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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 ...
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 ...
Strings (tennis) In tennis, the strings are the part of a tennis racquet which make contact with the ball. The strings form a woven network inside the head (or "hoop") of the racquet. Strings have been made with a variety of materials and possess varying properties that have been measured, such as dynamic stiffness, tension retention, thickness ...
Howard Head. Howard Head (July 31, 1914 in Philadelphia, Pennsylvania – March 3, 1991) was an American aeronautical engineer who is credited with the invention of the first commercially successful aluminum laminate skis [1] and the oversized tennis racket. Head founded the ski (and later tennis racquet)-making firm, Head, in 1950.
A table tennis racket is used by table tennis players. It is usually made from laminated wood covered with rubber on one or two sides depending on the player's grip. Unlike a conventional "racket", it does not include strings strung across an open frame. Though the official ITTF term is "racket", [1] the US generally uses the term "paddle ...
See the ISO 3166-3 standard for former country codes. British Virgin Islands – See Virgin Islands (British) . Burma – See Myanmar . Cape Verde – See Cabo Verde . Caribbean Netherlands – See Bonaire, Sint Eustatius and Saba . China, The Republic of – See Taiwan (Province of China) . Democratic People's Republic of Korea – See Korea ...