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Wilson K-Factor. Wilson K-Factor refers to the generation of Wilson Sporting Goods tennis racquets that incorporate the "K-Factor" technology. These racquets were first revealed in 2007 and are still popular among players. Roger Federer as well as several other highly ranked players endorsed these racquets up until 2010 making them extremely ...
The Pro Staff 6.0 version was manufactured in four head sizes: 85, 95, 110, and 125 square inches. The 85 is unforgiving for the currently popular semi-western topspin style with its 12.6 ounce (357 g) weight and low power. The 95 is more forgiving of off-center shots with an overall weight of 12.2 ounces (350 g) and a lower swingweight (317 as ...
Wilson is a major manufacturer of tennis rackets. The original kevlar Pro Staff model racket, known for its use by Pete Sampras, was heavy (more than 350g strung) and small-headed (85 sq. in.); Roger Federer also used the same racket model. In 2015, he used the Pro Staff RF97 Autograph model that is heavy (340 g/12 oz unstrung) and larger (97 ...
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Racquetball racket and ball. A racket or racquet[ 1] is an item of sporting equipment used to strike a ball or shuttlecock back-and-forth in games such as tennis, badminton, squash, racquetball and padel. The typical basic structure of a racket consists of a widened distal end known as the head (which presents a flattened firm surface designed ...
Wilson Staff is Wilson's premium golf brand aimed at tour professionals and serious players. Wilson designs and manufactures a full range of golf equipment, accessories, and apparel using the Wilson Staff, Wilson, ProStaff, Profile, Ultra and Hope brands. Wilson's other lines are generally considered to be " big box ," "value," or "economy ...
Wilson Sporting Goods, Wilson and Company. Thomas E. Wilson (July 11, 1868 – August 4, 1958) was a Canadian-born American businessman. In 1926, he created one of the most recognizable sports brand names in the world, known as Wilson Sporting Goods. He served as President and Chairman of the Board of Wilson & Co for 35 years.
The tennis racket theorem or intermediate axis theorem, is a kinetic phenomenon of classical mechanics which describes the movement of a rigid body with three distinct principal moments of inertia. It has also dubbed the Dzhanibekov effect , after Soviet cosmonaut Vladimir Dzhanibekov , who noticed one of the theorem's logical consequences ...