To keep conventional V-belts from slipping on the pullev, the mounting brackets must typically be tightened to produce 120 pounds of belt tension; the resultant friction costs power. However, multiple ...

The three most common cam-drive systems are (from left to right) the gear drive, the double-roller chain and the flatlink timing chain. Not shown is the cogged belt drive, which is mainly used in full ...

“Replace chains when ‘stretch’ exceeds 2% of their original length,” says Greg Madlinger, Daido Chain. If a chain’s original length is unknown, consider this: The distance between the pins on a roller ...