Marine drive system with inboard mounted engine and depending dr

Details Marine drive system with inboard mounted engine and depending dr Marine drive system with inboard mounted engine and depending dr

1988-09-28

1990-07-10

Peters, Jr., Joseph F.

Marine propulsion

Inboard engine mount

Having thru-hull sealing means

440 69, B63H 2336

Patent

active

049404369

ABSTRACT:
A marine drive system includes one or more engines mounted inboard of a boat adjacent the boat transom. The one or more engines are disposed such that their longitudinal axes are substantially perpendicular to the boat centerline and parallel to the boat transom. A drive unit extends substantially vertically relative to each engine during operation. The drive unit preferably includes a drive housing which is mounted to the boat so as to be pivotable between an operating position, in which the propeller is submerged, and an inoperative position in which the propeller is out of the water and the drive unit is disposed at an angle to the vertical relative to the engine. The construction provided by the engine is advantageously employed in a boat hull design in which a pocket is formed in the boat hull, and a portion of the propeller path is disposed within the pocket. With the transverse placement of the engines, the pockets in the boat hull can extend from the front to the rear of the boat hull, and do not require modification to accommodate placement of the engine.

REFERENCES:
patent: 2946306 (1960-07-01), Leipert
patent: 3396692 (1968-08-01), Bergstedt
patent: 3404656 (1968-10-01), Chamberlain
patent: 3489120 (1970-01-01), Strang
patent: 3626894 (1971-12-01), Stuart
patent: 3937173 (1976-02-01), Stuart
patent: 4015556 (1977-04-01), Bordiga

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