Originally Posted by
kso
I also thought about putting some "tooth" on the black plastic winder. Maybe using a couple thin lines of silicone caulk so there would be some "grab" when it contacted the leather belt. And maybe getting some coarse sand paper and roughing up the belt.
What do you think?
I would hesitate to do anything that permanently altered a white bobbin winder. Parts in good condition for the white
FWs are hard to find and expensive when you do. You might just want to wipe the OD of the wheel with a rag moistened in spray contact cleaner (not kerosene because it will leave an oily film, and not brake cleaner or other solvent that might attack the plastic. Contact cleaner was used to clean rheostats and will not harm the plastic). Then just make sure the belt is clean and the proper tightness.
David
Edit - Joe's idea of the rubber band is great! Increases "traction" with no permanent alteration.