Michael wrote:
> Alex wrote:
> As for weight if you compare multi catpac single nozzle to
> multiple engines of the same thrust which would be lighter?
Lighter isn't the sole issue. Servicability is a top consideration.
Reliability is a top consideration. Performance of the overall vehicle
is a top consideration. There are lots of tradeoffs - it's not a
matter of size alone.
But what about the contention that bigger engines are typically more
efficient (higher Isp)? I'm not arguing for or against multiple cat packs,
but about the size of engines in general.
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