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Fuel tank rules of thumb by
Roger Stokes
Does anyone have formulae or rules of thumb for the mass of a fuel tank to
hold a certain weight or volume of fuel such as LH2, LOX, or Kerosene - eg
if I said...
( 1 2)
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13 |
2,005 |
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Building the better mousetr-...er, engine by
Mike Miller
Henry Spencer wrote:
"Current engines are (in my opinion) *nowhere* *near* fundamental
limits on
thrust/weight, even without magic materials like nanotube...
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1 |
1,335 |
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Zylon/epoxy composite by
Oren Tirosh
http://flux.wins.uva.nl/~frings/pub/mech_prop_Zylon.pdf
UTS at room temperatu 3.3 GPa
UTS at 77 K: 4.3 GPa
Pretty impressive percentage of the raw UTS of...
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1 |
1,382 |
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0 |
1,678 |
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0 |
1,550 |
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On building a better catalyst pack by
Earl Colby Pottinger
Hope I don't get rejected again.
Hello,
After reading John Carmack's results with getting the heating of his
catalyst packs sorted out I tried playing with...
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6 |
1,604 |
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Copper as a Catalyst by
Earl Colby Pottinger
Does anyone know on where I can get useful rate of reaction information on
using copper as a catalyst to decompose hydrogen peroxide is it is heated up
first. ...
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3 |
1,411 |
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0 |
1,977 |
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Jet-fueled Rocketry by
Mike Miller
Two questions about kerosene rockets:
1) Can kerosene rocket engines using hydrogen peroxide as an oxidizer
match the specific impulse of high-performance...
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3 |
2,017 |
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0 |
2,916 |
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0 |
1,888 |
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1 |
1,295 |
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3 |
1,627 |
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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 |
3,525 |
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Sobering Thot by
Michael J Wise
There are precisely two nations on Earth right now that can put a man
into space, at least on "Short Notice".
And the United States of America is NOT one of...
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4 |
1,486 |
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5 |
2,259 |
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0 |
1,387 |
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Contour accident report? by
Brian Gaff
I just read the pdf version which has the real interesting stuff taken out
(Why for goodness sake?) and one gets the impression that once again, the
main...
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2 |
1,301 |
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How many people to launch a rocket? by
MattWriter
I suppose this is harder to figure out the larger and more complex any launch
campaign gets, but if you take one of the smaller LEO-capable boosters
(Taurus,...
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0 |
1,416 |
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Chinese module at ISS? by
Explorer8939
What are the requirements for a Chinese module, using APAS as a
docking adaptor, to be connected to ISS? Presumably, this module would
be allowed if the...
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6 |
1,314 |
