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Old 21st Apr 2017, 12:04 am   #6
Join Date: Jan 2012
Location: Brentwood, Essex, UK.
Posts: 2,782
Default Re: Slow Motion Drive Problem

I used to have a Eumig 8mm cine projector that had what sounds like a similar arrangement of steel wheel and rubber-coated disc to provide variable speed control by adjusting the radial position of contact. It used to slip in the position of normal speed as the rubber had lost its grip. Following a hint on this forum I applied some household Glycerine to the rubber, and it did indeed restore the grip. If you find it still slips after cleaning, this might help. I just smeared Glycerine over the surface of the rubber, left it for about 10 mins, and then cleaned it off.
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