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- Path: sparky!uunet!digex.com!digex.com!not-for-mail
- From: prb@access.digex.com (Pat)
- Newsgroups: sci.space
- Subject: Re: Organic heat shielding.
- Date: 24 Jan 1993 13:47:54 -0500
- Organization: UDSI
- Lines: 19
- Message-ID: <1juo8qINN3ul@digex.digex.com>
- References: <19777@mindlink.bc.ca>
- NNTP-Posting-Host: access.digex.com
-
- In article <19777@mindlink.bc.ca> Bruce_Dunn@mindlink.bc.ca (Bruce Dunn) writes:
- |
- | The liquid hydrogen tank of the DC-X currently being built is
- |insulated with balsa wood. I saw a photo over the weekend - the speaker
- |noted that they had to bring a worker out of retirement who had the necessary
- |skills for bonding it to the metal. Unless my eyes pulled a perspective
- |trick, the photo showed the balsa on the ***inside*** of the tank.
-
-
- I can believe that. I believe in the Saturn, The insualtionfor
- the liquid hydrogen tank was on the inside. Less heat loss that way,
- except on one stage, I think it was the S-IV where to save weight
- they put the insulation outside the tank, because the cold made the
- metal stronger, thus saving weight.
-
- Someone who has the saturn tech ref will be able to post for sure.
-
- pat
-
-