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Water Jet Rocket by
[email protected]
For decades now, companies have been using jets of water under
extremely high pressure to cut through various material, including
steel. The water jet can...
( 1 2 3)
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21 |
1,230 |
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Mission to Alpha Centauri by
Roger Stokes
I did a few calculations on what it might take to do a flyby of Alpha
Centauri, so, like a fool, I propose to rush in (to this newsgroup) where
angels fear to...
( 1 2 3)
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August 8th 03 07:36 AM
by Jim
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2,527 |
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Moon City? by
Ken S. Tucker
My impression of the long range goal of Program Constellation is the
establishment of a permanent *city* on the Moon. (?).
I use the term "city" instead of...
( 1 2 3)
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1,739 |
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Small, cheap, reusable rocket launcher by
Andrew Nowicki
The rocket launchers are not economical because they
are not reusable. When they reenter the atmosphere,
their slender bodies soak up so much heat from...
( 1 2 3)
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5,587 |
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20 |
1,993 |
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20 |
2,157 |
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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 |
1,863 |
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Zero-G Still by
Earl Colby Pottinger
How do you make a still that can process fluids in Zero-G?
My first guess is that the evaporator uses some kind of mat to how the liquid
being processed, but...
( 1 2 3)
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936 |
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1,054 |
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1,885 |
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Peroxide biprop ignition by
Oren Tirosh
Some methods I've seen mentioned for peroxide biprop ignition a
Decompose the peroxide with catalyst pack.
Pyrotechnic igniter in the chamber.
Dissolve...
( 1 2 3)
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20 |
2,224 |
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speaking of comets by
Lynndel Humphreys
Would it be possible for a Voyager class probe to hitch a ride on a comet?
Deep space or what?
-----= Posted via Newsfeeds.Com, Uncensored Usenet News...
( 1 2 3)
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1,260 |
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Ships for Space Travel by
Richard Alexander
I lay watching Mars the other night, and I thought about how we might
build a ship to take people there. In a lot of ways, we are like
ancient man right after...
( 1 2 3)
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2,321 |
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19 |
1,470 |
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2,827 |
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Hydrogen to the Moon by
Alan Erskine
There's gobs of O2 on the Moon (~40% by mass of the Moon's surface is
oxygen), but hydrogen is still needed to make water (remember, the poles are
a long way...
( 1 2)
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19 |
1,510 |
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19 |
1,146 |
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help - gravity problem by
dotcom
I thought I understood basic gravity problems but the following high
school physics problem from my daughter has me stumped ( I think)
Q. a disabled ( meaning...
( 1 2)
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19 |
3,551 |
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Lunar Licensing Process by
TangoMan
TransOrbital applied to the State(?) Dept. for their license to land a
mission on the lunar surface.
Realizing that a mission is held up until such a license...
( 1 2)
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18 |
1,204 |
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Columbia - Cooling the Breach by
Craig Fink
Specific heat of water = 1.0 BTU/lbs/F
Latent heat of fusion of water = 140. BTU/lbs
Latent heat of evaporation of water = 970. BTU/lbs
Initial water...
( 1 2)
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2,235 |