If it's Speed & Pulling Power you're after…look no further than CompuSki.
Basically, the blade shape section of this propeller is parabolic and raked aft rather than flat as is conventional.
This parabolic blade design reduces water "slipping off" the cupped blades and therefore creates greater efficiency from a more direct forward drive.
Left Hand & Right Hand Rotations available
Super Cup Style
Variety of sizes available