8mm Forum: why Do My SILENTS Have Shivers

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Topic: why Do My SILENTS Have Shivers

Brad Kimball
Phenomenal Film Handler

Posts: 1171
From: Highland Mills, NY USA
Registered: Jun 2003

posted June 28, 2004 10:59 PM

While running a few Super-8 SILENTs through my Sound units. They all seem to have the Shivers - very unstable projection regardless of the speed. Any ideas as to why? Could it be the lack of stripes on either side of the film?

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Maurizio Di Cintio
Jedi Master Film Handler

Posts: 977
From: Ortona, Italy
Registered: Jan 2004

posted June 30, 2004 07:03 AM

Maybe. What projector are you experiencing this problem with?

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Maurizio

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John Whittle
Jedi Master Film Handler

Posts: 791
From: Northridge, CA USA
Registered: Jun 2003

posted June 30, 2004 12:26 PM

Brad

Move the frame line into the picture and see if it's steady. If it is, then the problem may be in the original materials have shrunk (silent pictures are rather old and were shot on nitrate film which had a high shrinkage rate).

If the frame line bounces the problem might be with the projector or dry film.

John

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Brad Kimball
Phenomenal Film Handler

Posts: 1171
From: Highland Mills, NY USA
Registered: Jun 2003

posted July 01, 2004 12:09 AM

It's still a littl jittery. The films I'm projecting are Castle shorts, Ken shorts and assorted Blackhawk 2-reelers (all from the 70's). Yet, it doesn't seem to be doing it with my SOUND titles from the same manufacturers. Which is why I was wondering if it's common with most SOUND projectors when they run silent editions. Could it be the film is lighter (due to the absence of mag stripes) and therefore more prone to be a bit jumpy? I don't lose the loop at all or get chattering - just a picture that's a bit unstable. It happens at both 24fps and 18 fps.

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John Whittle
Jedi Master Film Handler

Posts: 791
From: Northridge, CA USA
Registered: Jun 2003

posted July 01, 2004 12:42 PM

Brad,

I think your silent films just need to be cleaned and lubed. The magstriped prints are making it thru the projector better since the film is held off the metal by the mag stripes.

A good film cleaner (such as Kodak color movie film cleaner or equal) would do the job.

Noise in the gate is usually a sign of a dry print (it can be other things, but by far it's a dry print especially if other prints are running ok.)

John

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Henry Perangelo
Film Handler

Posts: 33
From: Durham, NC
Registered: Jun 2003

posted July 01, 2004 01:57 PM

Brad,

Does your film have a slight curl? I have seen this with 8mm films more often than Super-8mm. You can check out the film in question by putting the film on rewinds. When you are 1/2-way through the film, relax the rewinds & see if the film has a slight curl or bend. If it does you can try a tight, reverse rewind & a soak in film renew for a few weeks. I have had some luck with this method. It all depends on how bad the curl is.

-Henry-

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Kevin Faulkner
Film God

Posts: 4071
From: Essex UK
Registered: Jun 2003

posted July 01, 2004 02:48 PM

What Projector are you putting the films through? On some machines such as the ST1200 & GS1200 it's recommended to use the Optical position so that the Head pressure plate doesent push down on the film. I'm more inclinded to agree with earlier suggestions about lubrication and shrinkage.

Kev.

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GS1200 Xenon with Elmo 1.0...great combo along with a 16-CL Xenon for that super bright white light.

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Brad Kimball
Phenomenal Film Handler

Posts: 1171
From: Highland Mills, NY USA
Registered: Jun 2003

posted July 01, 2004 10:32 PM

CHINON 6100 & 7000

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