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I asked one of the launch managers last year about the soot, and apparently they used to clean them after each use, but it was taking several days and costing q

I asked one of the launch managers last year about the soot, and apparently they used to clean them after each use, but it was taking several days and costing quite a lot. So they just stopped doing it.

grecy 3y ago
I wonder how much weight it adds
hvl2 3y ago
Reminds me of why the Space Shuttle's external tank was a rusty red color: after the first couple of launches, they stopped painting it white, because of cost and weight.