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I thought orbital speed was 17,500 mph. And-at least one of the reasons
SpaceshipOne doesn't need all the heat shielding is because of it's low weight. mike regish "Corky Scott" wrote in message ... On Fri, 3 Dec 2004 09:32:45 -0600, "Jeff Franks" wrote: Spaceship One could be built from carbon fiber and epoxy because it does not have to re-enter the atmosphere. In order to get out of the atmosphere and into orbit, the vehical, any vehical, would need to achieve over 25,000 miles per hour to escape earth's gravity. Spaceship one only needed a fraction of that speed in order to sling into near space. . Corky Scott |
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