3in RC Plane Spinner
thingiverse
This two-part propeller spinner boasts a 3-inch diameter and a 5mm shaft hole, making it lighter than typical molded plastic alternatives. It's been successfully used with a 32-size motor for numerous flights without any issues. For assembly, print the base and spinner components, then tap M3 thread holes in the base before securing them with M3 x 6-7mm socket head cap screws.
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