Print your own propellers! The pitch and diameter of these designs are adjustable and can be optimized for the geometry of the propellers and the hub can be tuned for a specific plane.
The basic version of this propeller has a 9 inch diameter and 4 inch pitch. The design allows change to both parameters and the number of blades from two to three. With 4 or more blades the hub diameter needs to increased as well. Blades and hub are separate parts.
Visit the project page to learn more and download the files.
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