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The wheels on either a vertical or horizontal windlass provide for either chain or line to be engaged. The wheel for line is termed a warping head, while the chain handling wheel is variously referred to as the gypsy (in the UK) or wildcat (in North America). For clarity in communication the generic term chainwheel is often used.
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. 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 .
Topping lift: a line running from a cleat on the mast through a block at the masthead and down to the aft end of a boom for supporting the boom when not in use or when reefing. Topsides: the side planking of a boat from the waterline to the sheerstrake. Transom: a vertical part of the hull at the stern. Transoms provide width and additional ...
Vitruvius, a military engineer writing about 28 BC, defined a machine as "a combination of timber fastened together, chiefly efficacious in moving great weights."About a century later, Hero of Alexandria summarized the practice of his day by naming the "five simple machines" for "moving a given weight by a given force" as the lever, windlass, screw for power, wedge, and tackle block (pulley).
Hoist atop an elevator. A hoist is a device used for lifting or lowering a load by means of a drum or lift-wheel around which rope or chain wraps. It may be manually operated, electrically or pneumatically driven and may use chain, fiber or wire rope as its lifting medium.
Chain – Series of connected links which are typically made of metal; Chain hoist – Device used for lifting or lowering a load; Chain stopper; Come-along – Lever operated, portable ratchet winch; Crane (machine) – Type of machine; Crawler (rigging) Hook – Tool used to grab onto, connect, or attach to something
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