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BYU_CMR

Centrifugal Clutch

by BYU_CMR Aug 21, 2018
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Can you tell me how you hooked this up to your Dremel? I wanted try it out myself but could not figure out how you did that.

I used the tool that has the little rubber bushing.

We got a rod the same size as a dremel tool shaft (you could also use an old dremel tool shaft) then used (super?) glue to attach the blue piece to the rod. We also modified the center of the blue piece to be the size of the rod.

Hey, great design. Have you thought on giving the green and orange parts little teeths so they get a much higher friction?

For this type of clutch you normally use a friction lining, a thin sheet of rubber or brake type lining inside the bell / drum. Since this was originally designed for a chainsaw they may have left it low clearance and all metal for reliability. If there's enough clearance you could put a thin rubber band around the inner clutch. Might affect the engagement RPM a bit but should add some friction over just plastic on plastic.

Anyone with any real needs or interest in the subject should look at RC helicopter clutches, very similar and you'll get a ton of ideas just from a Google image search, almost every idea possible has been tried over the last 30 or 40 years.

because of the high rpm the teeth would worn down quickly