@grandmas denture : Thanks !
still it feels there's room for improvement. I think my engine runs strong horses.
@scooby_hugh : you're right, but no low water pick up for now for me. Now I come to think of it : can you even run a chopper style prop without low water pickup ? ... I guess you can as long as you don't compromise the cooling.
Why would you use a cleaver on a P21 that normally needs bowlift ? In rough waters maybe ?? to keep the nose down and the stern up ??
Anyone else want to share propinfo ?