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  2. Ship ballast - Wikipedia

    en.wikipedia.org/wiki/Ship_ballast

    The advantage of water ballast is that the tanks can be emptied, reducing draft or the weight of the boat (e.g. for transport on ground) and water added back in (in small boats, simply by opening up the valves and letting the water flow in) after the boat is launched or cargo unloaded.

  3. Displacement (ship) - Wikipedia

    en.wikipedia.org/wiki/Displacement_(ship)

    To calculate the weight of the displaced water, it is necessary to know its density. Seawater (1,025 kg/m 3) is more dense than fresh water (1,000 kg/m 3); [5] so a ship will ride higher in salt water than in fresh. The density of water also varies with temperature.

  4. Ship measurements - Wikipedia

    en.wikipedia.org/wiki/Ship_measurements

    Loadline displacement – The weight or mass of the ship loaded to the load line or plimsoll mark. Deadweight tonnage (DWT) is a measure of how much weight a ship can carry. [1] [2] [3] It is the sum of the weights of cargo, fuel, fresh water, ballast water, provisions, passengers, and crew. [1]

  5. Ballast tank - Wikipedia

    en.wikipedia.org/wiki/Ballast_tank

    Cross section of a vessel with a single ballast tank at the bottom. A ballast tank is a compartment within a boat, ship or other floating structure that holds water, which is used as ballast to provide hydrostatic stability for a vessel, to reduce or control buoyancy, as in a submarine, to correct trim or list, to provide a more even load distribution along the hull to reduce structural ...

  6. Nautique Boats - Wikipedia

    en.wikipedia.org/wiki/Nautique_Boats

    The Super Air Nautique G-Series is a wide body boat designed to produce a larger surfing wake. The boat comes in 3 lengths all weighing above 5000 lbs. [17] In 2022 the G-Series boat's full ballast weight became heavier than the Paragon model with the addition of supplemental ballast and a telescoping flight tower.

  7. Wakeboard boat - Wikipedia

    en.wikipedia.org/wiki/Wakeboard_boat

    Most wakeboard boats will have several features that help to create large wakes. These include ballast, [1] hydrofoil, and hull technology. Ballast is a simple term for weight. When wakeboard boats have ballast tanks, it means that they have room for extra weight to weigh the boat down for larger wakes. For example.

  8. Capsize screening formula - Wikipedia

    en.wikipedia.org/wiki/Capsize_screening_formula

    The CSF does not consider the hull shape or ballast location. Any two sailboats will have the same CSF value if their displacement and beam are the same. As an example, one could have a light hull with 50% ballast in a bulb at the bottom of an eight foot fin keel , the other could have a heavy hull with 20% ballast in a 2-foot-deep (0.61 m ...

  9. Ship stability - Wikipedia

    en.wikipedia.org/wiki/Ship_stability

    Ship stability illustration explaining the stable and unstable dynamics of buoyancy (B), center of buoyancy (CB), center of gravity (CG), and weight (W) Ship stability is an area of naval architecture and ship design that deals with how a ship behaves at sea, both in still water and in waves, whether intact or damaged.