Trim adjusting system for jet propulsion boat

Details Trim adjusting system for jet propulsion boat Trim adjusting system for jet propulsion boat

1994-10-13

1996-07-30

Basinger, Sherman

Ships

Hull or hull adjunct employing fluid dynamic forces to...

Stepped hull

440 38, 440 42, B63H 11113

Patent

active

055401740

ABSTRACT:
A small jet propelled watercraft having a hull undersurface provided with a plurality of stripes and a step at the rear end thereof to reduce porpoising without increasing drag. The watercraft is propelled by a jet propulsion unit having a discharge nozzle which is capable of trim adjustment and which is controlled by a twist grip control mounted on its steering handlebar.

REFERENCES:
patent: 3623447 (1971-11-01), Jacobson
patent: 3788265 (1974-01-01), Moore
patent: 3911846 (1975-10-01), England
patent: 4619215 (1986-10-01), Wood et al.
patent: 4903626 (1990-02-01), Haines
patent: 4932347 (1990-06-01), Mardikian
patent: 5131346 (1992-07-01), Ohta et al.

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