Re: On Topic: Choice of paint used inside S-I stage



simberg.interglobal@xxxxxxxxx (Rand Simberg) wrote in
news:48b59075.304711011@xxxxxxxxxxxxxxxxx:

On Mon, 28 Apr 2008 19:05:29 -0500, in a place far, far away, Damon
Hill <damon1SIX1@xxxxxxxxxxxxxx> made the phosphor on my monitor glow
in such a way as to indicate that:

OM <om@xxxxxxxxxxxxxxxxxxxxxxx> wrote in
news:7fdc14pii5infa2e681soaoafvlqamjkg4@xxxxxxx:

Q: After having watched that famous clip of the S-IVB leaving the
Saturn IB's first stage - the one that looks just like the Original
Galactica's main guns firing! - something came to mind that I never
wondered about before. Why was the entire inside of the adapter above
the fuel tanks painted yellow? What was the decision rationale behind
that choice of color? Was there a specific reason yellow was used, and
did it apply to why the same color was used on the top of the S-II
tank dome?

Yellow chromate primer to prevent corrosion of the aluminum?

What a boring answer.


Yeah, that's practical engineering for you... :)

--Damon
.



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