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Explosive limits of gases mixtures by
Benoît BULLIOT
Hello
I am searching for all kind of informations about explosive limits of
mixtures , like mixture of oxygene with other gases.
For example, what are the...
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1 |
1,569 |
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0 |
1,397 |
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ship floating on atmosphere by
Bernhard Kuemel
Hi!
Is it feasible to make a ship that floats on the atmosphere? A kind of
bowl with the bottom at 5-10 km and the top so high that it can be
sealed with a...
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0 |
800 |
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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 |
1,357 |
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heat shield testing by
Bill Bogen
How are thermal protection systems tested on the ground? By directing
superheated air at various temperatures, pressures, and durations to
simulate a re-entry...
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1 |
756 |
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Lunar Lava Tubes via Clementine by
Bill Bogen
It was once proposed to do an automated search of images from the
Clementine probe for evidence of lunar lava tubes. The argument (by
Taylor and Gibbs) was...
( 1 2)
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10 |
1,519 |
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Lava Tube Teleoperated Explorer (LATTE) by
Bill Bogen
Assume we send a teleoperated rover to a likely site for a lunar lava
tube (ex; my favorite, Aristarchus Crater) and discover that, yes,
there is a segment of...
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0 |
1,136 |
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Magnetic Mining on the Moon by
Bill Bogen
Did any of the Apollo astronauts ever drag a magnet across the
regolith to see how much, if any, metal particles might be available?
I've seen references to...
( 1 2)
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February 7th 04 08:19 PM
by Ool
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10 |
1,066 |
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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...
( 1 2 3 ... Last Page)
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106 |
7,740 |
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Existing rover available for Moon? by
Bill Bogen
Are any back-up rovers available (US, UK, whatever) that might be
tweaked slightly (ex; made teleoperable) and sent to the Moon to, say,
explore possible lava...
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2 |
998 |
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883 |
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Large airlocks by
Bill Bogen
Has much research/design work been done on really large airlock doors?
A quick search finds references ranging from real doors around a
meter in size to...
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September 26th 03 06:23 PM
by Anvil
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4 |
1,141 |
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A small, polar-orbiting moon by
Bill Bogen
I'd like input from all you orbital mechanics out there as to this
concept's feasibility:
What if sometime in prehistory, the Earth had captured a Near...
( 1 2 3)
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22 |
2,985 |
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Mars Sun-Synchronous Orbit by
Bill Bogen
Does Mars offer the possibility of a sun-synchronous orbit? I'm
playing with an idea for orbiting reflectors to warm Mars and assist
in terraforming. It...
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5 |
1,712 |
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Precession of polar satellites by
Bill Bogen
Assuming a satellite in Earth-polar orbit of about 20,000 km radius,
would the orbit precess and, if so, how fast? Are there simple,
approximate equations for...
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9 |
1,211 |
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MEX MOI Delta v by
Bjørn Ove Isaksen
I see from several articles, eg.
http://www.spacedaily.com/news/marsexpress-03n.html
That there is an aparent velocity change from 11 Km/s to 9 Km/s in the...
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1,035 |
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Same Old Rockets for Bold New Mission ? by
BlackWater
(CNN)
http://www.cnn.com/2004/TECH/space/04/30/space.rockets.reut/index.html
CAPE CANAVERAL, Florida (Reuters) -- Aerospace giants are already
prepared to...
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1,403 |
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Jocket? by
blart
Has anyone ever designed/built a hybrid jet-rocket (not a scram jet, but hey
if it scrams too then thats neat :)
I was thinking something along the lines of...
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513 |
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"shuttle"/BDB combo and fertilizer? by
BllFs6
Hi all....
While Im sure this ISNT a new idea....I havent seen it discussed lately....so
here we go...
Did some web research awhile ago and found some...
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4 |
1,367 |
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Lobbing Passengers for fun and profit? by
BllFs6
Hi all....
Just wondering....
If you were putting people in rockets and "lobbing" the passenger capsule from
the point of departure to the destination how...
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3 |
808 |