Recent Blogs
Electric Hoist Mechanism Explained: How It Works, Parts, Power Train Diagram and Calculator
Explore an electric wire-rope hoist and compare speed ratios, suspended weight, drum torque, line speed and ideal lifting power using effective winding diameter.
Differential Pulley Mechanism: How It Works, Diagram, Formula and Uses Explained
Trace the endless chain in a Weston differential pulley. Compare upper-wheel diameters and calculate signed hook travel and the ideal force ratio.
Yale-weston Differential Gear Hoist Mechanism Explained: How It Works, Diagram, Formula, and Uses
Explore the differential chain-hoist principle. Compare ideal lift per turn, radius difference and hand pull using an assumed efficiency.
Yale Duplex Hoist Mechanism Explained: Weston Brake, Duplex Pawls, Mechanical Advantage
Explore an ideal hand-chain-hoist model. Compare mechanical advantage, assumed hand pull and chain-fall load; results do not establish a lifting rating.
Traveller Hoist: Ideal Equal Wheel-load Comparison
Explore a trolley-mounted hoist and compare an assumed vertical load shared equally between wheels. Results do not rate the hoist or its supporting beam.