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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.
Harrington CB Hoist: Catalog Pull and Chain Travel | FIRGELLI
Look up listed CB model ratings and calculate hand-chain travel from overhaul ratio and desired hook lift. This tool does not select a hoist or...