Recent Blogs
Tatham's Dynamometer: Ideal Moment and Power Calculator
Compare ideal reaction moment, inferred tension difference and rotational power from entered force, arm, pulley diameters and speed. No calibration is performed.
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 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.