This foam airfoil is first modified for the attachment ... Of course, this is only a demonstration of making a single blade for a prop. The next trick is turning that single blade into a propeller.

For human powered systems the efficiency must be as high as possible and the design of the propeller airfoil is crucial to achieving sustained flight or long distance boat travel.

Hartzell Propeller is launching a new promotion for all of calendar year 2025, offering a $1,000 discount on any new carbon fiber composite propeller through its Top Prop STC ...

R/C propeller blades are sold by diameter and blade pitch. The pitch is a measure of the angle of attack of the blades. R/C blades also have an airfoil style curve molded into them. Removing this ...