| 摘要 |
A sailboard (12) for sailing in water includes an elongated hull defining fore and aft and having a top and a bottom, and a panel (26) integrally connected to the bottom of the hull (12) near the aft end and extending beyond the aft end. The panel (26) is relatively rigid at its distal end. Moving arms (36, 38) are connected to both the hull (12) and the panel (26), and operable for moving the distal end of the panel (26) from a first position to a second position. The hull (12) and the panel (26) define a relatively continuous flat surface for the first position and define a relatively convex surface for the second position.
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