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Australia II was designed by Ben Lexcen, built by Steve Ward, owned by Alan Bond and skippered by John Bertrand. [2] Lexcen's Australia II design featured a reduced waterline length and a short chord winged keel which gave the boat a significant advantage in manoeuvrability and heeling moment (lower ballast centre of gravity) but it was a significant disadvantage in choppy seas.
Benjamin Lexcen AM (born Robert Clyde Miller, 19 March 1936 – 1 May 1988) was an Australian yachtsman and marine architect.He is famous for the winged keel design applied to Australia II which, in 1983, became the first non-American yacht to win the prestigious America's Cup in 132 years.
Under the 12 metre class rule, the allowed sail area is an inverse function of the boat length and weight. Her stability advantage allowed Australia II to carry more sail although the boat was lighter. Along with Australia II ' s efficient sail design, this winged keel was one of the factors contributing to Australia II ' s success. Total ...
Australia II, Alan Bond's famous winged keel boat that won the 1983 America's Cup. The boat that ended the longest winning streak in sport. Designed by Ben Lexcen, Australia II was one of the first racing yachts to use appendages on the keel, which allowed the yacht to point higher, sail faster and be quicker in stays. The keel design also ...
A keelboat is a riverine cargo-capable working boat, or a small- to mid-sized recreational sailing yacht. The boats in the first category have shallow structural keels, and are nearly flat-bottomed and often used leeboards if forced in open water, while modern recreational keelboats have prominent fixed fin keels, and considerable draft. The ...
The hull is a hard chine design with a slight curve to the bottom section, and a bulb keel. The Star was originally rigged with a large, low-aspect-ratio gunter mainsail and jib, which was replaced by a short bermuda rig gradually during the early 1920s, before the current tall bermuda sail plan was adopted in 1930.
The Soling is a strong boat designed for any wind and sea condition by Jan Herman Linge from Norway in 1964. [6] The boats are one-design originating from an authorized single plug and mould system and made of fiberglass. This together with a strict set of class rules makes competition possible on a "level playing field". [1]
Flying Fifteen. The Flying Fifteen is a racing keelboat, originally built from wood and more recently of fibreglass.It has a fractional sloop rig, a spooned and highly raked stem, a plumb, raised counter transom, an internally mounted spade-type rudder controlled by a tiller with an extension and a swept fixed fin keel.