5 Metre
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5 Metre is a development sailing class of French origin.
History
The 5 Metre rule was created in France in 1929 and not a according of the International rule in contrast to other Metre yachts.
The formula
The measurement formula is given in the :
5.000 metres = L + S 2 − F − B 2 2 {\displaystyle 5.000{\mbox{ metres}}={\frac {L+{\sqrt[{2}]{S}}-F-{\frac {B}{2}}}{2}}}
where
- L {\displaystyle L} = length for rating (as defined by rule 3.4)
- S {\displaystyle S} = measured sail area
- F {\displaystyle F} = freeboard in metres (as defined by rule 3.5)
- B {\displaystyle B} = width in metres (as defined by rule 3.6)