Single pulley systems can be seen in cranes, lifting a bucket from a well, raising a flag or adjusting window blinds. Figure caption, A single fixed pulley has a mechanical advantage of one.

02.This 350 small-block Chevy is typical of what’s under the hood of many hot rods. Originally, it ran a V-belt system, but V-belts tend to slip when the horsepower gets ratcheted up too far.

Eddie Motorsports entered the pulley arena with its S-Drive billet aluminum serpentine systems, CNC machined right here in the US of A from 6061-T6 aluminum.