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Displaying items by tag: 5O5 Class

25th September 2009

Irish 5O5 Association

Irish 5O5 Association, c/o Ewen Barry, President, Monkstown Bay Sailing Club, Monkstown, Co Cork. Tel: 086 823 6864, fax: 021 427 3849, email: [email protected]


5O5 History – A One Design Class

The development of the Class began at the IYRU trials in l953, held at La Baule to find the 'best possible two-man centreboarder', an 18 footer Coronet showed clearly superior to all her competitors.

f21_5o5.jpgThat winter the Caneton Association, the most important small boat racing body in France, asked the designer of Coronet, John Westell (UK), if he could modify her to suit their rules. Reducing the overall length, lightening the hull and modifying it a little, together with cutting the sail area to 17,24 sq mtrs, produced a new design which retained the good features of the larger craft. By a remarkable far-sighted decision members of the Caneton Association, at their AGM in Paris in January 1954, voted unanimously to adopt the new class, even before the first boat had been built. The Five-0-Five was born!

With strong organisation already existing in France, the 505 started life on an International basis. The Class expanded rapidly and in November 1955 the IYRU accorded it official International status. Fleets developed in many parts of the world, most of these are still very active today, 18 Countries have active fleets.

Although any material and type of construction may be used, current boats are now using carbon fibre and epoxy resins. The hull shape is strictly controlled with minimum weights both for the bare hull and the complete boat in sailing trim.

By January 2007, 8,930 boats had been registered.

The above information and image courtesy of the International 505 Class Association website

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