[amsat-bb] Re: LEO launch?
G0MRF at aol.com
Sun Jul 27 12:56:57 PDT 2008
In a message dated 27/07/2008 19:32:26 GMT Standard Time, w7lrd at comcast.net
Near the end of this article they mention a LEO launch vehicle. Something
to think about!
73 Bob W7LRD
Sadly I think the general approach to Virgin Galactic's space tourism is
incompaible with small satellites as we know them.
The Virgin / Rutan plan takes people into space, but with zero relative
velocity to the earth. This means that gravity will cause their spaceship 2 and
any satellite to fall straight back down.
To achieve orbit, the satellite would need propulsion capable of generating
about 18,000 miles per hour of 'horizontal' motion + a bit more altitude would
be nice too. Easier than launching from the earth. No friction from the
atmosphere, but still a very difficult task.
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