| 摘要 |
A boat comprising two or more hulls and a deck structure interconnecting said hulls at a point approximately midway between the top and the bottom of each hull so as to permit such boat to float and operate effectively when inverted and when upright. The sail for propelling the boat may be removably attached to the deck structure so that it may be easily relocated to permit operation of the boat in the upright and in the inverted position.
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