Power boat trim augmentation device

Details Power boat trim augmentation device Power boat trim augmentation device

1996-07-22

1997-07-08

Swinehart, Edwin L.

Ships

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

Having hydrofoil

114280, 114282, B63B 124

Patent

active

056450095

ABSTRACT:
Disclosed is a construction applicable to stern drive and outboard types of power boat propulsion units for enhancing the performance normally provided by the customary trim/tilt capabilities designed into the units. At a critical juncture in the trim/tilt operation, the present device automatically "kicks in" and by intercepting only a predetermined portion of the propeller backwash provides an almost immediate stern up/bow down result without noticeable speed retardation. The device lends itself either to kit form or to factory installation.

REFERENCES:
patent: 3581696 (1971-06-01), Ilon
patent: 3965838 (1976-06-01), Uht
patent: 5305701 (1994-04-01), Wilson
patent: 5493990 (1996-02-01), Dyer
Bass Pro Shops' 1996 Marine Catalog, p. 36 for hydrofoil and trolling attachments.

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