| 摘要 |
<p>of the Diclosure A sailboat keel, especially for shoal draft sailboats, which reduces turbulence and generated vortices and increases laminar flow along the hull and keel, which comprises an upper portion attachable to the canoe hull and a body portion extending downwardly from the upper portion, the body portion flaring outwardly so as to have a maximum width at its plane of intersection with the keel bottom which is preferably smoothly curved.</p> |
