Champ S+ Propeller Adapter

This is a 3D printed version of the E-flite Prop Adapter (EFLU4067) for the UMX Beast, Champ S+, F4F Wildcat, and Waco.

It allows you to mount the propeller without the spinner, too.

It is a "some assembly required" design.
There are three 3D printed parts:
1. The main part of the adapter that attaches to the motor.
2. The retainer that keeps the propeller on the shaft.
3. An insert that fits inside the stainless-steel propeller shaft for the retainer-screw to thread into.

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