| 摘要 |
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).
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