Marine tractor surface drive system

Marine propulsion – Screw propeller – Combined with rudder

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Details

440 75, B63H 2542

Patent

active

054394031

ABSTRACT:
A marine tractor surface drive propulsion system is provided with a housing construction that can be retrofit to existing boat hulls and does not require a dedicated hull, with a parallel countershaft transmission that provides the efficiencies of a tractor surface drive and where a portion of the transmission housing extends over and protectively shields the,surface drive propeller of the drive system.

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