Boat propulsion with surface-running propeller drive

Details Boat propulsion with surface-running propeller drive Boat propulsion with surface-running propeller drive

1975-11-25

1977-11-08

Blix, Trygve M.

Ships

Building

Canal and ferry boats

114271, 115 37, B63H 516

Patent

active

040570274

ABSTRACT:
A vee bottom boat having one or two inboard engines with the drive shafts thereof extending through the hull to position a propeller in a position such that when the boat is planing at cruising speed the propeller will be surface-running or operating in half-submerged condition. A rudder is located directly in rear of the propeller. A partly cylindrical splash guard is provided over the propeller and prevents "rooster-tailing." In addition, a water supply duct having a radius approximating that of the propeller is provided extending forwardly a short distance from the propeller. A transmission connecting the engine to a propeller shaft includes a chain which permits advantageous location of the propeller shaft relative to the engine and its output shaft.

REFERENCES:
patent: 835530 (1906-11-01), Huff
patent: 1681342 (1928-08-01), Hickman
patent: 2896565 (1959-07-01), Stevens
patent: 3147730 (1964-09-01), Specht
patent: 3315284 (1967-04-01), Ludlow
patent: 3515087 (1970-06-01), Stuart
patent: 3626894 (1971-12-01), Stuart
patent: 3793980 (1974-02-01), Sherman

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