Southern Illinois (115 replies) Marion, IL - Info Please (30 replies) Latest news from Herrin, IL collected exclusively by city-data.com from local newspapers, TV, and radio stations. Ancestries: German (24.3%), English (12.2%), Irish (11.1%), United States (10.6%), Italian (6.9%), Dutch (2.6%).
Winged keel of Australia II. The Winged Keel is a sailboat keel originally designed by Ben Lexcen and made its first appearance on the 12-metre class yacht Australia II in the 1983 America's Cup.Along with Australia II's efficient sail design, this keel was one of the factors contributing to Australia II's success.inged keels are generally found on high performance sailboats, if they are not prohibited by class rules. They are only of benefit for yachts sailing upwind where stability and the ability to produce side force are important and if the draft is limited by the class rule.
The bulb at the bottom plops out easily. Wing Keel. Wing. The wing is another shoal alternative to the deep fin. Instead of one bulb at the keel bottom, the wing has two bulbs laterally offset and connected via lead airplane wings.Or the wing is a thick foil of lead without bulbs.The wing has better performance than the bulb because she reduces tip vortex turbulence.he bulb at the bottom plops out easily. Wing Keel. Wing. The wing is another shoal alternative to the deep fin. Instead of one bulb at the keel bottom, the wing has two bulbs laterally offset and connected via lead airplane wings.