Air Coil Winder

Made an Air Coil winder with Mark Rosen.

Chuck in a small screwdriver into the chuck, put a magnet on the drill to count rotations using an iPhone app (Turns Counter).
Pull off the coil, attach some leads and power! It jumps!
If it’s stupid and it works, it’s not stupid!

Put a magnet on the drill to count rotations using an iPhone app (Turns Counter).

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