Catamaran having a submerged airfoil

Details Catamaran having a submerged airfoil Catamaran having a submerged airfoil

B - Operations, Transporting

63

B

B63B 1/24 (2006.01) B63B 35/32 (2006.01)

Patent

CA 2065769

ABSTRACT OF THE DISCLOSURE A catamaran includes a pair of floats, a deck extending in the air between the pair of floats as fixedly attached thereto and a connecting member extending in the water between the pair of floats as fixedly attached thereto. The connecting member has an airfoil-shaped section so that a lift is provided to the bow of the catamaran while it is cruising. Preferably, the airfoil-shaped section is inclined to define an attack angle in a range between 15 degrees and 25 degrees and most preferably approximately at 20 degrees. When applied to a working catamaran having a rotating impeller for collecting floats, a tail section is provided as extending downstream from the trailing edge of the air-foiled section.

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