lobbers said:can anyone shed some light on what sort of speed i may get out of my yam 200 prov with 21" prop please
lobbers said:so what would be a better size prop to use
lobbers said:so what would be a better size prop to use
lobbers said:ok thank i,ll have to see how she goes know where there is a 4 bladed phirana 24" prop
FrenchPhil said:Isnt there a speed calc out there with boat weight ? It definitly has an impact on speed.