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April 27th 04 03:34 AM
by EVD
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18 |
1,391 |
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72 kw - 3N Ion Engine by
Richard Hofer
As others have pointed out, the press release was written for a general
audience, so there are some confusing aspects of it. I worked on the
design of the...
( 1 2)
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18 |
1,268 |
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18 |
1,743 |
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Diamagnetic levitation by
Zoltan Szakaly
I have recently found out that a hamster was levitated by applying a
strong magnetic field of 16 Teslas using a superconducting
electromagnet.
This is...
( 1 2)
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18 |
1,192 |
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17 |
4,569 |
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17 |
1,122 |
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Titan Orbiter/Balloon by
Explorer
Would it be feasible to use aerobraking at Titan to facilitate a Titan
orbiter? What about deployment of a long lived balloon within Titan's
atmosphere, can...
( 1 2)
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17 |
737 |
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May 20th 05 08:36 AM
by bob
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17 |
1,065 |
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Space station impact shielding. by
Alain Fournier[_2_]
Does anyone know about what kind of impact the space station can survive? Surely this has been analyzed. I would imagine
that it can withstand a fleck of...
( 1 2)
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17 |
1,472 |
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High rate lunar mission architecture by
Alain Fournier[_2_]
I would like to have your thoughts about the best architecture for high
rate lunar missions. I don't want to hear about new technology, if you
want to talk...
( 1 2)
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17 |
1,860 |
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17 |
1,348 |
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"Reinventing the Solar Power Satellite" paper by
Geoffrey A. Landis
For any of you with an interest in Solar Power Satellite (SPS, or SSPS)
concepts, I finally received NASA Technical Memorandum copies of my
papers "Reinventing...
( 1 2)
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June 24th 04 09:35 PM
by
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2,406 |
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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...
( 1 2)
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January 7th 04 06:48 AM
by lcopps
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17 |
4,953 |
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Scramjet, Pulse Detonation Engines by
sanman
I read that the X-43 scramjet is being tested today, and I hope all
goes well. But what I also read was that this technology is not
considered optimal for the...
( 1 2)
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16 |
1,973 |
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save the Hubble by
JazzMan
Lynndel Humphreys wrote:
Would it not be just as easy to capture the Hubble and return it safely.
Let's face it if 007 foes can do something similar...
( 1 2)
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16 |
1,299 |
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isp from MKS units by
Parallax
I have a question that may have an obvious answer but I have lost too
many brain cells for it to be obvious to me.
isp is given as the thrust...
( 1 2)
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January 26th 04 08:53 PM
by Len
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16 |
1,734 |
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January 18th 04 12:44 AM
by Xerxes
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16 |
2,072 |
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Optimum constant-thrust transfers? by
Bertil Jonell
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...
( 1 2)
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16 |
1,365 |
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Pressure fed versus pump fed rockets by
Larry Gales
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...
( 1 2)
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16 |
1,781 |
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16 |
2,005 |