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Interesting Trajectory Problem by Ian Stirling
Charles Talleyrand wrote: I'm sure you all remember Cavorite. It blocks the force of gravity. In the book, our hero makes a space...
December 31st 03 12:54 PM
by Ian Stirling Go to last post
3 324
Mass of Soyuz stages at burnout - fuel left? by Josh Gigantino
(Josh Gigantino) wrote in message ... I am trying to find out how much extra LOx and...
December 30th 03 09:27 PM
by Henry Spencer Go to last post
1 398
Nexus Rocket Engine Test Successful; 10 Times More Thrust Than Deep Space 1 Engine and Lasts 3 Times Longer (10 years) by [email protected]
Does anyone know how much this engine would cut down the time to a Mission to Mars. If such a mission could take 2 to 3 weeks then gentleman I'm convinced that...
December 30th 03 07:44 PM
by Alex Terrell Go to last post
5 761
Lagrangian orbital oddity by Jim McCauley
Imagine drawing an equilateral triangle with its base between Earth and the Moon and its apex at, say, L4. Now rotate the triangle about its base "north" of...
December 29th 03 08:35 PM
by Jim McCauley Go to last post
0 427
Artificial sunlight? by Christopher
In several experiments conducted by NASA and by the Russians plants were grown indoors using an artificial light. What type of light was used that produces...
(Multi-page thread 1 2)
December 27th 03 02:07 PM
by Christopher Go to last post
13 662
Improved Specific Impulse Rocket Engines by Mike Miller
Looking only at the vacuum specific impulse of plain hydrogen-oxygen rockets, is it possible to advance their specific impulse to 500, or even 520? For...
(Multi-page thread 1 2)
December 24th 03 06:50 AM
by Christopher M. Jones Go to last post
12 1,011
Anniversary of sorts just past by George William Herbert
I had thought I remembered that the first posts in the then-brand-new sci.space reorg groups went out in early January 1994, but reviewing Google records found...
December 24th 03 04:49 AM
by Josh Gigantino Go to last post
6 354
Cheap, easy to handle fuels/oxidizers by Earl Colby Pottinger
John Cramer's latest breakthru is adding an alcohol to 50% peroxide to make a cheap, easy to handle, easy to buy mono-propellant for his rockets. Does anyone...
(Multi-page thread 1 2 3 ... Last Page)
December 23rd 03 01:04 AM
by MONTMACH Go to last post
41 2,189
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
8 534
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
22 868
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 1,256
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
4 535
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
6 969
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 1,031
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
0 493
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
0 385
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
2 408
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
0 588
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 2,172
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
14 910
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