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Boats in this ISAF RSD International One Metre class are light, responsive and fun to sail. This is the most popular of the classes and is sailed at most RSAWA clubs.The class rule is ‘closed’ and many aspects of design, materials and construction are restricted in an attempt to promote close competition. However the rule is designed to allow the DIY enthusiast some freedom to construct an inexpensive and competitive boat. The important speed related criteria of length, draught, displacement and sail plan are limited.


This popular class is usually the starting point for most club skippers. The rigs are easily de-mountable and the fin and ballast must be removable, thus making this an extremely easy yacht to transport.

Overall Length 1 m maximum
Mast Height 1.7 m
Weight 4 Kgs minimum
Rigs 3 Maximum

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