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Messages 56627 - 56656 of 81922   Oldest  |  < Older  |  Newer >  |  Newest
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56627
... What, they're not going to be greeted as liberators? Assuming that the taxpayers back home won't pay for a long war, you could always bring your own rope...
Henry Cobb
henry_cobb
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Nov 1, 2006
12:34 pm
56628
... No, torch missiles are only the "purest" expression in the sense of having no other mission than to slam into something while going really fast. I am...
rmrobinson1227
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Nov 1, 2006
6:17 pm
56629
... That should always be regarded as a bonus card, not to be counted on. ... Well, that's an option, but perhaps a horrendously expensive one, depending on...
rmrobinson1227
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Nov 1, 2006
6:20 pm
56630
... LOL. That is about what I would expect. -- Rick...
rmrobinson1227
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Nov 1, 2006
6:27 pm
56631
... Or you could use a Rotovator to unclog the exit drain. http://en.wikipedia.org/wiki/Hypersonic_skyhook#Rotovators -HJC http://www.io.com/~hcobb ...
Henry Cobb
henry_cobb
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Nov 2, 2006
6:56 am
56632
First, we're getting the Andermani fleet boxes in next week and will be shipping them the week after. Second, for any orders of $50 or more, we're offering...
Ken Burnside
adastragames
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Nov 3, 2006
6:42 pm
56633
SFCONSIM-LI was interested by the concept of a base or planet 'throwing' shuttles and other small craft out of the atmosphere, but can't find the thread of...
Kurt
kmarti13
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Nov 4, 2006
1:40 am
56634
http://underthemoon.org/home.html http://www.honorharrington.net/shop/home.php?cat=273 [Non-text portions of this message have been removed]...
Scott Palter
agingcow2345
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Nov 4, 2006
5:48 am
56635
i am sure i have seen somewhere of plans to build maglev rails on moon to ship lunar oores to earth orbit possibly in a book called privateers cant remember...
brian
brian2webb
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Nov 4, 2006
11:36 am
56636
... 'throwing' shuttles and other small craft out of the atmosphere, but can't find the thread of that. Does someone have a handle on it? ... I don't recall a...
rmrobinson1227
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Nov 6, 2006
3:44 pm
56637
... but ... we've ... orbiting ... payloads ... We've had several related discussions. In a nutshell, to get off Earth, you need high thrust - at least 1 g of...
Ken Burnside
adastragames
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Nov 6, 2006
5:04 pm
56638
... It seems to me that SpaceShipOne had good start on the best approach. A conventional jet first stage and maybe a nuclear thermal upper. The basic plan...
jarrodlemire
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Nov 6, 2006
5:57 pm
56639
... Or beamed power. ... Laser launch systems sometimes use air for part of the trip, but they're mostly conventional rockets using beamed power to achieve a...
Anthony Jackson
ac_jackson
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Nov 6, 2006
7:09 pm
56640
The other day I saw a documentary which mentioned the space cannon, starting with Newton's original idea, Jules Verne's use and finally Gerald Bull's efforts. ...
Mike Ranson
kroisus
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Nov 6, 2006
7:59 pm
56641
... Regrettably, torch drives, including any possible "clean" ones, probably could not work in an atmosphere, because the cold ambient gas would interfere with...
rmrobinson1227
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Nov 6, 2006
8:25 pm
56642
... Wasn't a small scramjet vehicle tested a few years ago, using a Pegasus to boost it up to Mach 8 or so? IIRC the first test failed, while at least one...
rmrobinson1227
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Nov 6, 2006
8:42 pm
56643
... Depends on the degree to which it can be aimed. For typical designs, no....
Anthony Jackson
ac_jackson
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Nov 6, 2006
8:58 pm
56644
... As long as you can trigger whatever reaction you use to generate the heat, having air mixed into your remass isn't a big deal; it just increases your...
Anthony Jackson
ac_jackson
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Nov 6, 2006
8:58 pm
56645
yes i heard that nasa had tested or were about to test scram jets but not sure how far they have so far taken it spider...
brian
brian2webb
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Nov 6, 2006
9:54 pm
56646
... http://en.wikipedia.org/wiki/X-43...
Anthony Jackson
ac_jackson
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Nov 6, 2006
11:25 pm
56647
... starting with Newton's original idea, Jules Verne's use and finally Gerald Bull's efforts. ... targets or targets attempting to enter orbit? A...
rmrobinson1227
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Nov 6, 2006
11:27 pm
56648
... I think you could have a problem with the mass of air being larger at any given moment than the mass of plasma you're trying to heat, so you end up (for...
rmrobinson1227
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Nov 6, 2006
11:39 pm
56649
... Sure. The presence of air may well kill the fusion reaction. However, most torch drives involve a heat source plus a large quantity of basically neutral...
Anthony Jackson
ac_jackson
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Nov 7, 2006
12:32 am
56650
... Why not combine the two? The beanstalk gets you into orbit and a lunar skyhook drops you off on the moon's surface. You ballast up with moon rocks to make...
Henry Cobb
henry_cobb
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Nov 7, 2006
4:31 am
56651
... enough. D'oh. Didn't think of that, because I was visualizing a surface launch using the torch, a la Heinlein, not a shuttle that can use conventional...
rmrobinson1227
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Nov 7, 2006
5:26 am
56652
<snip of good stuff> ... Why not combine the two? The beanstalk gets you into orbit and a lunar skyhook drops you off on the moon's surface. You ballast up...
Joel
ballarat_sf_nut
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Nov 7, 2006
8:15 am
56653
... It's already happening. http://www.badastronomy.com/bad/misc/tides.html "However, the Earth's rotation is decelerating at a rate of about 0.002 seconds per...
Henry Cobb
henry_cobb
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Nov 7, 2006
12:12 pm
56654
Any ground based weapon firing a shot into space would be next to useless because the time involved in getting a projectile from the surface to orbit would...
Bill Sluss
w_n_sluss
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Nov 7, 2006
5:29 pm
56655
Greetings: "It seems to me that SpaceShipOne had good start on the best approach. A conventional jet first stage and maybe a nuclear thermal upper." Hah. Go...
Fred Kiesche
godel2escher...
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Nov 7, 2006
5:31 pm
56656
Space ship models from another list Scott ... From [deleted] To: cherryhlist@yahoogroups.com Sent: Tuesday, November 07, 2006 4:36 AM Subject: [cherryhlist]...
Scott Palter
agingcow2345
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Nov 7, 2006
5:34 pm
Messages 56627 - 56656 of 81922   Oldest  |  < Older  |  Newer >  |  Newest
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