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A frame in which the boom rests when the sail is not hoisted. boom gallows A raised crossmember that supports a boom when the sail is lowered (and which obviates the need for a topping lift). boomie . Also booms'l rig. A ketch-rigged barge with gaff (instead of spritsail) and boom on main and mizzen. Booms'l rig could also refer to cutter ...
The angle of list is the degree to which a vessel heels (leans or tilts) to either port or starboard at equilibrium—with no external forces acting upon it. [1] If a listing ship goes beyond the point where a righting moment will keep it afloat, it will capsize and potentially sink.
Glossary of nautical terms may refer to: Glossary of nautical terms (A–L) Glossary of nautical terms (M–Z) This page was last edited on 21 December 2024 ...
In sailing, a boom is a spar (pole), along the foot of a fore and aft rigged sail, that greatly improves control of the angle and shape of the sail. The primary action of the boom is to keep the foot flatter when the sail angle is away from the centerline of the boat. The boom also serves as an attachment point for more sophisticated control lines.
Also ship's magazine. The ammunition storage area aboard a warship. magnetic bearing An absolute bearing using magnetic north. magnetic north The direction towards the North Magnetic Pole. Varies slowly over time. maiden voyage The first voyage of a ship in its intended role, i.e. excluding trial trips. Maierform bow A V-shaped bow introduced in the late 1920s which allowed a ship to maintain ...
An offset or deviation from normal on this axis is referred to as list or heel. Heel refers to an offset that is intentional or expected, as caused by wind pressure on sails, turning, or other crew actions. The rolling motion towards a steady state (or list) angle due to the ship's own weight distribution is referred in marine engineering as list.
Guys, which control spar angle with respect to the apparent wind. Preventer, is cordage attached to the end of the boom and fixed to (or running through a block) on the rail athwart or forward of the mast. Its most common purpose is to prevent potentially dangerous movement of the spar in an accidental gybe.
A jibboom (also spelled jib-boom) is a spar used to extend the length of a bowsprit on sailing ships. [1] It can itself be extended further by a flying jib-boom. [1] The heel (i.e. rear and lower) end of the flying jib-boom is attached to the jib-boom, and the heel of the jib-boom to the bowsprit.