What fuel and oxidizer combination does the Raptor engine utilize?
Answer
Liquid methane and liquid oxygen ($ ext{CH}_4$ and $ ext{LOX}$)
The Raptor squeezes energy out of its propellant mix, which is identified as liquid methane and liquid oxygen ($ ext{CH}_4$ and $ ext{LOX}$). This contrasts with the Merlin engine's use of RP-1/LOX.
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