Acknowledged this is an old debate, but fresh insight may surface, opinions invited. First let me say I have the highest respect for von Braun and his team,...

Does anyone know about what kind of impact the space station can survive? Surely this has been analyzed. I would imagine that it can withstand a fleck of...

To all, thanks! Years ago I read sci.space.tech and sci.space.science. Then I changed jobs, no access for several years, changed again--dead groups! Moribund,...

The J2-X upper stage engine does NOT contribute to the 1st stage thrust, of the ARES I, and is therefore a parasitic weight in that...

On Apr 3, 4:40 am, BradGuth wrote: On Apr 1, 5:29 pm, "Greg D. Moore \(Strider\)" wrote: ...

This post is to let you know that sci.space.tech is now being moderated again. Moderation of sci.space.science will soon follow. George Herbert has...

I am very pleased to see this group revived, thanks mods. I recall from last time and from the archive for that matter that there are a *lot* of FAQ...

1) Cross-posts are limited to 3 newsgroups (and even then may be subject to review if the 2 other groups are non-topical to the post.) 2) I'm ironically...

Well, might as well get cracking with a tech post now that this NG is revived... There's a lot of "mythology" about how close Apollo 11 was to propellant...

and - did it work ? markus

-- Greg Moore Ask me about lily, an RPI based CMC.

Please do NOT reply to this message. Any replies will NOT be approved. -- Greg Moore Ask me about lily, an RPI based CMC.

Has anybody heard of this...

This is a multi-part message in MIME format. --------------090605050802020405010703 Content-Type: text/plain; charset=ISO-8859-1;...

""" Nitrous oxide Oxidizer/Fuel Blend Optimized Breakdown System (NOFBOBS) PI: Greg Mungas, Firestar Engineering An optimized liquid Monopropellant blend with...

I read about this idea on wikipedia: http://en.wikipedia.org/wiki/Aerovator. Basically, it is a long aerodynamic ribbon kept up by 20+ jet engines. Somehow,...

I read that the Kassam rockets are fueled by a combination of sugar and fertilizer. Anyone know how good a fuel it is? ISP numbers? How does it compare to...

Unfortunate news: http://www.cnn.com/2007/US/07/26/spaceport.blast/index.html

A Rectenna is a "Receiving Antenna" which converts RF radiation into electrical power. They would be a fundamental component of Solar Power Satellite...

I posted some ideas on lunarpedia about Existing Commercial Potential for Helium-3 from Luna. The Moon is an abundant source of He3. He3 has a market value,...