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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.
A hull is the watertight body of a ship, boat, ... This produced maximum lift and a smooth, fast ride in flat water, but this hull form is easily unsettled in waves ...
A hydroplane (or hydro, or thunderboat) is a fast motorboat, where the hull shape is such that at speed, the weight of the boat is supported by planing forces, rather than simple buoyancy. A key aspect of hydroplanes is that they use the water they are on for lift rather than buoyancy, as well as for propulsion and steering : when travelling at ...
A jetsprint hull is typically short - just 3.8 to 4.0 metres (12½ to 13 feet) long. The hull's vee is usually 23 to 25 degrees with several strakes on each side. A short hull is preferred, as a longer hull takes more distance to turn and usually must be turned at a slower speed.
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 ...
Reindeer can reach a running speed of almost 50 miles per hour(80 km), though most recorded speeds are between 25 and 35 miles per hour (40-56 km), which is still quite impressive.
The USS Albacore, with its teardrop hull, is claimed to have reached an underwater speed of 33 knots (61 km/h; 38 mph). Submarines. ...
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