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cone for pusher modified Graupner propeller holder

Download free STL file cone for pusher modified Graupner propeller holder • 3D printer template, cavern

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3D model description

I had this Graupner propeller holder that I modified a lot, removing the cone, and cutting out everything not necessary to maintain the blades on the motor shaft. Also the holder shaft was shortened too.

Made this cone to fit a pusher position on a SkySurfer X8. It covers the holder and reaches the motor body to make a smooth aerodynamical compound.

EDIT 2 Feb 2019 :
The folding prop may be folding down too much at low speed, giving a hard time to the motor balance when starting up again.

The v2 version includes a sort of small propeller on witch the folding prop will bump so that it can not fold down too much.

EDIT 14 March 2019 :
I finally finished tuning up my SkySurfer and its mods. THis ends up in a v3 version of the cone, with a removable plate carrying 2 fingers for the propeller to fold against.

  • 3D file format: STL

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