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Briz and Fregat start much smaller - 20 kN - engines with no time constraints, while Starship re-lights 2200 kN engine and rocket immediately does rotation by 90+ degrees, and time is of essence.


Where do thrust and chamber pressure even come into the equation? It's not that the engine exploded, the thing failed to ignite.


> Where do thrust and chamber pressure even come into the equation?

Thrust given to show difference in engine scale. Pressure isn't shown - what do you mean? :)

The point is that re-light of Briz and Fregat is very different and so hard to compare.




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