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Could Columbia have been Saved? by Andrew Gray
In article , Joann Evans wrote: Second, even if it did, the crew would have to know or suspect that there was a...
July 15th 03 08:29 PM
by Ken S. Tucker Go to last post
4 1,082
Prices on Ion Drives or Hall Thrusters? by Vincent Cate
Heinrich Zinndorf-Linker wrote in message ... OK, buy them in Germany, instead. The Germans will...
July 14th 03 11:52 PM
by John Schilling Go to last post
3 3,245
Sun-sync orbit? by MattWriter
The DARPA solicitation for the new FALCON small launch vehicle program specifies the requirement to put a satellite in "sun synchronous orbit" at 450 km at "79...
July 14th 03 10:31 PM
by Henry Spencer Go to last post
1 677
Specific heats at high pressure by Iain McClatchie
I just got the book "Mechanics and Thermodynamics of Propulsion", mostly on the recommendations found in the sci.space.tech archives. I turned to Appendix 2...
July 14th 03 07:55 PM
by Ian Woollard Go to last post
4 1,117
can earth based lasers and electromagnetic tethers by Ian Stirling
Tony Rusi wrote: put the ISS in the inclination as the moon? Yes, (assuming you meant "same inclination") but there would be...
July 14th 03 05:54 PM
by Tony Rusi Go to last post
7 847
F2/H2 vs H2/O2 specific impulse: why fluorine is higher ? by Henry Spencer
In article , James Wentworth wrote: Didn't Vanguard's first stage use LOX/UDMH? -- Jason No, it was a...
July 14th 03 04:10 PM
by Henry Spencer Go to last post
0 772
self healing outer skin by Harmon Everett
Awhile ago NASA was looking for projects to develop a "self healing skin" for long duration space vehicles. Does anybody know what is happening, or happened to...
July 14th 03 03:02 AM
by Harmon Everett Go to last post
0 996
New Scientist Article on Solar Sails by JimM
(Gordon D. Pusch) wrote in message ... (JimM) writes (in response to...
July 13th 03 11:16 PM
by Brian Davis Go to last post
6 1,303
Had earth have been denser planet than it is... by Henry Spencer
In article , Christopher wrote: (The archetypal example of big rocket with tiny payload because...
July 13th 03 10:11 PM
by Jordin Kare Go to last post
1 1,018
1 Lensjet by johnhare
An acceleration jet needs more low velocity thrust to be useful in the boost role than on the high end where the high altitude rocket engines can be expected...
July 13th 03 07:47 PM
by johnhare Go to last post
0 1,231
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...
July 13th 03 12:03 PM
by s.s.t moderator Go to last post
0 1,059
'In orbit' inspection craft.. by [email protected]
"Andrew Thompson" wrote: After reading some of the recent discussions re the shuttle loss I began to wonder at the practicality...
July 12th 03 05:19 PM
by Ian Stirling Go to last post
5 1,228
Manned mission to Jupiter? by Christopher
On 08 Jul 2003 16:22:04 GMT, (TKalbfus) wrote: How about burrowing into a captures asteroid or comet, the low point of whose orbit comes...
July 12th 03 04:47 PM
by Karl Hallowell Go to last post
2 1,495
Lens Turbojet for Acceleration by johnhare
Turbojets historically have been constantly improved in the direction of improved specific fuel consumption (SFC vs Isp for rockets). Thrust to weight has been...
July 12th 03 10:08 AM
by James Wentworth Go to last post
1 1,146
Nuclear rocket engine 11B91-IR-100 from Russia by Dr.Ph. Ponomarenko A.V.
The book J.G.Demjanko, A.S.Koroteyev's , etc. " Nuclear Rocket Engines ", 2001 is published in Russia.. This book is interesting that it data...
July 12th 03 09:45 AM
by Dr.Ph. Ponomarenko A.V. Go to last post
0 1,408
V2 used film cooling by Vincent Cate
I am reading "Rockets, Missiles, and Men in Space" by Willy Ley, and was amazed to read that the V2 used "film cooling" or "transpiration". It had 4 rows of...
July 11th 03 09:48 PM
by Vincent Cate Go to last post
0 1,217
Columbia Wing Breach by Roger Stokes
Here's a thought for future space shuttle launches...Spray the leading edges of the wings with the same foam as the tank. During launch, it would...
July 11th 03 12:11 PM
by Joann Evans Go to last post
2 1,171
Rocket Science Equation Problems by rlv_maker
Hi i am a 'newbee' at rocket science but i have begun to make plans for a rlv rocket, intended for people travel to space. But i have a problem calculating...
July 11th 03 03:05 AM
by gbaikie Go to last post
1 1,136
could we shine a laser on this new solar system and detect somethingin 180 years? by [email protected]
Tony Rusi wrote: http://news.independent.co.uk/world/science_medical/story.jsp?story=421468 Not practically. It's is only just possible to detect a laser...
July 10th 03 04:54 PM
by [email protected] Go to last post
0 1,243
UK members: When is re-schedule of BBC's OU programme on Beagle 2? by Z
Anyone know when the BBC will re-broadcast it's Learning Zone programme about Beagle 2. I saw most of it the first time round but didn't record the...
July 9th 03 07:18 PM
by Z Go to last post
0 1,078
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