75x50mm (3x2") foldable propeller and motor mount for 1108 4250kV Brushless motor
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A small 75mm diameter and 50mm step fordable propeller (3x2 inches) to use with small RC gliders.
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Model information
- Source
- Printables
- Category
- RC & Robotics
- License
- Creative Commons — Attribution
I designed this to use with the nice AngelWings Design Pug DLG but it is suitable to any other small glider.
Print the propeller blades with 0.1mm or 0.15mm layer height and the other parts are suitable for 0.2mm. 100% infill. Tested with PETG only but should work with PLA and ABS alike.
Bone and Blade print 2x each.
I prefer to use nylon M2 screws to fix the core with the propeller to the motor and base.
Use a small piece of filament as the blades axis. I just melt the tips of it on the bone part. Put the propeller blades, add the next bone part and melt the tips of the pins again. The core piece have the larger side to the front and is not required to be glued. But you can if you want.
PS.: At the photos the core is inverted! Use the CAD rendering as a guide. At the time I glued the Core to the Bones and later realized that was not necessary at all.
It is easy and fast to print and only had broken propellers when hitting hard surfaces. Never had any issues while flying.