Re: [TCML] Need coil winding advice

["Jon Danniken" <danniken@xxxxxxxxxxx>]

----- Original Message ----- 
From: "bartb" wrote:
> I personally cut 3 slots into two wooden discs (16" diameter) out of old 
> wire spool ends. The slots were equally spaced from near the center 
> outward. In the slots I mounted aluminum cylinders (3/8"D x 4"L). I 
> simply screwed in a bolt from one side of the disc slot into the end of 
> the cylinder on the other side in each slot (so 3 cylinders). The slots 
> allow me to adjust from 3" to 15" diameter coils. The aluminum cylinder 
> fit on the inside of the form and are slid into equal positions against 
> the inside walls. One disc has a bearing block mounted for free 
> spinning. The other disc has a shaft locked to it which I insert into 
> another free spinning bearing block. I use a slow gear motor and belt 
> system to drive the shaft and a variable DC power supply to adjust the 
> speed.

That reminds me a lot of how a lathe chuck works; great design Bart!

Jon
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