I'm rebuilding a 4 hp johnson 2 stroke outboard (1969) and have 2 props that fit it.
Which one would be best for my sailboat ? (it doesn't plane and has a hull speed of around 5 knots)
Its 5,5m long, 5m waterline and weighs around 700kg.
(18feet, 16.5feet and around 1550lbs)
The specs of the...