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Author
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Topic: Advice sought
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Maurice Leakey
Film God
Posts: 5895
From: Bristol. United Kingdom
Registered: Oct 2007
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posted August 04, 2013 10:35 PM
I've got two 655QE and they are fine projectors. Wow and flutter are two separate entities, wow is low frequency instability, and flutter is high frequency stutter.
The two sounds are quite different, wow sounds like an old 78 record playing on a turntable that has trouble revolving at a constant speed, flutter is a sort of chatter (for want of a better word.)
It could be a problem with the auto thread. When the projector is running film, look at the two stabilising sound rollers. They should be virtually still, if you have wow the rollers may be gently moving up and down in sympathy with the sound.
Flutter could be caused by a bottom loop from the gate which is too small and the film is just rubbing on the auto-set roller assembly, but with not enough pressure to operate it. Or the auto-set mechanism is jammed and not operating as it should.
Unclip the side door and watch the film moving through the mechanism. If either of the points above are occurring then stop, remove the film, and lace manually.
Even if, as Michael says, the print is warped, the Bell & Howell should be able to handle it.
To check if the print is warped put it on your rewind and watch as the film goes from spool to spool. You will soon see if the film is warped.
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Maurice
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