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-   -   Black V-belts are best (https://www.quiltingboard.com/vintage-antique-machine-enthusiasts-f22/black-v-belts-best-t313745.html)

Gymnast2 01-05-2021 01:17 AM

Black V-belts are best
Many vintage sewing machines got a belt between the motor and the flywheel of the machine. You will find these belts and some pulleys as replacement parts from many stores. The belts will typically be black V-belts, colored lug belts or round O-rings. This video show the result of a comparative tests with these kinds of belts. The black V-belts got the lowest friction loss in the comparison.


Did you know of similar test results elsewhere?

JoeJr 01-06-2021 01:11 PM

Does anyone have a good source for V-belts of decent quality/price? I have ended up refurbishing and selling a lot of my machines and if I need a new belt it's a round O-ring because of the cost.

Gymnast2 01-06-2021 01:24 PM

I think the sewing machine stores will normally have them, but I often find limited information on the websites on what the exsact dimensions are. Try look here:

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