Rudder with wings and method for manufacture thereof

Details Rudder with wings and method for manufacture thereof Rudder with wings and method for manufacture thereof

1985-07-01

1987-03-31

Basinger, Sherman D.

Ships

Steering mechanism

Rudders

B63H 2538

Patent

active

046534180

ABSTRACT:
An energy-saving rudder in which auxiliary wings are extended from a conventional rudder so that the rotating energy of the propeller slip stream which impinges on the auxiliary wings can be recovered and converted into the propulsion thrust. Also disclosed is a method for fabricating a rudder with wings. The peripheral portion (trailing edge, leading edge and tip portions) of each auxiliary wing and the root portion thereof are separately fabricated by casting and the upper and lower wing surface plates are welded to the frame which is prepared by assembling the peripheral and root portions of each auxiliary wing. The auxiliary wings therefore can be fabricated and positioned with a high degree of accuracy.

REFERENCES:
patent: 1639675 (1927-08-01), Snadecki
patent: 1795346 (1931-03-01), Rebl
patent: 2099229 (1937-11-01), Possenheim
patent: 3159132 (1964-12-01), Petrich
patent: 3230920 (1966-01-01), Piskorz-Naleck

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