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The Ten Rater is usually refered to as the 'Grand Prix" of RC yachts. Modern Ten's are usually constructed of carbon fibre, with carbon fibre masts, and are very narrow.

These boats are not limited in length and have overhangs beyond their waterline endings making them light, sleek, seaworthy and fast. This ISAF RSD Ten Rater international rule is based on the 1887 'length and sail area rule' which allows short waterline length boats to have a big sail area and longer LWL boats have smaller sails. It is an 'open' rule with great freedom to develop design and construction, particularly in rigs and sail plans. Any boat can be a 10 rater and several Marbleheads have been successful in the class by conversion with just one larger rig giving 40% extra sail area.

Overall Length 1.6 metre
Mast Height 2.5 metre
Weight 6 Kilogram
# Rigs No Limit


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