Originally Posted by
leonf
I've used 5 or 6 of these. They need lube and screw tightening sometimes, but serviceable.
Leonf, oh guru of all that is hand crankable: Is there any info on the size of the drive shaft in sewing machines? Like, how many of them are compatible with that spoked wheel you need to make a crank crank. Because I would like to see a hand crank zigzag machine.