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...

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...

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...

Wouldn't it be nice if there were water on the moon? ()Sorry - broken record effect)

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...

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...

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...

Raoul" wrote in message ... I was browsing thru the launch backlogs at...

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...

Michael Braukus Headquarters, Washington August 21, 2003 (Phone: 202/358-1979) Dom Amatore Marshall Space Flight Center, Huntsville,...

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...

MEDIA RELATIONS OFFICE JET PROPULSION LABORATORY CALIFORNIA INSTITUTE OF TECHNOLOGY NATIONAL AERONAUTICS AND SPACE ADMINISTRATION PASADENA, CALIFORNIA 91109....

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...

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...

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.

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...

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...

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...

Robert Clark wrote: The most common measure of rocket engine efficiency given is ISP, thrust to fuel burn rate. Another common...

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...