Hi, i have a 17' Starcraft boat powered by a Yamaha 85hp 2 stroke engine. The prop on the engine is a 13x17 (3 blades).
With this set up, i have reach 44,73 mph (speed mesured by GPS) and the engine rev 6000 rpm at WOT.
My question is: Can i expect reach 48-50 MPH with a 13x19 prop ??
