jeer

A jeer is a system of pulleys and rope (tackles) rigged to hoist, lower, or adjust the yards on a square-rigged sailing ship. The yards are the horizontal spars from which the square sails hang, and moving them requires substantial mechanical advantage, especially on large vessels where a single yard can weigh several tons. The jeer tackle runs from a fixed point high on the mast, passes through blocks attached to the yard, and back down to the deck or a capstan where crew can haul on it.

Most ships carried multiple jeers, one for each yard or pair of yards on the mast. On a three-masted ship with perhaps five or six yards per mast, a working crew needed to manage dozens of individual jeer ropes. The mechanical configuration varied by shipyard practice and vessel size, but typically involved 4:1 or 6:1 mechanical advantage to make the work manageable for a hand crew. Well-maintained jeers were essential for daily sail handling; a frozen or damaged jeer tackle forced the ship to keep sails set even in dangerous conditions.

The term derives from an old nautical verb meaning to turn or twist, reflecting how the tackle mechanism pivots the yard on its central axis. Over time "jeer" became the noun for the whole apparatus rather than just the action. Old ship records and sailing directions refer to "the jeers" as permanent rigging, distinguishing them from temporary tackle lashed for specific tasks.

Wear and chafe were constant problems. Ropes moved back and forth thousands of times, rubbing against the wooden blocks, mast fittings, and yard itself. Tar and grease helped, but jeers required regular inspection and replacement, particularly where rope passed through blocks. In heavy weather or if a yard needed to drop suddenly, a jeer could jam or fray, forcing sailors aloft to manually steady or secure the yard.

The jeer system was rendered obsolete by the rise of steam power and steel-framed vessels. Mechanical winches and steam-driven hoists replaced hand-operated tackles entirely by the late 19th century. Today jeers appear mainly in ship museum rigging, tall ship demonstrations, and historical maritime texts. Their design and maintenance remain a touchstone for understanding how wooden sailing ships actually worked at sea.