Propeller drive for boats

Details Propeller drive for boats Propeller drive for boats

1985-09-20

1987-10-06

Peters, Jr., Joseph F.

Marine propulsion

Screw propeller

With means effecting or facilitating movement of propulsion...

440 79, B63H 512

Patent

active

046980369

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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