The International Marblehead is a class of radio controlled sailing yacht used for competitive racing. It is a measurement controlled class administered by the International Radio Sailing Association. As a designated International IRSA class it is entitled to hold World Championships officially recognised by the World Sailing.
History The class predates radio sailing with it initially used for racing on ponds using vane steering systems.
Current Key Dimensions maximum hull length of 1290mm maximum draught of 700mm, no displacement controls Up to six rigs are allowed in three groups the tallest rig being a maximum of 2200mm.
Events Marblehead World Championship
References
External links International Radio Sailing Association Website ISAF Marblehead Microsite Website