Archives for May 2011

Dynamic Tension – Part Duex

How is DT different than Reference Tension, hereinafter referred to as RT?   Well, very simply, RT is the “beginning” and DT is the “ending”.  I mean when a player asks for a RT of 55 they are requesting that you set your stringing machine at 55.  What you end up with may be different from [see more]

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?  This is the International Unit of mass generally called kilo’s and equals 2.20 pounds. What is one (1) cm?  This is the International Unit [see more]

All You Need to KNow About 6 Point Mounting Systems

The 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 go with the “more than” first.  Six points refers to the number of places the machine contacts the racquet for support.  These spots can [see more]

Racquet Weight Theories

That’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 working with racquets.  It was hard to find a racquet that did not weigh over 340 grams (12 ounces), and these racquets were relatively [see more]

A New Yonex RQ-220!

I 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 this one stands out for it’s “retro” specifications.  I think this racquet is from the 90’s and even has the word “widebody” on the frame.  [see more]

Head YouTek Speed MP 315 16×19 Review

“The Head Speed series incorporates both d3O™, a “smart” material which allows the racquet to adapt to every shot you take, and Innegra™ a new hybrid composite structure that is extremely tough and light.  According to Head, vibration on ball impact is reduced by up to 17% which leads to unique control and precision.” The [see more]

Head YouTek Speed MP 315 18×20 Review

“The Head Speed series incorporates both d3O™, a “smart” material which allows the racquet to adapt to every shot you take, and Innegra™ a new hybrid composite structure that is extremely tough and light.  According to Head, vibration on ball impact is reduced by up to 17% which leads to unique control and precision.” The [see more]

Stringing Gosen Sidewinder 16

Recently I posted the characteristics of Gosen Sidewinder 16 and Sidewinder 17 and, while doing the testing, was surprised by the elongation exhibited by both gauges. Sidewinder is in the Gosen Polylon series and is a “special blend polyester mono-filament”.  Sidewinder has a “shaped” profile for enhanced “bite”.  Just feeling the string you may think [see more]

Head YouTek Radical OS Review

“The Head Radical series incorporates d3O™, a “smart” material which allows the racquet to adapt to every shot you take, and Teflon™ friction reducing polymer to allow strings to slide through the grommets with nearly no friction, which, according to Head offers more power and a larger sweet spot.” The Head Radical OS is the [see more]

Head YouTek Speed MP Review

“The Head Speed series incorporates both d3O™, a “smart” material which allows the racquet to adapt to every shot you take, and Innegra™ a new hybrid composite structure that is extremely tough and light. According to Head, vibration on ball impact is reduced by up to 17%  which leads to unique control and precision”. The [see more]