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0 |
1,565 |
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0 |
2,349 |
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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 |
1,670 |
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0 |
1,628 |
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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 |
1,109 |
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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 |
1,318 |
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0 |
1,281 |
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0 |
1,368 |
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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 |
1,113 |
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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 |
1,040 |
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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 |
1,575 |
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0 |
1,370 |
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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 |
3,557 |
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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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0 |
1,645 |
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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 |
1,851 |
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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 |
1,422 |
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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 |
2,119 |
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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 |
8,772 |
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0 |
2,871 |
