Capstan (nautical)
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A capstan is a vertical-axled rotating machine developed for use on sailing ships to multiply the pulling force of sailors when hauling ropes, cables, and hawsers. The principle is similar to that of
Tourists turn a capstan. The tensioned portion of the rope would fasten the ship to the quay, hoist a foresail, lift a spar into position on the mast or be used to transfer cargo to or from a dock or lighter.
Capstan
Anchor windlass
Diagram of Ruston Proctor Steam Capstan, 1883
Winch
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A winch is a mechanical device that is used to pull in or let out or otherwise adjust the tension of a rope or wire rope.
Capstan (nautical)
…combustion engine. Typically, a gearbox is used which trades reduced speed, relative to the prime mover, for increased torque. In yachting terminology, a winch functions on the same principle as a capstan. However, in industrial applications, the term "winch" generally implies a machine which stores the rope…
Front of a MAN-based fire engine with a built-in winch, e.g. for towing damaged cars after an accident
Winch used on a fishing boat to bring in nets
Winching a car onto a tow truck
Glider winch. Winch spool can be seen on the side of the truck, while cables to the right of the image are attached to the glider(s) being launched