The worm gear drive whirligig outside in the wind. Wind speeds at the time this video was created were 11mpg with gusts to 19mph. Gear ratio is 34:1 (34 rotations of the propeller and thus the worm screw create 1 rotation of the worm gear) .

Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in Tough PLA on Ultimaker S5s and an Ultimaker 3e.