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Topic: Slippage with a Bolex SP 8 Special
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Steve Klare
Film Guy
Posts: 7016
From: Long Island, NY, USA
Registered: Jun 2003
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posted March 31, 2012 11:18 PM
Welcome Eric,
This sounds like another case of the classic Eumig slipping disk. If you search through this forum looking for the words "Eumig" and "disk", there are a lot of discussions about what people have done about it. (The Bolex SPs are really Eumig products.)
Some sand 'em to roughen the surface, some clean 'em. Sometimes they start working afterwards, sometimes they don't.
I've been waiting for mine to take a skid for a decade now: so far, so good.
Rubbing alcohol is pretty benign: I'd try it for something like this as a first shot.
This is a very simple, very clever continuously variable transmission, unfortunately when the rubber facing on that drive disk wears they tend to lose traction and grind to a halt.
-------------------- All I ask is a wide screen and a projector to light her by...
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