a refund
[12:57] <Laurence2> its actually quite easy to fix with a wire jumper, but I shouldnt have to resort to that
[12:58] <Laurence2> the incompitent muppets
[13:00] <Laurence2> bbl
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[19:51] <edmoore> hi jcoxon
[19:56] <Hiena> Anybody knows some good XML parser?
[19:57] <Hiena> I need create some txt files, from the given XML entities.
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[20:43] <jcoxon> hey edmoore
[20:45] <edmoore> ello
[20:45] <natrium42> hey edmoore
[20:45] <edmoore> ello natrium42
[20:45] <jcoxon> my internet connection is worse then carrier pigeon
[20:45] <natrium42> ca va?
[20:45] <jcoxon> that said irc just works due to its old school nature
[20:46] <jcoxon> oh i'm on placement at a hospital
[20:48] <edmoore> so the packet latency is measured in hours?
[20:48] <edmoore> Today i identified another 476 bits of engineering i didn't know but need to for my exams
[20:48] <edmoore> I give up
[20:50] <edmoore> I also thought about the N-prize a lot
[20:50] <edmoore> I think I might get a tattoo of the rocket equation
[20:55] <edmoore> jcoxon: should have a transcript of this coming in through his window on parchment any second now
[20:57] <natrium42> edmoore, rockets are the only way to go, right?
[20:58] <edmoore> not necessarily
[20:58] <edmoore> but I think getting a benchmark rocket design is useful
[20:58] <edmoore> I mean they're about the simplest (lightest) way of releasing chemically stored energy at this kind of scale
[20:59] <edmoore> I think, anyway
[21:00] <edmoore> and I'd quite like to put omething useful in orbit
[21:00] <edmoore> i.e. not just a corner reflector
[21:00] <edmoore> or a pellet
[21:00] <edmoore> what do you think?
[21:01] <natrium42> how much would it cost to launch a small satellite, you think?
[21:01] <edmoore> £999 :D
[21:01] <natrium42> :P
[21:01] <edmoore> that's the challenge
[21:01] <edmoore> I dunno
[21:01] <natrium42> the rocket nozzles alone will be more than that
[21:01] <edmoore> I mean it could conceivably be done for that
[21:01] <edmoore> not necessarily
[21:01] <edmoore> if you machine it all yourself
[21:01] <edmoore> i know ehere to get graphite surplus from old electrodes, for nuthin
[21:02] <edmoore> time is money, except when you got no money, as the saying goes
[21:02] <edmoore> also this assumes we're getting at least a few of the stages back
[21:03] <edmoore> the basic question is how much amonium perchlorate can £999 get you
[21:03] <natrium42> would it be gimbaled?
[21:03] <edmoore> to which i hope the answer is 'enough'
[21:03] <natrium42> hee
[21:03] <edmoore> it would be gimballed
[21:03] <natrium42> one l :P
[21:03] <edmoore> if the stages are non recoverable, the £999 figure goes out the window
[21:04] Action: natrium42 slaps edmoore around a bit with grammar
[21:04] <edmoore> or at least leans perilously close. not quite ready to chuck it just yet
[21:04] <edmoore> i need a grammar slap every now and again
[21:04] <natrium42> servos are quite expensive too
[21:04] <edmoore> if we DIY all the actuators and control circuitry, and keep it all insanely simple, then there is still some potential
[21:04] <natrium42> you wouldn't be able to use R/C servos i assume
[21:05] <edmoore> I'm not sure I'd rate them
[21:05] <edmoore> but i won't dismiss them just yet
[21:05] <natrium42> what's the smallest rocket ever produced that could deliver anything to orbit?
[21:05] <natrium42> i would like to see what it looks like
[21:06] <edmoore> Whatever wins the n-prize, but to date, I'm not sure. good q, will have a look
[21:06] <edmoore> but bear in mind it would almost certainly not have been built with orbiting 10g in mind
[21:06] <edmoore> probably several kg
[21:07] <edmoore> adding 10g means an extra 10kg of solid fuel :s
[21:07] <natrium42> yah
[21:09] <natrium42> edmoore, could just steal a few russian ICBMs
[21:09] <edmoore> lol
[21:10] <natrium42> i bet it could be done reliably
[21:10] <edmoore> yeah it could well be something like that
[21:10] <edmoore> oh very reliably
[21:10] <edmoore> but quite pricey
[21:10] <edmoore> what scares me is guidance for the final stage
[21:10] <edmoore> because the mass fraction will probably be not so great
[21:11] <edmoore> it could be the pegasus is the smallest
[21:11] <edmoore> that*
[21:13] <edmoore> http://astronautix.com/lvs/propilot.htm
[21:13] <edmoore> success rate isn't too hot though
[21:14] <edmoore> 900kg, jesus
[21:14] <edmoore> I had a mental ballpark max of 50kg in mind
[21:16] <natrium42> hehe
[21:16] <natrium42> you don't want to go to space?
[21:17] <edmoore> not on this thing :)
[21:17] <edmoore> right, cheese toastie o'clock
[21:17] <edmoore> bbl
[21:17] <natrium42> later
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[22:17] <fnoble> hello
[22:23] <edmoore> hi fnoble
[22:24] <edmoore> about to dissappear, but shout if shouting must be shouted
[22:24] <fnoble> nope, not really
[22:24] <edmoore> it's gym o'clock and i have just had a rockstar so am getting the shakes
[22:24] <fnoble> best get on it then
[22:24] <fnoble> shooo
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[23:46] <Laurence2> hi folks
[23:46] Nick change: Laurence2 -> Laurenceb
[23:47] <natrium42> o.m.g., b is 2nd letter in the alphabet
[23:47] <Laurenceb> lol
[23:47] <Laurenceb> hence 2 <--> b
[23:49] <natrium42> yes, yes :P
[23:49] <Laurenceb> lol http://www.oxfordmail.net/news/headlines/display.var.2238571.0.update_may_day_a_success.php
[23:51] <natrium42> why do they do it?
[23:51] <natrium42> is it customary in your country?
[23:52] <Laurenceb> yes :D
[23:53] <Laurenceb> http://msnbcmedia2.msn.com/j/msnbc/Components/Photos/070717/070717_oxford_hemd_6p.hmedium.jpg
[23:54] <Laurenceb> the problem is the water is only about 6' deep, hence broken legs
[23:59] Action: natrium42 has to select courses :/
[00:00] --- Fri May 2 2008