Posted by tedious on 11/20/16 - 4:38 AM
#3
Your numbers work out to 30% slip, which is a crazy value - mostly it's around 10. You've either got a ton of drag or something else is going on we don't know about yet. Try taking the whale tail off, and clarify what height the motor is mounted at - maybe if the whale tail is buried deep the whole time, that's causing your drag.
Is the prop itself in decent shape?
Edited by tedious on 11/20/16 - 7:24 AM