The stringbed was represented by nine point masses connected to each other and the racket frame with elastic springs and three torsional springdampers between the hand and the racket were used to represent grip tightness.
The tests confirmed that the string pattern was the key variable affecting spin, with other tweaks to the racket frame necessary to fully enhance the effect.
The new K Factor KSix-One Tour 90 racket by Wilson was designed in part by Federer himself, who appears to have fine taste along with an impeccable touch behold the cool red, white and blue ellipsis shapes on the racket frame as well as the leather grip, which recalls rackets of yore.
With Tecau serving, Mike Bryan drilled a forehand at Lindstedt, who flinched and watched in horror as the ball deflected off his racket frame and flew far outside.
There was the crack of balls flying off Federer's racket frame at awkward angles as he missed forehands and volleys and even, gasp, an overhead or two.
The first was saved but he converted the second when Federer mishit a backhand off his racket frame.
His nickname is Boomer, presumably for the racket he makes.
You don't get anything in return for the racket.
Prince is flattered by imitators, as other companies have placed gaps in racket frames between the pinholes for stringing.
This "white ash" is used for baseball bats, hockey sticks, paddles and oars, tennis and other racket frames, and the handles of shovels, spades, hoes, rakes, and other agricultural tools.
