RE: OS 61RF Hanno Spec
Thanks, Gary.
I tached my Tower .61 at 10,250 on an APC 11x11 today with 10% nitro. That's with the stock muffler that came with the engine.
I am eager to get this thing in the air and see how it flies my plane with the 11x8, 11x10 and 11x11, since that is the real test.