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Will the real Titan II 1st stage stand up by Larry Gales
In the past I have heard newsgroup posts about the Titan II first stage, that it had a gross mass of 269,000 lbs and an empty mass of 9000 lbs, which would...
August 28th 03 06:04 AM
by Larry Gales Go to last post
0 1,293
Low mass ratio SSTO by Ian Stirling
Zoltan Szakaly wrote: I spent the last few days reading past messages in this group on the subject of SSTO vehicles. It seems to me...
(Multi-page thread 1 2)
August 26th 03 07:16 PM
by Earl Colby Pottinger Go to last post
15 1,888
inefficient turbo-pumps and Isp by Greg
I am trying to understand some of the loss mechanisms in a modern rocket engine. In a staged combustion cycle rocket engine, there are losses in the turbine...
(Multi-page thread 1 2)
August 25th 03 09:33 PM
by George William Herbert Go to last post
10 1,796
Radiation shielding for hotel at GEO? by Richard Lamb
Wouldn't it be nice if there were water on the moon? ()Sorry - broken record effect)
August 25th 03 08:17 PM
by Harmon Everett Go to last post
7 1,339
Mixed monoprop gas generator? by Oren Tirosh
The inspiration for this idea comes from Armadillo's demonstration of the feasibility of using a mixed monoprop. A mixture of hydrogen peroxide + fuel + buffer...
August 25th 03 06:50 PM
by Henry Spencer Go to last post
1 1,321
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...
August 24th 03 12:03 PM
by s.s.t moderator Go to last post
0 1,281
Cost of science on probes? by Blurrt
Just wondering - in terms of a percentage - how much money is actually spent on the science instruments on a space probe? I know the launcher accounts for...
August 24th 03 02:38 AM
by Blurrt Go to last post
4 1,049
Telecomunication satellite by Doug Ellison
Raoul" wrote in message ... I was browsing thru the launch backlogs at...
August 23rd 03 09:04 AM
by Dave Michelson Go to last post
3 1,121
Telemetry and Command References? by Martin Sagara
Can anyone recommend a good textbook or reference on spacecraft telemetry and commanding? I've looked at the CCSDS handbooks but found them a little terse and...
August 23rd 03 04:48 AM
by John Q. Go to last post
1 1,950
Space Flight Demonstrator Completes Design Certification by Ron Baalke
Michael Braukus Headquarters, Washington August 21, 2003 (Phone: 202/358-1979) Dom Amatore Marshall Space Flight Center, Huntsville,...
August 21st 03 09:25 PM
by Ron Baalke Go to last post
0 1,514
The bomb fairy. by Ian Stirling
If you have a string of bombs spaced a second apart on a trajectory, is there a reason that you can't simply ride the stream with an orion, and constantly...
August 21st 03 03:41 PM
by Peter Fairbrother Go to last post
3 1,257
NASA Satellites Eye Forest Fires by Ron Baalke
MEDIA RELATIONS OFFICE JET PROPULSION LABORATORY CALIFORNIA INSTITUTE OF TECHNOLOGY NATIONAL AERONAUTICS AND SPACE ADMINISTRATION PASADENA, CALIFORNIA 91109....
August 20th 03 08:02 PM
by Ron Baalke Go to last post
0 1,600
Ion Engine Operation of Hayabusa - July 25, 2003 by Ron Baalke
http://www.isas.ac.jp/e/new/release/2003/07_02.html Ion Engine Operation of Hayabusa ISAS July 25, 2003 Launched on May 9, 2003, the asteroid explorer...
August 20th 03 07:15 PM
by Ron Baalke Go to last post
0 1,199
Rocket engine performance? by Christopher
Does the amount of heat in the exhaust have any bearing on the isp and amount of thrust the engine produces? i.e. the heat produced by the SSME is only a few...
August 19th 03 06:58 AM
by Christopher M. Jones Go to last post
3 1,312
Apollo-Style CRM looks ... GOOD! by Explorer8939
As long as no major contractor opts to study a capsule for the Orbital Space Plane program, capsules won't fly. All three OSP contractors have winged concepts.
August 18th 03 07:04 PM
by a.c.nijdam Go to last post
3 1,149
Flexible fuel tanks by Rüdiger Klaehn
Blurrt wrote: Wondering if flexible fuel storage tanks are possible? I'm thinking of a large volume tank that could be rolled away until needed. Thinking...
August 18th 03 10:46 AM
by Rogier Go to last post
2 1,285
Question: Soyuz Descent Module Landing System by John Pelchat
Hello. Can anyone provide any details about the sensor that is mounted on the base of the Soyuz descent module for detecting the approach of the vehicle to...
August 17th 03 03:35 PM
by John Pelchat Go to last post
1 1,166
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...
August 17th 03 12:03 PM
by s.s.t moderator Go to last post
0 1,289
Engines with good thrust to (fuel +oxidizer) ratios? by Ian Stirling
Robert Clark wrote: The most common measure of rocket engine efficiency given is ISP, thrust to fuel burn rate. Another common...
August 16th 03 08:27 PM
by Ian Stirling Go to last post
0 1,592
reentry with edges transverse to flow? by Penguinista
I'm thinking a shape like a sharp edged saucer doing reentry face first and then turning edge on for low speed landing. I expect some concentration of heating...
August 16th 03 07:59 PM
by Gavin Mendeck Go to last post
1 1,132
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