Thanks for your reply John.

I'm thinking your engine is similar to mine (O200) except Max RPM is 2750.

What was your reason for choosing a 66" prop as opposed to a longer prop?

Thanks,

Quote Originally Posted by jtpitkin06 View Post
Idle at 650. Max 3150 RPM for the 164 cid 2700 cc engine at 100 hp.
3200 PRM for the 190 cid 3100 cc engine at 120 hp.

Direct drive, no gearbox or psru.