Over-tensioning shortens not only the life of V-belts but also that of the sheaves, electric motor, and driven equipment bearings. In extreme cases, it can even bend or break a motor shaft.

One common misconception is that belts will slip more frequently on composite pulleys than on metal pulleys. Not so! The wedging action of V-belts is so efficient that slip should never be an issue; ...

Belt-driven superchargers are a great way to make power, but they require a lot of horsepower to turn—sometimes hundreds of horsepower! That's asking a lot from a lowly serpentine belt originally ...