Author: <span>EC Publicity Officer until 2022</span>

IRSA Marblehead Class

The IRSA Marblehead (M) class is probably the most exciting to sail with its moderate size and light weight combined with high manoevrability and stability. Essentially a box rule with minimal constraints. A modern M will usually be made almost entirely of carbon fibre – hull, foils, spars and fittings.  The class was the first to adopt hi …


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International Radio Sailing Association

IRSA is the worldwide radio sailing organization as an affiliated member of World Sailing. IRSA is dedicated to the enhancement of both current and emerging world radio sailing classes through the promotion and development of consistent class rules, measurement methods, radio yachting racing rules, and advice in running major racing events.