Originally Posted by
Dawes-man
Expanding, eh? In that case it sounds like it might be of the Citroen 2CV centrifugal clutch type - a drum within a drum with weighted metal strips, made of a springy steel, around the outer circumference of the inner drum, attached at only one end of the strip so that at the revs increase the unattached ends of the strips move out and make contact with the outer drum and turn it.
Whatever; that graphic on post
#2 belongs on a T-shirt. I'd buy one.
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