| 摘要 |
<p>KEEL STRUCTURES FOR SAILING: VESSELS A tandem keel structure (12) for a sailing vessel such as a yacht (10) comprises a main keel (14). A bridge (16) extends forwardly from the foot of the main keel (14) and a forward foil (18) is attached between the forward end of the bridge (16) and the hull of the yacht. The forward foil (18) is separated from the main keel or foil (14) by a slot (20).</p> |
