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Multiple Engines??? by Charles Talleyrand
It seems that for rockets of multiple stages with only one fuel combination, there is an interesting engineering decision. Consider a two stage rocket where...
(Multi-page thread 1 2 3 ... Last Page)
February 4th 04 07:41 PM
by william mook Go to last post
125 4,278
Moon Base baby steps by Bill Bogen
Two interesting quotes from Prez. Bush's speech: "We will begin the effort quickly, using existing programs and personnel.... We'll make steady progress, one...
(Multi-page thread 1 2 3 ... Last Page)
February 19th 04 12:18 AM
by Dr John Stockton Go to last post
106 3,505
Future Space War by Dirk Bruere at Neopax
"Abrigon Gusiq" wrote in message ... I know a bit like science fiction, but what is the plans and...
(Multi-page thread 1 2 3 ... Last Page)
October 25th 04 09:16 AM
by Juergen Nieveler Go to last post
105 2,475
Running multiple HET in parallel? by Sander Vesik
Are there any known issues with running multiple HET (Hall Effect Thruster) in parallel to get increased performance? Is it being already used...
(Multi-page thread 1 2 3 ... Last Page)
April 12th 05 06:03 AM
by Derek Lyons Go to last post
84 2,716
SSTO propulsion overview by Henry Spencer
Catching up on some unread journals, I note that the March/April 2003 issue of JBIS has a very interesting paper: "A comparison of propulsion concepts for...
(Multi-page thread 1 2 3 ... Last Page)
May 12th 04 02:06 PM
by Ash Wyllie Go to last post
80 2,127
Lunar Sample Return via Tether by Vincent Cate
My father (Henry Cate) and I have come up with an initial tether project that might be fun, affordable, and profitable. The idea is to use a rotating tether...
(Multi-page thread 1 2 3 ... Last Page)
January 12th 04 02:11 AM
by Vincent Cate Go to last post
72 2,453
Operating systems used in spacecraft? by Grem
Which operating system/systems are used in spacecrafts? Has FlightLinux been implemented yet; and if not how far in the testing are they? Any information on...
(Multi-page thread 1 2 3 ... Last Page)
December 9th 03 02:10 AM
by Derek Lyons Go to last post
66 2,591
Pulse Jets by pervect
A week or so ago I saw a rather neat Junkyard Wars episode on pulse-jets. I'm also rather intrigued that it was felt to be a safe enough gadget to build for...
(Multi-page thread 1 2 3 ... Last Page)
January 16th 04 06:21 PM
by Gordon D. Pusch Go to last post
61 2,194
Inferno by Rodney Kelp
Why can't you launch a fuel tank into orbit with solid fuel boosters that the shuttle or other transport could dock with? What about to moon orbit?. If you...
(Multi-page thread 1 2 3 ... Last Page)
January 31st 05 03:43 PM
by Andrew Nowicki Go to last post
55 1,450
Alternative to Rockets by George Kinley
Are there any way for rockets to fly in space , other then throwing mass out in one direction and moving in other
(Multi-page thread 1 2 3 ... Last Page)
March 31st 04 02:45 AM
by [email protected] Go to last post
54 1,695
Cheap Realistic Space Flight by Charles Talleyrand
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...
(Multi-page thread 1 2 3 ... Last Page)
November 29th 03 08:39 PM
by ed kyle Go to last post
53 2,636
NASA orbit simulation software by Joćo Gomes
Hey.. Does anyone knows what programs does NASA use to simulate and predict the orbit of a spacecraft? and for simulate the reentry phase of the shutle and...
(Multi-page thread 1 2 3 ... Last Page)
May 25th 09 04:48 AM
by kevin willoughby Go to last post
51 4,195
forming composit space station skin in situ by [email protected]
In order to produce the most effective orbiting facility with the least amount of materials and the least effort, it seems obvious that it should be an...
(Multi-page thread 1 2 3 ... Last Page)
February 23rd 05 03:34 PM
by Henry Spencer Go to last post
50 1,945
Huygens shortlived? by dexx
Is it true that Huygens ceased transmission less than 2 hours after touchdown? Whilst it was a magnificent achievement to travel so far and land perfectly, it...
(Multi-page thread 1 2 3 ... Last Page)
January 25th 05 03:00 AM
by Christopher M. Jones Go to last post
48 1,344
A Moon base is too far; an asteroid ship better alternative:) by Bounty
Okay shoot me down if you have to but I think that "Ahad" guy had a neat idea and was on the right track with his "Celestial Titanic"...
(Multi-page thread 1 2 3 ... Last Page)
March 24th 05 01:35 AM
by Earl Colby Pottinger Go to last post
46 2,203
Technologies for Moon mission useable for missions further out by Alain Fournier[_2_]
Let's assume a new program for lunar missions is started. Let's also assume it is posited as Bush had did it, saying we are going to the Moon, and should go to...
(Multi-page thread 1 2 3 ... Last Page)
January 26th 11 02:12 PM
by Alain Fournier[_2_] Go to last post
46 4,596
Satellite to Satellite communication ? by Norris Watkins
Hello: 1. When you make an international phone call - say from NY to China - how does the voice data travel ? Does it have to be send to the satellite and then...
(Multi-page thread 1 2 3 ... Last Page)
December 12th 03 11:06 AM
by Pascal Bourguignon Go to last post
46 1,727
SpaceShipOne and reentry heat by LRW
I'm just an average person with an English degree, so I'm unfamiliar with the science and physics and space craft reentry, so this is likely a very stupid...
(Multi-page thread 1 2 3 ... Last Page)
July 21st 04 08:23 PM
by Andrew Gray Go to last post
45 1,926
artificial gravity a different idea...maybe? by Johnson..
Hi Folks Just joined the group for the purposes of posting an idea. I have been doing a little reading today about artificial gravity and haven't seen...
(Multi-page thread 1 2 3 ... Last Page)
September 4th 03 08:16 AM
by Theodore W. Hall Go to last post
44 1,904
Brute force re-entry by Lizerd
Early on in the space program, the space capsule used brute force re-entry. IE: it slammed into the upper atmosphere at high speed to slow down for return. The...
(Multi-page thread 1 2 3 ... Last Page)
September 13th 04 09:37 PM
by Allen Meece Go to last post
43 1,876
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