Marine propulsion unit

Details Marine propulsion unit Marine propulsion unit

1990-10-25

1992-02-18

Sotelo, Jesus D.

Marine propulsion

Screw propeller

With means effecting or facilitating movement of propulsion...

440900, 248640, B63H 512

Patent

active

050889460

ABSTRACT:
A marine propulsion unit, for mounting on the transom of a boat, has a horizontally oriented input shaft and has a lower drive unit which is angularly tiltable in the vertical plane without movement of the engine. The configuration enables the location of the driveshaft housing and lower unit at a point further aft of the transom to keep the marine propulsion unit's center of gravity in a more aftward position, enabling an extended length exhaust system, better control and handling of the exhaust, increased torque, and an increasing overall engine efficiency. The low profile of the marine propulsion unit coupled with its far forward pivot point requires a smaller motor well space and increased visibility in the direction aft of the boat.

REFERENCES:
patent: 2755766 (1956-07-01), Wanzer
patent: 3929089 (1975-12-01), Lambrecht et al.
patent: 4178873 (1979-12-01), Bankstahl

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