Assuming single-use. Reusable rocket engines are different beasts. | Hacker News

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		regularfry on Jan 14, 2022 \| parent \| context \| favorite \| on: Engine cooling – why rocket engines don’t melt Assuming single-use. Reusable rocket engines are different beasts.

zaarn on Jan 14, 2022 [–]

Engineer it for 30 minutes and swap it regularly (SpaceX swaps turbines and pumps often enough because they do break down after only one or three launches)

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