Asymmetric multihull sailboat type (a main hull and a parallel float joined by cross-beams), of Indonesian and Polynesian origin. Rarely used in offshore racing and with no class rule of its own; Guy Delage's prao Rosière capsized at the start of the 1982 Route du Rhum.
Facts
Class rule
The rule isn't explained yet. Know what it imposes and what it leaves free? Suggest a text with its sources.
