8mm Forum: Elmo ST-800 replacement belt sizes

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Topic: Elmo ST-800 replacement belt sizes

John Romein
Junior
Posts: 19
From: Port Coquitlam, BC, Canada
Registered: Mar 2014

posted December 17, 2015 06:05 PM

I need to fix a stretched take up belt in the next day or so. I know that I can order these off ebay...but that would be too late. I have a local electronics store that carries many different belts for electronic equipment. The problem I have is that I cannot find any info on what size the belts are. Does anyone know the size and shape (square, round, flat - profile)?

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Barry Fritz
Phenomenal Film Handler

Posts: 1061
From: Burnsville, MN, USA
Registered: Dec 2009

posted December 17, 2015 06:27 PM

Can't you tell by looking at the belt? Measuring it?

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Janice Glesser
Film Goddess

Posts: 3468
From: Sunnyvale, CA USA
Registered: Sep 2011

posted December 17, 2015 06:41 PM

You can take a piece of string... wrap it around the pulleys...then measure the length of the string. A 1/8' round belt should do. But if possible it's best to match the shape of the belt you have already installed.

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Janice

"I'm having a very good day!"
Richard Dreyfuss - Let It Ride (1989).

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Steve Klare
Film Guy

Posts: 7016
From: Long Island, NY, USA
Registered: Jun 2003

posted December 17, 2015 08:54 PM

If I remember right, the upper belt is square in cross section.

The size of the belt?

Measure the distance between the two pulley axles and double it, add that number to the pulley diameter x 3.14 (I think the two pulleys are equal...)

-take this whole number and divide it by 3.14 and you have a number slightly bigger (needs to stretch a little) than the diameter of a new belt laying on the table as a circle.

-maybe line up a couple of belts about the same size and pick and choose which one works the best.

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All I ask is a wide screen and a projector to light her by...

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