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Solid rocket precision shutdown by
Iain McClatchie
I was reading yet another web site with the old saw that you can't
turn off a solid rocket motor once it has ignited, save for destroying
the motor.
Then I...
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3 |
787 |
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Pioneer Effect?? by
Brian Gaff
Not sure how on topic this is here, but I notice in Nature this week a
discussion about the so called force that has meant these craft are not
where they are...
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1 |
598 |
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A first blueprint for interstellar travel by
Abdul Ahad
I was toying with this idea for a *possible* futuristic voyage to
Alpha Centauri, with a big emphasis on water and life support resource
mining from comets and...
( 1 2)
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12 |
2,767 |
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Mag-beam to Mars? by
Jon Berndt
In this article on MSNBC.com:
http://www.msnbc.msn.com/id/3217961/
"At the start of the trip, the Earth station would focus its
particle beam on the...
( 1 2)
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10 |
690 |
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Sonic diamond nano-pore rocket? by
TomRC
I'd like to bounce a propulsion idea off the experts of this group:
Visualize a very small, v-shaped notch in a thin layer of diamond -
maybe 100nm wide and...
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October 15th 04 12:17 AM
by TomRC
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592 |
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Best mass ratio to orbit? by
Monte Davis
Is there a source online or elsewhere that ranks past and current
boosters (and STS, Pegasus, other alternatives) in order of mass
ratio? Ideally, gross pad...
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0 |
570 |
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Hybrid Motor Performance by
william mook
http://members.aol.com/cv192/engine.html
A nitrous oxide and rubber NOX/HTPB (R45M rubber) is reported to
produce 235 second Isp. This is equal to an exhaust...
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0 |
927 |
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0 |
744 |
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1 |
705 |
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Is it safe to use more than 50% H2O2 mixtures by
Earl Colby Pottinger
Team ARCA (http://www.arcaspace.ro/) just posted about about a successful
test flight of thier prototype. Of interest to me it is mentioned that they
use 60%...
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1 |
649 |
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Fast Transit: Earth to the Moon by
Mike Miller
Pretend a hypothetical SSTO tops off its tanks in low Earth orbit. It
now has plenty of fuel to get from LEO to the lunar surface. In fact,
it has 4000m/s of...
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0 |
418 |
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Second launch of Spaceship 1 by
Anvil
Watching the second launch of Spaceship 1 and thinking on the
roll couple that begins as the rocket is fully started and
seems to get a step increase crossing...
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1 |
572 |
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2 |
865 |
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New Alumina-based Glass by
sanman
Here's an interesting article:
http://physicsweb.org/article/news/8/8/9
A new method for making alumina-based glass in bulk.
Better windows for aircraft and...
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5 |
644 |
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Brute force re-entry by
Lizerd
Early on in the space program, the space capsule used brute force re-entry.
IE: it slammed into the upper atmosphere at high speed to slow down for
return.
The...
( 1 2 3 ... Last Page)
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43 |
3,592 |
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0 |
893 |
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In-flight comet mining for water and fuel by
Abdul Ahad
Dear All,
I would like some advice and comments please on the feasibility to
mine comets in-flight on a hypothetical futuristic spaceflight mission
towards...
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2 |
1,269 |
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Ionocraft by
sanman
I was reading about these electric "lifters" which generate lift using
"ion wind", and came across this old article about the Ionocraft,
which was to use this...
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September 12th 04 07:13 PM
by sanman
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0 |
725 |
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Office of Space Reconnaissance by
Elnur
In 2000 National Commission for the Review of National Reconnaissance
Office made recommendation to form new Office of Space Reconnaissance.
A little bit...
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September 11th 04 12:41 PM
by Elnur
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0 |
552 |
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O'Neill habitat spin axis by
Russell Wallace
I'm designing an O'Neill habitat for use in a game scenario, where I'm
trying to keep the science as plausible as possible. It's going to be
the classic...
( 1 2)
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14 |
1,023 |