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Hull speed or displacement speed is the speed at which the wavelength of a vessel's bow wave is equal to the waterline length of the vessel. As boat speed increases from rest, the wavelength of the bow wave increases, and usually its crest-to-trough dimension (height) increases as well. When hull speed is exceeded, a vessel in displacement mode ...
Although in reality both are laid up due to their high operating costs and less than green credentials in terms of fuel burned in transporting one unit of cargo per nautical miles traveled. Originally built in 1972 and 1973 as high-speed container ships known as SL-7s for SeaLand , the ships' high operating costs limited their profitability.
Full is greater than standard but not as great as flank. In surface ship nuclear marine propulsion, the difference between full speed and flank speed is of lesser significance, because vessels can be run at or very near their true maximum speed for a long time with little regard for fuel expended, an important consideration for oil-fueled ships ...
A sailing vessel characterized by a single mast carried well forward (i.e., near the bow of the boat) Clipper A fast multiple-masted sailing ship, generally used by merchants because of their speed capabilities Coastal defense ship A vessel built for coastal defense Cog Plank built, one mast, square rigged, 12th to 14th century, superseded the ...
Container ship: Subclasses (1) Geared or gearless (as per cargo-handling type) (2) Freighter or pure container (as per passenger carrier-type) (3) Feeder or world-wide foreign-going vessel (as per trade) (4) Panamax or post-Panamax vessel (as per breadth of vessel < or > than 32.2m respectively) Built: 1956–present: In service: 9,535 ships as ...
The fast combat support ship (US Navy hull classification symbol: AOE) is a type of replenishment auxiliary ship. Different from traditional logistic ships, the fast combat support ship is designed with high speed to keep up with the carrier battle group / carrier strike group , while the multi-product station is capable of supplying all types ...
Nautical operations refers to the crew operation of a ship.It is the term used in academic education to refer to the studies of this professional field. [1] [2] [a] Nautical operations refers to all the operational procedures, specific roles of officers and crew members, and regular functions and technical processes, which together shape the structure and functions for the general operations ...
The Akula (Russian: shark)-class vessel is reportedly capable of travelling submerged at 35 knots (65 km/h; 40 mph). Its predecessor, the Alfa class , could attain short speed bursts of 40–45 knots (74–83 km/h; 46–52 mph) while submerged.