Marine propulsion unit

Details Marine propulsion unit Marine propulsion unit

1983-08-01

1985-04-16

Blix, Trygve M.

Ships

Hull or hull adjunct employing fluid dynamic forces to...

Having hydrofoil

440 11, 180 536, B63B 3500

Patent

active

045108811

ABSTRACT:
An amphibious vehicle has an engine and a drive train connected to drive wheels with tires having a tread configuration that produces a water propulsion effect when the vehicle is driven through water. An auxiliary propulsion unit is selectively positioned in driving relationship to each of the wheels to improve water speed of the vehicle. The propulsion unit includes a gear box with its input connected to the wheel hub; its output connected to a propeller and an anti-torque strut is pivotally connected to the gear box and anchored to the vehicle hull whereby the propeller speed is increased by the gear box a desired amount as compared to axle speed to rotate the propeller at a speed to propel the amphibious vehicle.

REFERENCES:
patent: 2278215 (1942-03-01), Poche
patent: 2336906 (1943-12-01), West
patent: 3418960 (1968-12-01), Nelson

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