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General Chat (Vincent Related)
Motorcycle Starter Rollers
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<blockquote data-quote="bmetcalf" data-source="post: 29449" data-attributes="member: 792"><p>Some use longer rollers and drive them with a rear drive car's rear wheel. Car needs to <u>not</u> have a limited slip differential. Brian Chapman can clarify, but I think he used one for Mighty Mouse. Davidd has a roller starter, I'm sure, and may comment.</p><p></p><p>As far as speed, you should be able to calculate what rpm the bike tire is turning at, say, 5 mph, then your roller rpm, then the motor pulley rpm. Is the motor 1500 rpm or 3000? A single reduction might not be enough to get to a reasonable tire spinning speed. You might want slotted holes and a draw bolt (like a Comet G/B) to tension the belt(s). There are design guides on the 'net for tension in belts, etc. Calculating that tension would also be needed.</p></blockquote><p></p>
[QUOTE="bmetcalf, post: 29449, member: 792"] Some use longer rollers and drive them with a rear drive car's rear wheel. Car needs to [U]not[/U] have a limited slip differential. Brian Chapman can clarify, but I think he used one for Mighty Mouse. Davidd has a roller starter, I'm sure, and may comment. As far as speed, you should be able to calculate what rpm the bike tire is turning at, say, 5 mph, then your roller rpm, then the motor pulley rpm. Is the motor 1500 rpm or 3000? A single reduction might not be enough to get to a reasonable tire spinning speed. You might want slotted holes and a draw bolt (like a Comet G/B) to tension the belt(s). There are design guides on the 'net for tension in belts, etc. Calculating that tension would also be needed. [/QUOTE]
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