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Preliminary design of the vessel, its detailed design, construction, trials, operation and maintenance, launching and dry-docking are the main activities involved. Ship design calculations are also required for ships being modified (by means of conversion, rebuilding, modernization, or repair).
A small waterplane area twin hull, better known by the acronym SWATH, is a catamaran design that minimizes hull cross section area at the sea's surface. Minimizing the ship's volume near the surface area of the sea, where wave energy is located, minimizes a vessel's response to sea state, even in high seas and at high speeds.
In sailing and boating, a vessel's freeboard is the distance from the waterline to the upper deck level, measured at the lowest point of sheer where water can enter the boat or ship. In commercial vessels, the latter criterion measured relative to the ship's load line, regardless of deck arrangements, is the mandated and regulated meaning.
A pitch motion is an up-or-down movement of the bow and stern of the ship. The longitudinal/X axis, or roll axis, is an imaginary line running horizontally through the length of the ship, through its centre of mass, and parallel to the waterline. A roll motion is a side-to-side or port-starboard tilting motion of the superstructure around this ...
Freedom Ship; General information; Classification: Floating city: Height; Roof: 85 m (279 ft) Technical details; Size: 1.8 km (5,906 ft) long, 250 m (820 ft) wide: Floor count: 25: Design and construction; Architect(s) Freedom Cruise Line International: Other information; Number of rooms
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. Stability calculations focus on centers of gravity, centers of buoyancy, the metacenters of vessels, and on how these interact.
Middle Eastern designs. Largely due to the absence of a large, oceanic body of water situated by the Middle East, most shipbuilding designs reflected that of shallow water vessels or iterations meant to prepare the ship for deep-sea voyage. The dhow was a long-hulled boat that was utilized for trading extensively in the Islamic world.
Ship design. The standard fluyt design minimized or completely eliminated its armaments to maximize available cargo space, and used block and tackle extensively to facilitate ship operations.
c. 1558 painting of a large carrack attributed to Pieter Bruegel the Elder. A carrack ( Portuguese: nau; Spanish: nao; Catalan: carraca; Croatian: karaka) is a three- or four- masted ocean-going sailing ship that was developed in the 14th to 15th centuries in Europe, most notably in Portugal and Spain.
The whaleback was a design by Captain Alexander McDougall (1845–1923), a Scottish-born Great Lakes seaman and ship's master. [2] At the time a vessel's size was limited by the locks and rivers that had to be navigated and by the materials and science of hull construction, not by the power and ability of steam engines to push hulls through the ...