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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.
MV Freewinds is a former cruise ship operated by International Shipping Partners and owned by San Donato Properties, a company affiliated with the Church of Scientology. She was built in 1968 by Wärtsilä Turku Shipyard in Turku, Finland, for Wallenius Lines as MS Bohème for service with Commodore Cruise Line.
Clinker -built (also known as lapstrake) [1] [2] is a method of boat building in which the edges of hull planks overlap each other. Where necessary in larger craft, shorter planks can be joined end to end, creating a longer strake or hull plank. The technique originated in Scandinavia, and was successfully used by the Anglo-Saxons, Frisians ...
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.
The Friendship sloop, also known as a Muscongus Bay sloop or lobster sloop, is a gaff-rigged working boat design that originated in Friendship, Maine around 1880 and has survived as a traditional-style sailboat .
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
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.
Ancient boat building methods can be categorized as one of hide, log, sewn, lashed-plank, clinker (and reverse-clinker), shell-first, and frame-first. While the frame-first technique dominates the modern ship construction industry, the ancients relied primarily on the other techniques to build their watercraft.