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A Formula 16 beachable catamaran Powered catamaran passenger ferry at Salem, Massachusetts, United States. A catamaran (/ ˌ k æ t ə m ə ˈ r æ n /) (informally, a "cat") is a watercraft with two parallel hulls of equal size. The wide distance between a catamaran's hulls imparts stability through resistance to rolling and overturning; no ...
The English word "catamaran" is derived from the Tamil word, kattumaram (கட்டுமரம்), which means "logs bound together". However, the original kattumaram did not refer to double-hulled boats at all, but to a type of single-hulled raft of the Tamil people made of three to seven tree trunks lashed together.
The following is a partial list of sailboat types and sailing classes, including keelboats, dinghies, and multihull (catamarans and trimarans). Olympic classes
A catamaran is a vessel with twin hulls. Commercial catamarans began in 17th century England. Separate attempts at steam-powered catamarans were carried out by the middle of the 20th century. However, success required better materials and more developed hydrodynamic technologies. During the second half of the 20th century catamaran designs ...
Catamarans and single-outrigger canoes are the traditional configurations in Polynesia, Micronesia, and Madagascar. In the Pacific Islands, a single outrigger float is called an ama. It is connected to the main hull by spars called ʻiako , ʻiato , or kiato . The ama, which is usually rigged on the left side, provides stability.
Pages in category "Catamarans" The following 121 pages are in this category, out of 121 total. This list may not reflect recent changes. * Catamaran; A. AC50; AC72;
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.
The term ama is a word in the Polynesian and Micronesian languages to describe the outrigger part of a canoe to provide stability. Today, among the various Polynesian countries, the word ama is often used together with the word vaka (Cook Islands) or waka or va'a (Samoa Islands, Tahiti), cognate words in various Polynesian languages to describe a canoe.