11 Jun
2003
11 Jun
'03
7:56 p.m.
On 2003.06.11 22:35 "Feldman, Robert" wrote:
My favorite is that the re-entry heat shields on early
missions were
not ceramic, like ours, but were made of green oak.
That is actually smart. Wood
conducts heat very bad. So you have a good
heat insulation effect. The wood will burn, but you can calculate quite
precice how much wood will be burned.
--
tsch??,
Jochen
Homepage: http://www.unixag-kl.fh-kl.de/~jkunz/