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Winding a Spiral Primary



Original poster: Drbillpmt@xxxxxxx
Hi All,

I'm having a problem winding spiral flat coils of 1/4" and 3/16" copper tubing. Som of the pictures posted show flat coils that are works of art! I'm usually pretty good at things mechanical, but I just can't seem to be able to devise a way to repetitively, and accurately, wind many coils necessary for a customer order.

The center of the spiral is quite small.

Dr. Bill