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» Film-Tech Forum ARCHIVE   » Operations   » Film Handlers' Forum   » Film Take-Up mechanical clutch problems on an FP20 (Page 2)

 
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Author Topic: Film Take-Up mechanical clutch problems on an FP20
Ian Griggs
Film Handler

Posts: 30
From: Lithgow, NSW / Australia
Registered: Jul 2016


 - posted 10-19-2016 11:46 PM      Profile for Ian Griggs   Email Ian Griggs   Send New Private Message       Edit/Delete Post 
Thank you gents. All excellent info!
Looks like here in oz it's down to Supa Cheap Autos for a drop of "Diff Oil" for the clutch disc!
One thing I did try which works straight away, is the take up hub diameter. Using a 6000ft spool for take up (irrespective of what is the feed spool), it takes up nicely from the start with no loose rolls. That's why when taking up on anything smaller, it came good after the hub diameter increased with a few minutes of film. Cheers and happy Kinotoning?

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Steve Guttag
We forgot the crackers Gromit!!!

Posts: 12814
From: Annapolis, MD
Registered: Dec 1999


 - posted 10-20-2016 01:32 AM      Profile for Steve Guttag   Email Steve Guttag   Send New Private Message       Edit/Delete Post 
For "6000" foot reels, I've generally liked using 7-inch hubs (and 25-inch flanges). Getting that hub larger goes a long way to smoothing out the take up at start ups. Ideally though, you'd like to keep the hub to flange ratio to 3:1 or less. So technically, for a 24" reel, the hub should be 8" but then you won't get 6000-feet.

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