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The A-Class Catamaran, often abbreviated to A-Cat, is a development class sailing catamaran for singlehanded racing.〔http://www.eyeforlife.com/acat/?file=kop1.php〕 ==Background== The class was founded during the 1960s and was part of the 4-tier IYRU (now ISAF) approach to divide up the sports catamaran sailing scene into 4 separate groups. These A, B, C and D classes were governed by a very small set of class rules to which each design had to comply.〔http://www.a-cat.org.au/history.html〕 In the beginning it was just: * Maximum hull length * Maximum overall width * Maximum sailarea All boats designed and built to these specs would be grouped into one fleet and race each other for crossing the finish line first. The A-Class is the largest remaining of those 4 main classes. The B-Class quickly splintered into a score of sub classes like the Hobie 16's, Formula 18's and other classes that contain far more and far stricter class rules. The C-Class quickly developed into the really high tech and vanguard boats that were used in the Little America's Cup. These require immense investments of time and money to race. As a result, this class is extremely small but still maintains its status as the ultimate sailing catamaran designs. The D class never really got off the ground in earnest. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「International A-class catamaran」の詳細全文を読む スポンサード リンク
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