Thansk for the advice everyone...........
The highest pitch mercury make for my engine is a 19 pitch, if we base 1 pitch on 200 rpm will it be enought to bring the revs down to a safe limit? 1000 rpm to high ?
Has anyone else got a 4.5 meter with a 60hp on it?
Many thanks for the advice........
Originally Posted by reinier
To be honest, I don't think that's correct, the rule of thumb: 1" higher pitch = 200 RPM less. So 2" pitch higher will result in a loss of 400 RPM. I think it's reasonable to test a 19" pitch prop on the 60hp merc.