Winch Crab – Single Purchase

This all-metallic, smooth-running apparatus allows students to quickly and clearly understand the mechanical advantage of the wheel and axle system. · Wheel Diameter: 35 cm · Axle: Stepped in 3 sizes — 20 cm, 10 cm, and 5 cm diameters · Bearings: Ball bearings housed in sturdy iron brackets for smooth operation · Three pulleys are fixed together to form a compound pulley system. · A single cord is wound multiple times around the main wheel and ends in a loop to hold the load hanger.