Engineering:10 Rater

The International 10 Rater (10R) is a class of radio controlled sailing yacht used for competitive racing. It is a measurement controlled classes administered by the International Radio Sailing Association. The class is a designated IRSA International class entitled to hold World Championships officially recognised by the World Sailing. A 10 rater is the longest and tallest of all the international classes and has rules that allow the most scope for development.

Events

World Championships

Template:10 Rater World Championship medallists

Unofficial World Championships

Unclear of the status of these events as the International Radio Sailing Association only joined ISAF in the mid 1990s.

Event	Gold	Silver	Bronze
1975, Gosport	Lennart AKESSON (SWE)
1978, Durban	Squire KAY (GBR)
1980, Ottawa	Squire KAY (GBR)
1982, Dunkerque	Pierre JAHAN (FRA)
1987, Gothenburg	Janusz WALICKI (GER)
1991, Viry-Châtillon	Paul LUCAS (FRA)
1993, Lake Bonney SE	Janusz WALICKI (GER)