Strut steering and retracting apparatus

Details Strut steering and retracting apparatus Strut steering and retracting apparatus

1981-08-31

1985-02-19

Blix, Trygve M.

Ships

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

Having hydrofoil

114144R, B63B 128

Patent

active

044998430

ABSTRACT:
A hydrofoil craft strut (365) steerable when the craft (5) is foil-borne and retractable when the strut (365) is not in use. In a preferred embodiment, the strut (365) is provided with a spherical bearing (185) disposed at the intersection of a steering axis (S--S) and a retraction axis (R--R). The bearing (185) allows a steering assembly (200) to steer the strut (365) about the steering axis (S--S). A downlock assembly (390) constrains the strut (365) in a vertical portion during the strut steering mode and releases the strut (365) during the retraction mode. During the retraction mode, a retraction assembly (385) rotates the strut (365) about the retraction axis (R--R) from its vertical position to a position within a recess (40) within the craft (5) in which it is fixed by an uplock assembly (715).

REFERENCES:
patent: 2415183 (1947-02-01), Law
patent: 3175529 (1965-03-01), Bergstedt
patent: 3742890 (1973-07-01), Hubbard et al.
patent: 3933116 (1976-01-01), Adams et al.

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