CATAMARAN FOR PASTIME, MODEL CONSTRUCTION OR RACING IN ANY COMPETITION RATING, WITH INDUCED HYDRODYNAMIC STABILITY

Le catamaran décrit comprend une coque formée d'une planche (1) et d'une paire d'appendices à moitié immergés (2, 3; 8-9, 13-14; 24, 25) munis d'un prolongement longitudinal allongé et situés sur des côtés parallèles de la planche (1). Leurs surfaces inférieures présentent, à leurs extrémités avant (4, 5; 12, 12a; 21, 22; 32, 33), des parties inclinées mutuellement opposées, disposées contrairement à l'inclinaison du support de fond arrière. PCT No. PCT/IT92/00027 Sec. 371 Date Sep. 8, 1993 Sec. 102(e) Date Sep. 8, 1993 PCT Filed Mar. 10, 1992 PCT Pub. No. WO92/15479 PCT Pub. Date Sep. 17, 1992.A catamaran for pastime, model construction or racing with induced hydrodynamic stability, having a hull with a board (1) and a pair of longitudinally extended semi-immersible appendages (2, 3; 8, 9; 13, 14; 24, 25) arranged parallel to each other symmetrically to the center-line of the hull, the respective bottoms of which, at the bow tips (4, 5; 12, 12a; 21, 22; 32, 33) of said appendages, have mutually opposite slopes, each slope being contrary to the slope of the respective aft rest of the bottom with respect to the median symmetry plane of the hull.