Folding Pusher Prop 3D Printed Stop (Aeronaut 38mm hub)

This is something I ended up making to help me pop a 9x5" prop onto my ZOHD Dart XL to replace the supplied prop. I'm using a Aeronaut 38mm hub and Graupner 9x5 blades.

This single piece converts the 8mm hole to the 5mm needed for the motor shaft and also has 1mm spacers in case you find yourself with props with 6mm roots (rather than the 8mm on the hub)!

Some fine tuning with a file/knife may be needed on each side to ensure that each blade deflects the same amount in both the folded and