6.5 Metre (keelboat)
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| Current Specifications | |
|---|---|
| File:6.5m SI classique.svg | |
| Crew | 3 |
| LOA | 6.5 m (21 ft) |
| LWL | minimum 5.2 m (17 ft) |
| Draft | 1 m (3 ft 3 in) |
| Hull weight | minimum 600 kg (1,300 lb) |
| Main & Jib area | maximum 30 m2 (320 sq ft) |
| Infobox last updated: 19-APR-2010 | |
| Former Olympic Class | |
The International Six point Five Metre Class is a construction class, meaning that the boats are not identical but are all designed to meet specific measurement formula, in this case the french rule called Jauge chemin de fer.
History
The 6.5m was used as an Olympic Class during the 1920 Olympics.
The first formula of the 6.5m, was worked out by Louis Dyèvre, member of the Société des régates de Vannes, naval architect 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.
<math>\frac {Lf \cdot \sqrt{S}} {\sqrt[3]{D}} \le 2,8</math>
Lf represents the 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
| Rank | Country | Helmsman | Crew |
| 1 | [[File:Template:Country flag IOC alias NED|22x20px|border|alt=|link=|Template:Country IOC alias NED]] [[Template:Country IOC alias NED at the 1920 Summer Olympics|Template:Country IOC alias NED]] (NED) | CARP, Johan Robert | WERNINK, Petrus Adrianus CARP, Bernard |
| 2 | [[File:Template:Country flag IOC alias FRA|22x20px|border|alt=|link=|Template:Country IOC alias FRA]] [[Template:Country IOC alias FRA at the 1920 Summer Olympics|Template:Country IOC alias FRA]] (FRA) | WEIL, Albert | PICON, Félix MONIER, Robert |
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