Dynamic Tension – Part One
Dynamic Tension, hereinafter referred to as DT, is ball power in kp required to depress the string bed one (1) cm at the center of the string bed. What is kp? ...
All You Need to KNow About 6 Point Mounting Systems
John Gugel2013-08-13T01:39:16-04:00The funny thing about six (6) point mounting systems is that they may be more than six points, and, sometimes during the stringing process, may be less than six points! Lets...
Racquet Weight Theories
John Gugel2013-08-13T01:39:16-04:00That’s right, there are two theories and they are based on over thirty-five years in the tennis racquet business. The precursor to these theories is what was available when I started...
A New Yonex RQ-220!
John Gugel2013-08-13T01:39:16-04:00I was going through my stash of racquets that I have collected over many years and found a new Yonex RQ-220 racquet! I have a lot of old racquets but...