The friction drive
I made the parts to the friction drive from an 12.5 mm UNF-bolt , and from a rod of brass. The big disc is about 64 mm.
The hole is a little offcenter to get a chance to adjust the distance to the big disc.
I made the parts to the friction drive from an 12.5 mm UNF-bolt , and from a rod of brass. The big disc is about 64 mm.
The hole is a little offcenter to get a chance to adjust the distance to the big disc.