This mature fabrication technique is perfectly suited for making complex metal parts, including CHEAP ROCKET ENGINES! All you have to do is to make the CAD...

What does the combustion chamber actually do? It's a place for the propellants to mix and burn subsonicly. The mixing typically requires ferocious...

I was reading about the airship to orbit idea, and how it is probably impossible. This got me to thinking, are there any materials like carbon nanotubes that...

Hi What is the difference between Delta 4 and Titan III-type launch vehicles? IL of FI

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...

I'm playing with fantasy rockets for science fiction scenarios, and I'm looking for some typical figures for rockets. What would you say was a reasonable...

Space Station News /////////////////////////////////////////// NASA to Host Preview Briefings, Interviews for First Crew Rotation Mission with...

What would happen if you detonated a nuclear bomb inside the sun? I realize that getting any bomb to the sun would take an amazing delta-V, and that surviving...

Zero gee entry seat, well better described as simulated zero gee. We simulate zero gees in a one gee environment currently using a swimming pool. This same...

(Henry Spencer) : In article , John Carmack wrote: ...If...

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...

One of the limiting things in Earth to orbit rockets is first stage initial thrust. The rocket engine of the first stage has to carry all the weight of the...

The Space Studies Institute will be hosting a track at the 2006 International Space Development Conference in LA, and would like to issue a call for papers to...

If something physical or meta-physical happened whereby the Moon's orbit was suddenly changed to an apogy of just within Earth's gravitational pull (sorry,...

Space.com has a nice non-technical summary article on going into space that is worth calling to the attention of those here who might otherswise miss...

Possibly of interest - although, as its elset parsing is still weak, perhaps not as useful to the observation crowd as it is to those wanting to play with...

Power supply failure - not worth having it repaired, so I bought a (much) better computer.

Hi everyone. I'm working on the propulsion system for a small student built satellite as part of the university nanosat competition and I was hoping you could...

Tony Sivori wrote: kegwasher wrote: Tony Sivori wrote: Would anyone care to speculate as to how long will the rover tracks will last in the...

Please read: http://www.dailycal.org/article.php?id=18043 What is going on here? I thought copper could not serve to decompose peroxide fast enough to be...