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Pulley belts question.


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Older v-groove belts which are triangular in cross-section are difficult to replicate in scale, but newer serpentine style belts which are closer to "flat" are easier. Here's a good tutorial: http://www.italianhorses.net/Tutorials/Drivebelt/dbelts.htm

For v-groove belts, I've found cassette tape players, especially the dual cassette units, have small rubber belts which drive the tape mechanisms and the pulleys. The few I have seen are too big for bi-scale, but I think the belts could be made to work with a pulley into which a v-notch has been filed.

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