| 摘要 |
<p>The surf sailing board has a mainly horizontal fin at the stern, and an additional fin (5, 6) at each side of the main portion (1). Other side tins (8, 9) can be mounted at the bow, and alternatively the additional fins can be mounted near where the occupant stands. The undersides of the additional fins can be offset upwards in relation to that of the plank, from which they can be detachable. Fins on opposite sides can be joined in pairs by cross-members, and they can be adjustable for angle in relation to the board.</p> |
