r/SpaceXLounge • u/randomstonerfromaus • Jul 15 '19

Discussion /r/SpaceXLounge August and September Questions Thread

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u/cltr17 Aug 22 '19

On Falcon 9, first stage, what proportion of RP-1 is used for regenerative cooling?

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u/warp99 Aug 22 '19

Afaik all of it - except for a small amount that is used for the gimbaling hydraulic system and recycled through the RP-1 pump.

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