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Mars,Moon,Eart re entry a pop quiz by Lynndel Humphreys
As pertains to the heat shield and parachute should they be increased or decreased as relates to Mars.the Moon, and Earth? -----= Posted via...
January 17th 04 12:40 AM
by Ian Stirling Go to last post
2 886
delta V from L1 to L4 by Alex Terrell
It's often suggested that a catapult on the moon could fire material from the surface to L1. From there it would be sorted and grouped, and then sent off in...
January 16th 04 07:40 PM
by John Schilling Go to last post
3 879
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 5,240
Mars -> Earth time by Epawtows
It's been reported in many places that the MER teams are operating on "Mars time"..i.e., days that are ~24 hrs. and 39 minutes long. Does anyone know the...
January 16th 04 04:44 PM
by Ian Stirling Go to last post
2 775
HTHL vs VTVL - Wheeled sled for landing? by Earl Colby Pottinger
Thinking about the problem some more it seems a big problem would be landing a high speed glider onto a sled that is on tracks. This would mean that the sled...
(Multi-page thread 1 2 3)
January 16th 04 04:35 PM
by Gordon D. Pusch Go to last post
25 1,689
Can cell phones and SPS share the same frequency? by TangoMan
Let's assume that SPS is beaming down microwaves at 900 W/m^2 intensity in a column of focused energy 10 km in diameter at a frequency of 2.45 GHz. The...
(Multi-page thread 1 2 3)
January 16th 04 04:19 PM
by Gordon D. Pusch Go to last post
25 1,920
Colors of mars by Raoul
I just read an article with the title: "Nasa is sabotating true colors of mars" Most articles starting with Nasa&sabotating are mostly not very good pieces;...
January 16th 04 09:49 AM
by Nils O. Selåsdal Go to last post
6 903
HTHL vs VTVL - Thunderbirds to the rescue by Earl Colby Pottinger
First, I am a VTVL fan first but that does not mean you should not think of other possible solutions. While thinking about the problem of the weight of...
(Multi-page thread 1 2 3)
January 15th 04 10:20 PM
by Gordon D. Pusch Go to last post
23 1,660
fuel cell reformation technology - for resistojets by toby
I read recently that researchers had developed a small device that reforms a water methanol mixture to supply a hydrogen fuel cell. Would it make any sense to...
January 14th 04 06:45 AM
by toby Go to last post
2 1,146
Return to Moon with existing launcher? by Bill Bogen
How massive a package can be placed into lunar orbit with which existing launcher?
January 13th 04 01:58 PM
by Bill Bogen Go to last post
0 883
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 6,879
dead beagle how about a new rover by Lynndel Humphreys
Can the spirit communicate with the UK Mars orbiter? -----= Posted via Newsfeeds.Com, Uncensored Usenet News =----- http://www.newsfeeds.com - The #1...
January 11th 04 07:14 PM
by Henry Spencer Go to last post
2 922
Twin ET-derived heavy lift vehicule? by Remy Villeneuve
Hi, Crazy idea of me (again): ET/Shuttle derived heavy launcher have developpement costs associated with the modification of the external tank structure to...
January 10th 04 10:56 PM
by Remy Villeneuve Go to last post
0 1,025
Radio frequency controls by Christopher
On Channel 5 here in England last night was a program called 'moving to Mars'. In the early part of the program was a brief section of a team at NASA who were...
January 10th 04 10:26 AM
by Christopher Go to last post
0 1,011
Balloons on Mars by Sven Knuth
Jon Berndt schrieb: Is this close to being accurate? I haven't done anything like this in a while. It it not far away, just take a look at the planned...
January 9th 04 04:23 PM
by Charles Buckley Go to last post
1 863
Future of the RL60? by Phil Paisley
Is the RL60 a 'done deal' for some variants of the Delta 4 and Atlas 5? If so what effects will it have on payloads - presumably to GTO but also on...
January 9th 04 01:49 AM
by Damon Hill Go to last post
8 859
Martian sunshine by Lynndel Humphreys
Why does the sun as appears on Mars looks as if it shines through frosted glass? Also, can the Mars orbiters camera resolve the bounce prints in the surface...
January 8th 04 10:53 PM
by News Admin Go to last post
3 796
The Mars EVA suit design by Christopher
With Mars as the current flavour of the month, I have been looking via google around sites concerned with the design of the Mars eva suit for when we...
January 8th 04 09:29 PM
by Chris Jones Go to last post
2 1,226
rockets .. upside down ? by Kaido Kert
This is a thought experiment only. Please, dont shoot on sight. Here are components of a traditional expendable liquid rocket from ground to top: An...
(Multi-page thread 1 2)
January 8th 04 08:42 PM
by Kaido Kert Go to last post
13 1,414
determining rue blue by Lynndel Humphreys
Which is better in determining true blue ie. a spectrogram or video of a spectrogram? -----= Posted via Newsfeeds.Com, Uncensored Usenet News...
January 8th 04 07:35 PM
by Lynndel Humphreys Go to last post
0 899
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