Hex drill adaptor for generator coil winding
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A simple part to attach a hex bit to a drill for winding coils for the Tom Stanton hand cranked generator.
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Model information
- Source
- Printables
- Category
- Electronics
- License
- Creative Commons — Attribution — Noncommercial
I was building my own version of Tom Stanton's hand cranked generator: https://www.printables.com/model/658157-hand-crank-generator
My first attempt at winding the coils by hand wasn't pretty, so I designed this part to allow a drill to attach using a 6mm hex bit. Combined with an optical tachometer, this allows fast coil winding with a precise coil count.
I would recommend drilling out a pair of coil templates, plus a single coil stiffener from the original files with a 3mm drill bit. Then use two M3 x 25mm bolts through those parts and into the hex adaptor. It is sized so that the M3 bolts will cut their own thread..
I covered my version of this project in the following video: