8mm Forum: Problems in projection

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Topic: Problems in projection

Rui Luis
Film Handler

Posts: 58
From: Lisboa, Portugal
Registered: Aug 2013

posted January 04, 2014 12:00 PM

Hello, sometimes i have some projectors of 8mm or super 8 that start to tremble the film, somebody know what can be the problem?
Thanks!
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Joe Taffis
Phenomenal Film Handler

Posts: 1592
From: United States
Registered: Jun 2003

posted January 04, 2014 06:25 PM

Hi Rui, shaky or "trembling" film can be caused by different things. What make/model projectors are you talking about? It can also be caused by dry and/or damaged film....

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Joe Taffis

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Rui Luis
Film Handler

Posts: 58
From: Lisboa, Portugal
Registered: Aug 2013

posted January 04, 2014 07:52 PM

that problem was with different projectors, in this last case was in a Naigai Dual Eight and in a Eumig S 932 Supersound. You remember me, that i didn´t make a test in another projector with the same film. I will try to see if that is the problem. Thanks!

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Brad Kimball
Phenomenal Film Handler

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

posted January 04, 2014 08:08 PM

I get the same thing sometimes with my CHINONs. I always thought it was the mechanics of the projector giving way after so many years. Luckily it's not yet so bad that it detracts from anyone enjoying a film. I just keep in mind that my projectors are all 40+ years old.

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Lee Mannering
Film God

Posts: 3216
From: The Projection Box
Registered: Nov 2006

posted January 05, 2014 02:56 AM

Hi. If you mean by tremble as shaking of the picture it will probably be due to old badly shrunken acetate films in need of a good film lubricant applying carefully to it. Once this has been applied it will help stable the projected image. Sometimes it can also be poor film slitting or even bad punching of the sprocket holes causing the film to register badly in the projector gate as not all prints were manufactured perfectly and some were produced on cheap film stock.

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Rui Luis
Film Handler

Posts: 58
From: Lisboa, Portugal
Registered: Aug 2013

posted January 06, 2014 02:09 PM

I Lee, thanks for your answer, do you know the formula of film lubricant?

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Luis Caramelo
Master Film Handler

Posts: 494
From: Funchal
Registered: Feb 2011

posted January 06, 2014 03:02 PM

hi1 RUI,it,s nice to got a fella from portugal,well to lubrificate,i personaly i don,t use a secret formula,i do use
-filmguard,there,s also a few more,but this,s great,i use it in all my prints,the fims running very smoth on the projectores.

regards;
luis caramelo

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Rui Luis
Film Handler

Posts: 58
From: Lisboa, Portugal
Registered: Aug 2013

posted January 06, 2014 07:42 PM

Hello Luis! Thanks! i will check.
Obrigado! Sim é bom saber e descobrir pessoas interessadas em super 8 em Portugal!!!

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