Multi jet propelled watercraft

Details Multi jet propelled watercraft Multi jet propelled watercraft

1991-06-27

1992-09-08

Peters, Jr., Joseph F.

Marine propulsion

Jet drive

440 40, 440 42, 440 39, 114151, 114144R, 114150, B63H 1100, B63H 11107, B63H 2546, B63H 2500

Patent

active

051454262

ABSTRACT:
A V bottom hull watercraft powered by a pair of jet propulsion units that are supported for pivotal movement about horizontally disposed pivot axes and rotary movement about a longitudinal pivot axis to rotate the water inlet openings and elevate them from a downwardly facing normal operating position and an upwardly facing service position. The water inlet openings are disposed so that they extend parallel to the sides of the V bottom. Steering nozzles are supported for pivotal movement at the discharge ends of the jet propulsion units and pivot about vertically extending axes that are not perpendicular to the water inlet openings so that no vertical thrust will be exerted on the watercraft hull when the steering nozzles are pivoted to effect steering.

REFERENCES:
patent: 4265192 (1981-05-01), Dunn
patent: 4392443 (1983-07-01), De Marco
patent: 4767364 (1988-08-01), Lenz
patent: 4779553 (1988-10-01), Wildhaber, Sr.
patent: 4953492 (1990-09-01), Duffy

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