| 摘要 |
A number of embodiments of watercraft of the type having a main hull which is generally devoid of any independent power unit and which defines a berthing area that is adapted to receive a smaller jet propelled watercraft for propelling the main hull. The berthing area of the main hull is defined by an opening that registers with the opening of the jet propulsion unit of the smaller watercraft in such a way so as to avoid turbulence. The lower wall and the smaller watercraft hull have complimentary configurations so as to assure good support but in one embodiment a plurality of smaller openings are provided so as to permit water to enter any voids and avoid cavitation of the smaller watercraft's jet propulsion unit in operation. A combined ladder and hold down assembly is also disclosed for holding the smaller watercraft in the berthing area and for facilitating boarding of the main hull.
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