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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Cush Drive
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<blockquote data-quote="BigEd" data-source="post: 45588" data-attributes="member: 161"><p>I was always led to believe that toothed drive belt do not stretch so don't have a shock absorbing quality. They have a rubber content but I thought that the strengthening fibres in the belt don't stretch so ideally belts should have a cush drive to ease the shock. I don't think that toothed timing belts have a cush drive but maybe the loadings aren't the same as in a motorcycle primary drive. Also if they "stretched" they wouldn't be good for accurate timing. Do the modern machines that run a toothed belt final drive have a cush drive in the transmission somewhere? Any transmission experts out there?</p></blockquote><p></p>
[QUOTE="BigEd, post: 45588, member: 161"] I was always led to believe that toothed drive belt do not stretch so don't have a shock absorbing quality. They have a rubber content but I thought that the strengthening fibres in the belt don't stretch so ideally belts should have a cush drive to ease the shock. I don't think that toothed timing belts have a cush drive but maybe the loadings aren't the same as in a motorcycle primary drive. Also if they "stretched" they wouldn't be good for accurate timing. Do the modern machines that run a toothed belt final drive have a cush drive in the transmission somewhere? Any transmission experts out there? [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Cush Drive
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