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The Kestrel engine is an LOX/RP-1 pressure-fed rocket engine. The Kestrel engine was developed by SpaceX for upper stage use on the Falcon 1 rocket.

5 votes

How does SpaceX plan to achieve reusability of the Falcon 9 *second* stage?

One possible thing which might help is to switch to methalox on the second stage to get additional performance to pay for grid fins and a heat shield. The subscale raptor engine they tested back in Se …
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