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Question about Centrifugal Gravity by James W
So a lot of movies, TV shows, illustrations, etc., show spacecraft generating "gravity" via rotating hull sections. In many cases, this rotating section spins...
(Multi-page thread 1 2)
March 12th 12 09:33 AM
by mickrio Go to last post
15 9,012
"Orbital Mechanics for Dummies" by JamesStep
Can anyone recommend introductory books on the subject? The book "To Rise from Earth: An Easy to Understand Guide to Space Flight" by Wayne Lee (a mission...
(Multi-page thread 1 2)
November 11th 03 08:15 AM
by Christopher P. Winter Go to last post
11 8,161
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 06:41 PM
by william mook Go to last post
125 7,627
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 6,802
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 01:12 PM
by Alain Fournier[_2_] Go to last post
46 6,476
Shuttle Launch Checklist by Joe Snodgrass
Where can I get a list of the Shuttle's system checklist that the crew run down, on the radio, right before launch? TIA.
(Multi-page thread 1 2)
December 1st 11 05:11 AM
by Jerald8 Go to last post
10 6,473
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 18th 04 11:18 PM
by Dr John Stockton Go to last post
106 6,094
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 01:11 AM
by Vincent Cate Go to last post
72 5,655
Small, cheap, reusable rocket launcher by Andrew Nowicki
The rocket launchers are not economical because they are not reusable. When they reenter the atmosphere, their slender bodies soak up so much heat from...
(Multi-page thread 1 2 3)
September 3rd 06 12:29 PM
by Allen W. McDonnell Go to last post
20 5,150
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 07:39 PM
by ed kyle Go to last post
53 5,140
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 01:10 AM
by Derek Lyons Go to last post
66 5,135
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 4,779
National Aerospace Plane (X-30) announced 20 years ago by Air Raid
the NASP ~ National Aerospace Plane ~ X-30 which Ronald Reagan called " a new Orient Express" was announced 20 years ago this week during the State Of The...
(Multi-page thread 1 2 3 ... Last Page)
March 31st 06 11:44 PM
by Steve Willner Go to last post
33 4,702
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 4,596
ROTON type engines and liquid monopropellants by Earl_Colby_Pottinger
I was just thinking about monopropellants. Most have low ISPs compare to bi-propelleants but can be very dense. ie Peroxide/Alcohol mixes for example. Since...
(Multi-page thread 1 2)
September 4th 17 03:10 AM
by [email protected] Go to last post
12 4,484
figure eight, geo-synchronous orbit??? by Roy Smith
The Sirius Satellite Radio (www.sirius.com) says: "our three state-of-the-art satellites that rotate in figure eight, geo-synchronous orbits around the...
(Multi-page thread 1 2)
January 7th 04 06:48 AM
by lcopps Go to last post
17 4,441
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 05:21 PM
by Gordon D. Pusch Go to last post
61 4,263
Space Solar Power – Recent Conceptual Progress by Keith Henson
About Skylon and laser propulsion to get the cost to GEO down. http://www.theoildrum.com/node/7898 Keith Henson
(Multi-page thread 1 2)
July 16th 11 02:50 PM
by Keith Henson Go to last post
17 4,250
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 4,193
Helium-3 crisis today could finance lunar elevator by cfrjlr
Helium-3 is abundant on the Moon but very rare on Earth There is a critical shortage of He3 today, due to two factors: 1) increasing demand for neutrons...
July 11th 14 03:40 AM
by greenaum[_2_] Go to last post
6 4,170
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