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Microwave beamed power by
zoltan
Has anybody investigated the use of microwave beamed power as a way of
eliminating the first stage of a rocket?
To put it more precisely to assist a rocket by...
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Powered re-entry by
Zoltan Szakaly
I believe that we have beaten this horse to death here during prior
discussions.
Yet I feel dissatisfied with the extent of our discussions and the
state of...
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Shuttle based lunar vehicle by
Zoltan Szakaly
I have a feeling that now that we have had a couple of shuttle
accidents we are moving away from the shuttle too eagerly.
If I had to go to the Moon today, I...
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April 17th 04 10:13 AM
by EAC
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Glassy metals by
Zoltan Szakaly
I read an article in Discover magazine about a class of materials that
are like metals but 3 to 6 times higher strength. They are created by
mixing various...
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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...
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Vacuum vs. sea-level rocket engine Isp by
Zoltan Szakaly
I am wondering if a rocket engine's performance in the atmosphere
could be improved by changing the operating point, such as mixture
ratio or chamber...
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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...
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Lithium as fuel by
Zoltan Szakaly
I wonder why it is not in more common use.
It is liquid at a low temp (I think around 200 C) and gives the
electron off more easily than H. It should also...
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poor man's rocket by
Zoltan Szakaly
I wonder if I could feed an off the shelf jet engine with fuel and
oxidizer at a fuel rich mixture ratio and later add the rest of the
oxidizer to the exhaust...
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