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5 |
1,252 |
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0 |
1,046 |
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19 |
2,831 |
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8 |
1,020 |
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Pressure fed rockets and cheap pumps by
Larry Gales
I understand that the biggest advantage of pressure fed rockets is far
cheaper (and somewhat smaller, lighter) rocket engines, at the expense of
very heavy...
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0 |
1,028 |
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0 |
858 |
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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 |
1,224 |
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New astronomy website ! by
Kris \Space-Link\
Now more than 2000 links about astronomy, space stations, space exploration,
rockets, telescopes, observatories, space agencies, astronomy societies,
aerospace...
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0 |
1,104 |
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Lunar Research Lab by
Arduin
Given the types of extremely hazardous research now being performing
into biological, and potentially nanotech technology. Would it not
make sense to lobby the...
|
|
7 |
683 |
|
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!st human supersonics by
Earl Colby Pottinger
(Ken S. Tucker) :
I was asked awhile ago if supersonic or hypersonic catapults
were possible, to economically test modeled...
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3 |
566 |
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Black Holes by
Henry Spencer
In article ,
Matthew wrote:
wondered if anyone has tried this yet. What if one were...
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6 |
1,035 |
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0 |
2,864 |
|
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"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...
( 1 2)
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11 |
8,745 |
|
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reentry cavitator by
Andrew Nowicki
The Russian Shkval (Squall) torpedo is built like a
rocket. It flies underwater in a cavity made by a so
called cavitator mounted on its nose. The...
( 1 2 3)
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21 |
2,114 |
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A vision of CATS by
Penguinista
Presuming a reusable spacecraft
- Have to avoid armies of technicians to operate/maintain the
spacecraft. Thus:
- Components must have an appreciable...
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5 |
1,420 |
|
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An UltraLight plane on Mars? by
A Canuck
If one was to be asked to design an UltraLight that would be able to
fly on Mars, what would have to change?
Would the wingspan have to change...
|
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9 |
1,847 |
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0 |
1,644 |
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Russian super rocket? by
Rod Stevenson
East Anglia is being visited by two members of the Russian space program. I
was lucky enough to be able to talk to Alexander Martynov, a senior member
of the...
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6 |
1,652 |
|
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Accidental Orion? by
Parallax
I recently read somewhere a story about one of the first underground
nuclear tests called Bernallilo in which the vertical shaft was capped
with a massive...
( 1 2 3 ... Last Page)
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36 |
3,548 |
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0 |
1,370 |