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Stoke Space test-fires new booster engine (spacenews.com)

submitted 5 months ago by toast@retrolemmy.com to c/spaceflight@sh.itjust.works

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The engine uses a design called full-flow staged combustion, where both the engine’s fuel and oxidizer — liquified natural gas and liquid oxygen, respectively — go through separate preburners before going into the main combustion chamber.

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[–] toast@retrolemmy.com 1 points 5 months ago

How is their second stage different, I guess you are asking?

They will use a 30 (I believe) nozzle engine that works like an aerospike and is steered but not gimbaled (they throttle chambers/nozzles instead), cool the exterior with the fuel, and use a traditional capsule shape overall. Might just work