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Unread 01-10-2015, 12:04
Travis Schuh Travis Schuh is offline
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Re: Belt Driven Drive Trains

Quote:
Originally Posted by jkelleyrtp View Post
Stemming from this, is there a maximum length before it is necessary to drive to another pulley and belt system. I could imagine that longer stretches of belts would be more likely to hop teeth and shorten the lifespan, but I see a few teams running belts through their tubing for all 3 wheels.
Gates actually recommends that you down rate the maximum torque of a belt system when the center to center distance is short, however this is assuming a properly tensioned system. They have more details in their design doc that is linked to above, each torque table has a length correction factor.

For example, with a short 5mm HTD belts (less than 87 teeth), the maximum torque for a sprocket size is down-rated to 80%. A belt longer than 219 teeth has a correction factor of 120%.