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The bomb fairy. by
Ian Stirling
If you have a string of bombs spaced a second apart on a trajectory,
is there a reason that you can't simply ride the stream with an orion, and
constantly...
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3 |
1,269 |
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0 |
1,514 |
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Telemetry and Command References? by
Martin Sagara
Can anyone recommend a good textbook or reference on spacecraft
telemetry and commanding? I've looked at the CCSDS handbooks but
found them a little terse and...
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1 |
1,950 |
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3 |
1,121 |
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Cost of science on probes? by
Blurrt
Just wondering - in terms of a percentage - how much money is actually spent
on the science instruments on a space probe? I know the launcher accounts
for...
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August 24th 03 02:38 AM
by Blurrt
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4 |
1,049 |
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0 |
1,281 |
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Mixed monoprop gas generator? by
Oren Tirosh
The inspiration for this idea comes from Armadillo's demonstration of
the feasibility of using a mixed monoprop. A mixture of hydrogen
peroxide + fuel + buffer...
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1 |
1,321 |
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7 |
1,339 |
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inefficient turbo-pumps and Isp by
Greg
I am trying to understand some of the loss mechanisms in a modern
rocket engine.
In a staged combustion cycle rocket engine, there are losses in the
turbine...
( 1 2)
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10 |
1,799 |
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Low mass ratio SSTO by
Ian Stirling
Zoltan Szakaly wrote:
I spent the last few days reading past messages in this group on the
subject of SSTO vehicles. It seems to me...
( 1 2)
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15 |
1,888 |
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Will the real Titan II 1st stage stand up by
Larry Gales
In the past I have heard newsgroup posts about the Titan II first stage,
that it had a gross mass of 269,000 lbs and an empty mass of 9000 lbs,
which would...
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0 |
1,293 |
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Geosynchronous GPS? by
John Schilling
"Ultimate Buu" writes:
Wouldn't it be prudent for the U.S. to develop a GPS-like system which is
based in a geosynchronous orbit,...
( 1 2)
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13 |
1,531 |
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How does one 'man-rate' a rocket? by
Ultimate Buu
I was wondering what special testing and such must be done before a rocket
is man-rated. Can any rocket be 'man-rated'? What does the term mean in
terms of...
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August 28th 03 06:26 PM
by Ed Ruf
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1 |
1,085 |
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0 |
1,532 |
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Global Warming on Mars by
TangoMan
With Mars being the closest to Earth in 2,000 years, and therefore closest
to the Sun as well, does anyone know if the probes on or around Mars, or any
Earth...
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0 |
1,355 |
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A new planet? by
Peter Fairbrother
Suppose you joined Mars and Venus together with a big elastic band?
--
Peter Fairbrother
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6 |
1,450 |
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Mercury 4.5 for Orbiter released by
Robert Conley
http://www.alltel.net/~estar/orbiter.html
Animated parachutes like the most recent gemini.
The Retrograde clock and timer.
Automatic calculation of retro time...
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2 |
1,040 |
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Ablative Panels for reusable Space Capsule by
F Fernandez
Assuming a reusable space casule was being designed today, say as the
CTV for the ISS. In order to make the capsule reusable, the heatshield
would be bolted...
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0 |
1,317 |
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0 |
1,321 |
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Astronaut Gear by
Mike Miller
Two questions about the equipment Apollo astronauts had while on the
moon.
1) Did they have portable lights? Flash lights, helmet lights, some
kind of light...
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9 |
1,132 |