Abstract: A sailboat symmetrical in the longitudinal direction, but asymmetrical in a cross-sectional plane perpendicular to the longitudinal axis. The sailboat includes a main hull, a mast, a yardarm pivotally attached to a head of the mast, and a sail attached to the yardarm. Also, there is a sponson, a keel section and an outrigger hull. A system for automatically joining the sail sections, as the sail is lowered from the yardarm and a system for automatically separating the sail sections, as the sail is raised onto the yardarm. A system for rotatably pivotally attaching the mast to the main hull. Rudders mounted in the keel and tillers having resilient control elements.