| 摘要 |
A boat that can be rowed, sailed and motor driven, and has a pair of parallel elongated pontoons and a normally above-water boxlike structure which serves to connect the pontoons, to provide a cockpit for the crew, and to provide a third hull for supplemental flotation when needed. A pair of parallel structural panels form opposite sidewalls of the cockpit and each extends down through the middle of the adjacent pontoon to its keel. The cockpit deck structure connects the panels and covers the part of each pontoon between the panels. The part of each pontoon on the other side of the adjacent panel forms a ledge along the outer side of the boat which is helpful in climbing out of the water into the boat.
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