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by gnarbarian 2130 days ago
https://www.google.com/url?sa=t&source=web&rct=j&url=https:/...

SpaceX has the first flight tested, full flow dual turbopump engine.

As in there are turbopumps for both the lox and methane tanks powered by burning extra rich mixtures for each pump leaving enough unburnt lox and methane in the perfect ratio to generate the record primary thrust.