In article , RobertR237 says...

Ah Hell Chuck, you missed the point of the question here. The thrust produced
will remain the same in both instances regardless of the engine horsepower. If
indeed the 100hp engine is turning the prop at 2300 rpm and requires the full
100 hp to do so, the 150 hp engine is not producing full power to turn the
prop. A 1000 hp engine turning the same prop at the same rpm will still
produce the exact same thrust.

Ah hell Bob,I guess I don't see what point I missed :-) Seems we're both saying
the same thing. Given it's the same prop on both engines and the prop is turning
2300 rpm it will always produce the same thrust at that rpm regardless .However
if you start to open the throttle the 1000 hp engine it will turn faster and
produce more thrust because it has the power to do so...But the prop will be
spinning faster than 2300 . Maybe I'm not understanding the question.

See ya

Chuck (time for Beany) S