Small watercraft with fin and sail

Details Small watercraft with fin and sail Small watercraft with fin and sail

1999-01-05

2000-06-27

Morano, S. Joseph

Ships

Watercraft with means used in providing sailpower

440 14, B63B 3579, B63H 136

Patent

active

060793449

ABSTRACT:
A small watercraft, e.g. a small catamaran, propelled by a vertical fin-like device and/or a sail is invented. A vertical shaft is located in the front portion of the craft. Foot operated multiple arms are secured to the upper portion of the shaft. The fin is secured to a hinge which is located at the trailing end of an elongated member. The leading end of the elongated member is removably secured to a joint device at the lower end of the shaft. The arms, shaft, elongated member, and fin can rotate 360 degrees about the shaft axis. Depending on the general direction the elongated member is pointing to, the fin can propel and turn the watercraft. Because the shaft can rotate 360 degrees, the craft can also go backwards and turn at the radius less of its length. An opening between the fin and the operator is provided to allow the fin to be secured and removed during operation. The joint device also allows the fin together with the elongated member to pass up through the opening when the fin hit an object in the water. A stud is secured to the upper end of the shaft. The stud allows a sail mast to telescope on and the turning of the stud does not affect the mast or vice versa. A rudder is located at the rear end of the watercraft. Unless sailing at high wind, there is no need to control the rudder. A mechanism allows the rudder to turn upward when the rudder hits an object in the water.

REFERENCES:
patent: 190283 (1877-05-01), Cole
patent: 2062546 (1936-12-01), Wells
patent: 4345903 (1982-08-01), Laser
patent: 4642056 (1987-02-01), Keivanjah
patent: 4646669 (1987-03-01), Frank
patent: 4960396 (1990-10-01), Stolzer
patent: 5163857 (1992-11-01), Hinsley
patent: 5584732 (1996-12-01), Owen

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