This simple looking gadget had to be one of the most difficult and frustrating projects I have ever built, I could make it look like a duck but never get the wool to wind properly onto the spool.
It is a popular item among the fiber folk, it makes a center pull ball of wool. At the time they were selling on auction for a bit over $100.00.
I purchased aluminum stock to machine to pulley and cone, the belts are off the shelf O-rings and a couple of bronze bushings not shown - total cost less than $8.00 to make.
The center cone remains stationary while the big pulley below to ball rotates to create the ball of wool. The O-ring on the large pulley is to give it friction.
A similar winder currently selling on ebay for $138.00 Ball Winder
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