Hello, is there someone who can give me a list of upper stage engines currently used in launch vehicles? Thank you very much, Rob

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 trying to imgaine cheap space flight. I'd also like to see it sooner rather than later. Given this I believe we are limited to chemical rockets. What's...

I lay watching Mars the other night, and I thought about how we might build a ship to take people there. In a lot of ways, we are like ancient man right after...

Liquid propellant rocket engines have the engine on a gimbals frame so servo motors can move the exhaust a few degrees in the X and Y axis so the rocket can be...

I have a few dynamical questions, that I was hoping to get some "top line" answers to:- Suppose I want to propel a (hypothetical) 300-kg mass orbiter...

Has anyone read this article? In an exclusive story, Av Leak claims that Rutan has modified his spacecraft to improve its stability. Burt may still make Dec...

Hi, Just read an article on SpaceFlightNow.com about a new ion engine being developped and tested with substantial improvements over older designs, such as...

What's the current state of the art in ion engines? How well do they do, and when one adds solar panels (or some other energy source) and such to the mix,...

There has been a lot of work done on Hohman and Bielliptic transfers, but has there been anything on constant-thrust transfers? Of course, the "optimum" in...

When terrestrial glaciers retreat from permafrosted terrain, the barren earth undergoes a process of reclamation involving runoff (sometimes massive),...

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...

Take 2 Shuttle SRBs, possibly the 5 segment ones that were just tested. Hang a Delta 4 core between them (gonna look odd, but no odder than a Titan 4). ...

In another book they also indicate that Apollo should go through the edge of the Van Allen belts. They studied a number of different vehicle configurations...

(Henry Spencer) wrote in message ... In article , John...

Dwayne Brown Headquarters, Washington November 20, 2003 (Phone: 202/358-1726) Lori J. Rachul Glenn Research Center, Cleveland (Phone:...

Good news: inert metal compounds such as platinum coated titanium rods are sometimes used as the anodes. They do not corrode in marine environment, so they...

Hi, Can someone recommend me a UK satellite TV station/channel equivalent to NASA TV which broadcasts space updates in real time? Is there an *exclusive*...

The advantage of a pressure fed rocket, as I understand it, is much cheaper (and somewhat smaller and lighter) engines, but at the cost of very heavy tanks...

Hello all, Does anyone have access to particulars of Dr. Zubrin's proposed NSWR? Particularly fuel flow, exhaust temperature and velocity (just the...