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Powered vs gliding reentry - weight penalty by Earl Colby Pottinger
(MattWriter) : Any spacecraft designed to return to Earth under control (as opposed to ballistic reentry) has to carry a substantial...
December 23rd 03 12:42 AM
by Earl Colby Pottinger Go to last post
8 408
RLV physicaly impossible ? by Paul Spielmann
I am really amazed by all these optimistic people trying to do rlvs and i belive in these peoples cause! however it strikes me that these people all seem a bit...
(Multi-page thread 1 2 3)
December 22nd 03 01:29 AM
by Earl Colby Pottinger Go to last post
22 684
Peroxide biprop ignition by Oren Tirosh
Some methods I've seen mentioned for peroxide biprop ignition a Decompose the peroxide with catalyst pack. Pyrotechnic igniter in the chamber. Dissolve...
(Multi-page thread 1 2 3)
December 16th 03 03:11 AM
by Allen Meece Go to last post
20 1,041
white knight: air-launched sst by gg
Would a supersonic jet the size of the spaceship-one gain much performance by being launched from underneath the white-knight from 48,000ft? Toby
December 15th 03 11:23 PM
by gg Go to last post
4 419
Improved Isp Rocketry II by Mike Miller
Two questions this time: 1) Is it possible to get kerosene-LOX or propane-LOX to 395Isp? I've seen numbers around 360 on www.astronautix.com . 2) How...
December 15th 03 12:44 PM
by Mike Miller Go to last post
6 850
This is the most important CATS post ever! by Andrew Nowicki
The technology described in this post has not been tested, but it looks trivial when compared to rocket launchers, and it may reduce the cost of space access...
(Multi-page thread 1 2 3)
December 15th 03 11:59 AM
by Jan C. Vorbrüggen Go to last post
21 802
sci.space.tech and sci.space.science Frequently Asked Questions (FAQ) by s.s.t moderator
This is the weekly Frequently Asked Question (FAQ) posting for sci.space.tech and sci.space.science . It is crossposted into sci.space.policy to explain...
December 14th 03 12:01 PM
by s.s.t moderator Go to last post
0 383
Anniversaries by Oren Tirosh
As everyone knows, in four days it will be the 100th anniversary of the Wright brother's first powered human flight. Tomorrow, however, will be a somewhat...
December 13th 03 09:03 PM
by Oren Tirosh Go to last post
0 292
Astrometry by Roger Stokes
I understand that the large and expensive Gaia astrometry satellite will achieve very accurate stellar parallaxes from (I believe) the L2 point - which still...
December 12th 03 10:01 PM
by Henry Spencer Go to last post
2 313
Delta IV Heavy - FRF? by Reed Snellenberger
I haven't seen anything posted on this -- has a flight readiness firing been scheduled for the Heavy before it launches? -- Reed
December 12th 03 03:19 PM
by Reed Snellenberger Go to last post
0 467
Satellite to Satellite communication ? by Norris Watkins
Hello: 1. When you make an international phone call - say from NY to China - how does the voice data travel ? Does it have to be send to the satellite and then...
(Multi-page thread 1 2 3 ... Last Page)
December 12th 03 10:06 AM
by Pascal Bourguignon Go to last post
46 1,881
Space radiation and tourism beyond LEO by Vincent Cate
I got an account on SPENVIS at http://www.spenvis.oma.be/spenvis/ and have generated some radiation shielding data and graphs. You tell it what orbit apogee...
(Multi-page thread 1 2)
December 11th 03 07:49 PM
by Mike Miller Go to last post
14 737
Simulating Van Allen Particles by Vincent Cate
I added the ability to simulate a charged particle moving in the Earth's magnetic field to my simulator. This lets you look at the motion of particles in the...
December 11th 03 05:57 AM
by Matthew Montchalin Go to last post
8 429
Space craft operating system programming language? by Christopher
The recent post regarding os say it is Flight Linux. Are the spacecraft systems computer programs written in C? Christopher +++++++++++++++++++++++++ "Kites...
December 10th 03 02:49 PM
by Christopher Go to last post
8 943
Beagle 2 landing sequence - how? by Abdul Ahad
With Beagle 2 separation from Mars Express and entry, descent & landing at Isidis Planitia just 2 weeks away... I just have a couple of technical questions for...
December 10th 03 11:55 AM
by Doug Ellison Go to last post
2 725
hydrogen dissolved in hydrocarbons by Roger Stokes
I googled recently that hydrogen will dissolve in hydrocarbons such as decane when under pressure (and I can't find it again now!). It was unclear to what...
December 9th 03 10:02 PM
by Iain McClatchie Go to last post
6 305
Gravity Variant on a Tether by TangoMan
My questions concerns the gravity gradient on an orbiting tether, let's say 1,000 km long. The center of mass for the tether would determine its orbital...
December 9th 03 07:16 PM
by Henry Spencer Go to last post
6 494
Operating systems used in spacecraft? by Grem
Which operating system/systems are used in spacecrafts? Has FlightLinux been implemented yet; and if not how far in the testing are they? Any information on...
(Multi-page thread 1 2 3 ... Last Page)
December 9th 03 01:10 AM
by Derek Lyons Go to last post
66 2,807
sci.space.tech and sci.space.science Frequently Asked Questions (FAQ) by s.s.t moderator
This is the weekly Frequently Asked Question (FAQ) posting for sci.space.tech and sci.space.science . It is crossposted into sci.space.policy to explain...
December 7th 03 12:01 PM
by s.s.t moderator Go to last post
0 560
Medusa? by James Nicoll
Can anyone point me to a decent source for this pulsed fusion system? -- "The Union Nationale has brought to the edge of an abyss. With Social Credit you will...
December 5th 03 10:04 PM
by Ian Stirling Go to last post
6 486
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