Thread

1. advisedwang · 1789771213 · focus · HN ↗

   > A full-flow staged combustion engine is very complex, and prior to the Raptor only two had been built, neither of which successfully flew on a rocket.

   Isn't the Space shuttle main engine / SLS engine a full-flow staged combustion engine?

   1. nbadg · 1789771465 · focus · HN ↗

      No, it&#x27;s a fuel rich staged combustion cycle: <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;RS-25" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;RS-25

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