Propeller Terminology

The Michigan Wheel guide to understanding propellers. Here you will find everything from propeller parts to terminology that will help you understand how boat propellers work.



The transverse sweeping of a blade such that viewing the blades from fore or aft shows an asymmetrical shape. Aft skew is positive skew, where blades sweep in the direction opposite of rotation. Forward skew is negative skew, where blades sweep in the same direction as rotation.