8mm Forum: ELMO SC-18 Speed Control

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Topic: ELMO SC-18 Speed Control

Jon R Light
Junior
Posts: 8
From: Chilliwack, B.C. Canada
Registered: Nov 2007

posted November 26, 2007 09:17 PM

I have been made aware that there is a relatively easy way to add variable speed control to the Elmo SC-18 which has 2 fixed speeds. Does anyone have access to this conversion, or a schematic, or pictorial on how this is accomplished. It would be greatly appreciated......

All the Best,

Jon Light

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Jon R Light

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Jon R Light
Junior
Posts: 8
From: Chilliwack, B.C. Canada
Registered: Nov 2007

posted December 19, 2008 09:46 PM

Found a place for this conversion ...

http://www.bioscomputers.ca/Elmo%20SC-18.htm

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Jon R Light

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Robert Oakley
Film Handler

Posts: 46
From: Binghamton, NY
Registered: Dec 2003

posted June 06, 2009 12:09 AM

The sc-18 is not fixed speed. It has internal pots to adjust the speeds of both 18fps and 24fps. Most Elmo Super 8 projectors have a motor control circuit board.

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Kevin Faulkner
Film God

Posts: 4071
From: Essex UK
Registered: Jun 2003

posted June 06, 2009 05:45 AM

The ST1200 series have an AC motor and they don't use a speed control circuit as they are synchronised with the mains frequency.

The rest of the Elmo super 8 sound machines all have a similar motor control board except the GS1200 which has a far more complicated arrangement due to the inbuilt ESS system.

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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