In a full-flow staged combustion cycle engine, such as the SpaceX Raptor engine, what gases are produced by the preburners? - Quora
Patrick Morrison no Twitter: "Last one, Full Flow Staged Combustion. I would post XCOR's cycle, but the most detailed we ever got was barely mentioning it on a single slide in a
Juno: New Origins | Engine Cycle Doesn't Affect Exhaust Velocity
Is SpaceX's Raptor engine the king of rocket engines? - YouTube
Raptor has already surpassed RD-270 and IPD (other full-flow engines) : r/spacex