Originally Posted by
Leukybear
Wow, that's impressive.
Sure a belt drive can handle torque/ backpedaling no doubt. But a point to keep in mind though is, motorcycle belts are never put through the stresses of abruptly having the powertrain stop entirely during a skid in a snapping motion, then withstanding the inertia of the rear wheel pulling back and the weight/ power of the person pulling forward, often times in quick succession.
Not to mention, motorcycle belts are wider and beefier by design.
I would venture that a motorcycle belt withstands at least a hundredfold the loads of any bicycle belt, even when you include any amplified loads due to sudden impact. My current Harley produces 100 ft-lb peak torque at the rear wheel, and this is sustained loading, not some short peak that lasts a fraction of a second at best. Although the belt on my Harley is wider and no doubt stronger than the ones used on bicycles, I seriously doubt that it is 100X stronger. So, although I know that higher loads may be achieved short term in some skidding situations, I don't believe that you will get anywhere near close to the failure point of the belt, or that the belt will wear out in a lifetime of use.
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