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2. Bentley Fortissimo - Wikipedia

   en.wikipedia.org/wiki/Bentley_Fortissimo

   The Bentley Fortissimo tennis racquet. The Bentley Fortissimo tennis racquet of 1972 was the first oversize tennis racquet to be produced and demonstrated publicly. [1] Prior to its introduction, all tennis racquets were much smaller in terms of the stringbed size, measured in square inches. Today, that size, known as standard, is not used by ...

3. Racket (sports equipment) - Wikipedia

   en.wikipedia.org/wiki/Racket_(sports_equipment)

   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 ...

4. Wilson Sporting Goods - Wikipedia

   en.wikipedia.org/wiki/Wilson_Sporting_Goods

   The Wilson Sporting Goods Company is an American sports equipment manufacturer based in Chicago, Illinois. Wilson makes equipment for many sports, among them baseball, badminton, American football, basketball, fastpitch softball, golf, racquetball, soccer, squash, tennis, pickleball and volleyball . The company owns the brands Atec, DeMarini ...

5. Wilson K-Factor - Wikipedia

   en.wikipedia.org/wiki/Wilson_K-Factor

   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 ...

6. Wilson ProStaff Original 6.0 - Wikipedia

   en.wikipedia.org/wiki/Wilson_ProStaff_Original_6.0

   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 ...

7. ERIC - EJ211563 - Physics of the Tennis Racket., American ...

   eric.ed.gov/?id=EJ211563

   Brody, H. American Journal of Physics, v47 n6 p482-87 Jun 1979. Examines several parameters concerning the performance of tennis rackets, such as the location of the center of percussion, the time of contact, the period of oscillation of the tennis racket, and the coefficient of restitution of a tennis ball.