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Sailing/Yachting is an Olympic sport starting from the Games of the 1st Olympiad (1896 Olympics in Greece. With the exception of 1904 and possible 1916 sailing was always a part of the Olympic program. The Sailing program of 1956 consisted of a total of five sailing classes (disciplines). For each class seven races were scheduled from 26 November to 5 December 1956 at Port Phillip Bay. The sailing was done on the triangular type Olympic courses. The start was made in the center of a set of 8 numbered marks that were places in a circle. During the starting procedure the sequence of the marks was communicated to the sailors. By picking the mark that was most upwind the start could always be made upwind. This system is, at least in certain German lakes, still in use. == Venue == Port Phillip Bay a natural bay of about of water, free of reefs a mere from the Main Stadium of the Olympics. One can enter the bay from the Southern Ocean a narrow gap of about 3 km. Therefore, the course areas are almost free of tidal streams. However, there is a 0.5 m tidal rise. The winds are ideal for sailing. The predominant southerlies generates light airs in the morning. It freshens in the afternoon to up to , and then easing and backing south-east in the evening. Three circular courses were planned for the northern end of Port Phillip Bay, each using the 1936 system with 8 fixed buoy's with the start in the middle of the circle. At Sandringham for the Finn a course length of approximately was used. For the 12 square metres and Star the length was set to about . The Dragon and 5.5 Metre were using a course length of . 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「Sailing at the 1956 Summer Olympics」の詳細全文を読む スポンサード リンク
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