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Ajedi32
on Aug 3, 2021
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SpaceX installed 29 Raptor engines on a Super Heav...
Probably closer to half the price of the RS-25 then, assuming normal Merlins are made mostly out of steel:
https://www.wolframalpha.com/input/?i=%28%28%28630+kg+*+%28d...
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Search:
https://www.wolframalpha.com/input/?i=%28%28%28630+kg+*+%28d...