5 Metre is a development sailing class of French origin.[1]
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.[2]
The formula
The measurement formula is given in the 2021 International Five Metre Rating Rules:
where
- = length for rating (as defined by rule 3.4)
- = measured sail area
- = freeboard in metres (as defined by rule 3.5)
- = width in metres (as defined by rule 3.6)
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