6.5 Metre
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The International Six point Five Metre Class is a ''
construction class Construction is a general term meaning the art and science to form objects, systems, or organizations,"Construction" def. 1.a. 1.b. and 1.c. ''Oxford English Dictionary'' Second Edition on CD-ROM (v. 4.0) Oxford University Press 2009 and come ...
'', meaning that the boats are not identical but are all designed to meet specific measurement formula, in this case the
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rule called ''Jauge chemin de fer''.


History

The 6.5m was used as an Olympic Class during the
1920 Olympics The 1920 Summer Olympics (french: Jeux olympiques d'été de 1920; nl, Olympische Zomerspelen van 1920; german: Olympische Sommerspiele 1920), officially known as the Games of the VII Olympiad (french: Jeux de la VIIe olympiade; nl, Spelen van ...
. The first formula of the 6.5m, was worked out by Louis Dyèvre, member of the Société des régates de Vannes,
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and member of the French delegation to the congress of London of 1906, is inspired by the formula of the New York Yacht Club in 1903: :\frac \le 2.8 Lf represents the waterline length (LWL), S the measured sail area, D displacement. The principal restrictions are: * Maximum length: 6.50 m * Minimum displacement: 600 kg * Draft: 1 m * Measured sail area : 30 m2 * Maximum cockpit area: 2 m2 * The LWL taken into account in the formula is at least of the 4/5 the length.


Olympic results


1920

{{Olympic class sailboats Keelboats Olympic sailing classes Development sailing classes