How crowned pulleys work. http://woodgears.ca/bandsaw/crowned_pulleys.html
Showing how flat belts stay centered on crowned pulleys. Before V-belts were invented, flat bets were used to transmit power to all kinds of machinery. Flat belts can run faster, and offer higher efficiency than V-belts commonly used. But they need more tension, and need to be set up more precisely to successfully track.
Tags: How crowned pulleys work, pulley, belt, transmission