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Air breathing re-entry concept by
Zoltan Szakaly
I have been contemplating various reentry options for my imaginary air
breathing SSTO vehicle. If I can solve the problem of going to orbit
by using an air...
( 1 2)
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15 |
1,874 |
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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 |
1,873 |
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How is SpaceX doing? by
[email protected]
The SpaceX website's August/September update says they have a Q1 2005
paid
flight, and that the Falcon I is on the launch pad at Vandenberg.
It's not clear,...
( 1 2 3)
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20 |
1,873 |
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0 |
1,872 |
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0 |
1,872 |
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0 |
1,870 |
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0 |
1,864 |
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11 |
1,864 |
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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 |
1,861 |
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0 |
1,861 |
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0 |
1,859 |
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Improved Specific Impulse Rocket Engines by
Mike Miller
Looking only at the vacuum specific impulse of plain hydrogen-oxygen
rockets, is it possible to advance their specific impulse to 500, or
even 520?
For...
( 1 2)
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12 |
1,852 |
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0 |
1,852 |
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2 |
1,849 |
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0 |
1,848 |
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0 |
1,847 |
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Starpower? by
william mook
The ultimate in solar collectors must be the deposition of solar
collectors onto the solar surface. The sun puts out 3.86x10^26 watts
of power. Distributed...
( 1 2)
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13 |
1,846 |
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0 |
1,845 |
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HELP NASA CEA CODE by
vaibhav[_2_]
I am using Nasa CEA code for calculating Isp for different Ae/At
ratios with chamber pressure of 1000 psi. Problem is Isp should have a
peak at optimum...
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1 |
1,844 |
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Global Cooling by
John Hampson
Hi,
Does anyone know if a ballistic trajectory exists directly from the
Moon’s surface to the Earth-Sun L1 Lagrange point? I’m interested to
know if it’s...
( 1 2)
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11 |
1,843 |