| Racket performance |
 | | Racket performance testing machine (MYO) |
The racket performance machine (known as “MYO” – the Greek word for muscle) is a custom built machine designed to measure the maximum power a racket can generate. Each racket is tested using three different racket speeds and six different impact locations on the face of the racket to identify the optimal power point on the racket head.
The MYO simulates a tennis serve using a powerful motor to rotate the racket in the vertical plane. A ball is dropped from above the racket and is programmed to drop the ball at a designated impact location, which is measured from the tip of the racket when it is in the vertical position. At impact the ball is fired through a set of light gates, which gives the in-coming and out-going ball velocity, therefore producing a measure of ball speed. The maximum ball speed at all three test speeds will be used to indicate the racket’s power. The MYO can produce a maximum ball speed of approximately 135 mph.
The aim is to benchmark all performance rackets from major manufacturers to produce an independent database of racket power values.
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