Engine powered water craft

Details Engine powered water craft Engine powered water craft

1976-07-14

1978-07-11

Blix, Trygve M.

Ships

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

Having hydrofoil

114 61, 114163, 114291, B63B 126

Patent

active

040994775

ABSTRACT:
An engine powered water craft comprising a hull including a pair of spaced apart hull elements extending rearwardly therefrom configured to support the craft on the water in combination with a twin rudder system for directional control. The hull further comprises an upper and lower foil extending between the hull elements. The twin rudder system comprises a pair of rudders each including a substantially vertical rudder element having a super cavitating foil element attached to the outer side thereof. The super cavitating foil element comprises a knife-like member extending upwardly at an angle from the vertical rudder element. To counteract engine torque, the rudders are vertically offset relative to each other.

REFERENCES:
patent: 2099492 (1937-11-01), Luders
patent: 2914014 (1959-11-01), Carl et al.
patent: 3078819 (1963-02-01), Kiss
patent: 3149600 (1964-09-01), Traksel
patent: 3498247 (1970-03-01), Handler
patent: 3584590 (1971-06-01), Rings
patent: 3648640 (1972-03-01), Granger
patent: 3768429 (1973-10-01), Greer
patent: 3789789 (1974-02-01), Cleary
patent: 3952678 (1976-04-01), Weston

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