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2. Hull speed - Wikipedia

   en.wikipedia.org/wiki/Hull_speed

   Hull speed can be calculated by the following formula: where is the length of the waterline in feet, and is the hull speed of the vessel in knots. If the length of waterline is given in metres and desired hull speed in knots, the coefficient is 2.43 kn·m −½.

3. Displacement - Wikipedia

   en.wikipedia.org/wiki/Displacement

   Displacement hull, where the moving hull's weight is supported by buoyancy alone and it must displace water from its path rather than planing on the water's surface; Displacement speed, a rule of thumb for non planing watercraft to estimate their theoretical maximum speed; Displacement (ship), the weight of a ship

4. Waterline - Wikipedia

   en.wikipedia.org/wiki/Waterline

   The waterline is the line where the hull of a ship meets the surface of the water. A waterline can also refer to any line on a ship's hull that is parallel to the water's surface when the ship is afloat in a level trimmed position. Hence, waterlines are a class of "ships lines" used to denote the shape of a hull in naval architecture lines ...

5. Displacement (ship) - Wikipedia

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

   Standard displacement, also known as "Washington displacement", is a specific term defined by the Washington Naval Treaty of 1922. [11] "It is the displacement of the ship complete, fully manned, engined, and equipped ready for sea, including all armament and ammunition, equipment, outfit, provisions and fresh water for crew, miscellaneous ...

6. Ship resistance and propulsion - Wikipedia

   en.wikipedia.org/wiki/Ship_resistance_and_propulsion

   For a displacement vessel, that is the usual type of ship, three main types of resistance are considered: that due to wave-making, that due to the pressure of the moving water on the form, often not calculated or measured separately, and that due to friction of moving water on the wetted surface of the hull. These can be split up into more ...

7. Hull (watercraft) - Wikipedia

   en.wikipedia.org/wiki/Hull_(watercraft)

   The volume of a ship's hull below the waterline (solid), divided by the volume of a rectangular solid (lines) of the same length, height and width, determine a ship's block coefficient. Coefficients [5] help compare hull forms as well: Block coefficient (C b) is the volume (V) divided by the L WL × B WL × T WL. If you draw a box around the ...

8. Planing (boat) - Wikipedia

   en.wikipedia.org/wiki/Planing_(boat)

   Royal Navy World War II motor torpedo boat planing at speed on calm water showing its hard chine hull - note how most of the forepart of the boat is out of the water. At rest, a vessel's weight is borne entirely by the buoyant force. Every hull acts as a displacement hull at low speeds: the buoyant force is mainly responsible for supporting the ...

9. Monohull - Wikipedia

   en.wikipedia.org/wiki/Monohull

   Displacement hulls - Monohull boats frequently ride deeply in the water, this is known as a displacement hull. Planing hulls - Hulls that ride on top of the water are called planing hulls, because when they reach speed, the hulls are substantially lifted above the water; this is known as planing (to plane).