This is topic 16mm rewinds in forum 16mm Forum at 8mm Forum.
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Posted by Jim Schrader (Member # 9) on April 09, 2009, 08:46 PM:
How come rewinds go in the opposite direction when you turn it clockwise?
Posted by John Whittle (Member # 22) on April 10, 2009, 08:46 AM:
Because of the gearing. For most rewinds there is a gear on the handle and one on the shaft so as one is rotated, the other gear is engaged in the opposite direction.
Even the dual speed Filmo rewinds do this as well.
Since this became the standard on professional rewinds back in the early 1900s, it was never changed.
John
Posted by David Pannell (Member # 300) on April 17, 2009, 07:42 AM:
Except for the 16mm Elmo rewinds which I have, where the gearing is an internal planetary arrangement. This is where the teeth on the winding handle gear are on the inner edge of the large gear wheel, instead of being on the outer edge. Thus the driven gear turns in the same direction as the handle! Q.E.D.
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