Re: Returning an ET: was Re: NASA Targets June Launch for Space Shuttle Atlantis
- From: "Jeff Findley" <jeff.findley@xxxxxxxxxxxxxx>
- Date: Mon, 16 Apr 2007 13:24:05 -0400
"Craig Fink" <WeBeGood@xxxxxxxxx> wrote in message
news:o3OUh.22118$PL.65@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Greg D. Moore (Strider) wrote:
I've always wondered what it would take to make an ET survive re-entry.
Put some sort of stabilization on it, chute for landing?
Would the existing SOFI work well enough as a ablative shield of some
sort?
Even as a demo it could be interesting. I mean the tank is sort of the
epitome of what people describe as ideal for re-entry, very light but
massive.
I think you'd end up making it out of Titanium, didn't a large percentage
of
the Aluminum from Columbia burn up in the atmosphere.
You're totally missing the point! Since the ET is mostly empty space, much
of its decelleration happens higher up in the atmosphere so the heating is a
lot less than the very dense orbiter experiences.
Jeff
--
"They that can give up essential liberty to obtain a
little temporary safety deserve neither liberty nor
safety"
- B. Franklin, Bartlett's Familiar Quotations (1919)
.
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