Propeller drive for boats

Details Propeller drive for boats Propeller drive for boats

1987-09-11

1989-06-20

Peters, Jr., Joseph F.

Marine propulsion

Screw propeller

Propulsion unit casing

440 81, B63H 2124

Patent

active

048401366

ABSTRACT:
A double-propeller drive unit for boats, in which the under-water housing of the drive unit is designed so that the pressure center for the transverse force on the drive housing caused by water flow is located in front of the steering axis of the drive unit.

REFERENCES:
patent: 2987031 (1961-06-01), Odden
patent: 3404656 (1968-10-01), Chamberlan
patent: 3765370 (1973-10-01), Shimanckas
patent: 3769930 (1973-11-01), Pinkerton
patent: 4052952 (1977-10-01), Hale et al.
patent: 4297097 (1981-10-01), Kiekhaefer

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