(most of) the shuttles from burning up on re-entry.
It would contain the heat well, perhaps too well. At 3" thick it has an r-value around 1000 and weighs about 1 pound per square foot. It becomes ablative around 1200 C.
?-)
(most of) the shuttles from burning up on re-entry.
It would contain the heat well, perhaps too well. At 3" thick it has an r-value around 1000 and weighs about 1 pound per square foot. It becomes ablative around 1200 C.
?-)
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