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  2. Topping lift - Wikipedia

    en.wikipedia.org/wiki/Topping_lift

    Topping lift. The topping lift (more rarely known as an uphaul) is a line which applies upward force on a boom on a sailboat . Part of the running rigging, topping lifts are primarily used to hold a boom up when the sail is lowered. [ 1] This line would run from near the free end of the boom (s) forward to the top of the mast.

  3. Heavy-lift ship - Wikipedia

    en.wikipedia.org/wiki/Heavy-lift_ship

    A heavy-lift ship is a vessel designed to move very large loads that cannot be transported by normal ships. They are of two types: Semi-submersible ships that take on water ballast to allow the load—usually another vessel—to be floated over the deck, whereupon the ballast is jettisoned and the ship's deck and cargo raised above the ...

  4. Angle of list - Wikipedia

    en.wikipedia.org/wiki/Angle_of_list

    A heavily listing ship. 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. [2]

  5. Liftboat - Wikipedia

    en.wikipedia.org/wiki/Liftboat

    The liftboat Kaitlyn Eymard was built in the US by Conrad Industries in 2002. A liftboat is a self-propelled, self-elevating vessel used in support of various offshore mineral exploration and production or offshore construction activities. A liftboat has a relatively large open deck to accommodate equipment and supplies, and the capability of ...

  6. Rigging - Wikipedia

    en.wikipedia.org/wiki/Rigging

    Rigging comprises the system of ropes, cables and chains, which support and control a sailing ship or sail boat 's masts and sails. Standing rigging is the fixed rigging that supports masts including shrouds and stays. Running rigging is rigging which adjusts the position of the vessel's sails and spars including halyards, braces, sheets and vangs.

  7. Crane vessel - Wikipedia

    en.wikipedia.org/wiki/Crane_vessel

    Crane vessel. Lodbrok is a floating crane, here in the harbor of Ystad 2020. A crane vessel, crane ship, crane barge, or floating crane is a ship with a crane specialized in lifting heavy loads, typically exceeding 1,500 t (1,476 long tons; 1,653 short tons) for modern ships. The largest crane vessels are used for offshore construction.

  8. Chesapeake 1000 - Wikipedia

    en.wikipedia.org/wiki/Chesapeake_1000

    Length. 191 ft 2 in (58.3 m) Beam. 101 ft 2 in (30.8 m) Draft. 20 ft 1 in (6.1 m) Chesapeake 1000 (formerly Sun 800) is a heavy lift sheerleg crane ship, owned by Donjon Marine Co., capable of lifting 1,000 short tons (890 long tons; 910 t). [1][2] It is one of the largest boomable stiff-leg-derrick barges on the eastern seaboard of the United ...

  9. Centreboard - Wikipedia

    en.wikipedia.org/wiki/Centreboard

    A centreboard (often called a lifting foil in a modern racing dinghy) is used to provide lift to counter the lateral force from the sails. This is required for sailboats to move in directions other than downwind, since the force of the sail is never closer than 45 degrees to the apparent wind. Since most sailboats are symmetric along their axis ...

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