Quote:
Originally Posted by Chak
Most WCD I've seen have the chain or the belt behind the wheels. I've always assumed that the intent is to protect the chain or wheel from caught when the robot is hit from the side.
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It also shortens the moment arm of the cantilevering force on the axle. On this chassis, the tension force carried by the belts will have ~5x the ability to bend the shafts compared to if the belts were right against the chassis rail. Also, when the shafts do deflect (either from the belt tension, or force on the wheels), the pulleys will move ~5x as much, which means your belts will be more out of alignment.
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