Originally Posted by
Glowgeek
I haven't seen that much from my 220. What prop and rpm? What prop constant in the calculator?
APC 18 x 6, wideblade, 7650 RPM. According to Pé Reivers that was 2,4 hp. Admittedly, that is all peaked to the max and on a lucky day.
I usually tune or 7300~7400 RPM on the ground.
But it unloads to 8200 in level flight, which fo that engine probably is around 2,5 hp