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thumb RS:X is a windsurfing discipline selected by the ISAF〔http://www.sailing.org/olympics/history-part-5.php Olympic sailing report ISAF〕 to replace the Mistral One Design Class class for the 2008 Summer Olympics. The discipline has similarities to formula windsurfing - mainly in that the equipment used was designed to allow windsurfing in low and moderate wind conditions with good performance. RS:X equipment includes a board with a daggerboard, and a sail of a specified size. The board measures 286 cm in length and 93 cm in width. Unlike formula boards, it is quite heavy - 15.5 kg, which is almost twice that of regular competition formula boards, but is very similar to the weight of Raceboards such as the previous Olympic board, Mistral One Design Class. Although the Mistral board has a weight of 17 kg ready to sail, the RS:X board weighs more than 19 kg. The RS:X seems to be a compromise between traditional Raceboards which work well in 5-35 knots, and Formula boards which go fast in 12-30 knots, and has shown itself to be competitive with past Raceboards in the medium wind range. Nevertheless, the RS:X is very slow in subplaning conditions (compared with any other sailing craft). The shape and design of the RS:X sail is based on that of the Neil Pryde formula windsurfing sail RS4. ==Events== 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「RS:X」の詳細全文を読む スポンサード リンク
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