Triple pulleys utilize three rotating wheels (sheaves) within a frame to significantly reduce the force needed to lift or move a load. These pulleys are commonly employed in various mechanical advantage systems, such as 6:1 configurations, providing increased pulling power. The efficiency of a triple pulley system is directly related to the reduction of friction within the bearings and the rope diameter used. Higher quality bearings and smaller rope diameters generally increase the overall efficiency of the system.
The Orbiter H is a triple pulley with bottom becket, perfect for confined space and heavy hauling. Ideal for constructing a 6:1 mechanical advantage system when larger lifting force is required.