Originally Posted by Torres
It sounds interesting. Doubt that it would be my type of stick, but its interesting nonetheless.
The one doubt that I would have with this type of stick is whether you would have to change your natural stroke mechanics too much in order to flatten out the ball, and hit through the court.
In theory at least, that would depend on your string type and tension. As long as you are hitting with a steep swingpath and/or a closed racquet face the mains will slide tengentially producing spin and a higher launch angle. And because incoming balls almost always have topspin on them (the friction between the ball and the court applies topspin on the bounce, even if the shot was perfectly flat before bouncing), combined with the fact that we rarely hit a ball at the exact top of the bounce, when it's neither rising nor falling, means that the angle between the ball and the strings will always be slightly more acute than perpendicular. Therefore, the main strings are going to slide and snapback to some degree on almost every shot and the launch angle will be somewhat different each time, depending on how far those strings slide.
This would be minimized to some degree with stiffer strings strung at higher tension.
However, the same thing happens with copoly strings or gut/copoly hybrids in conventional string patterns and people seem to be able to adjust for this and flatten out the ball.
But certainly, if the strings did not move at all, if they were locked at the intersections, the launch angle would be much more consistent and independent of the incoming shot parameters and therefore more "predictable" from shot to shot by our brains' targeting computer.
I would think the spin effect frames would be best for heavy spin hitters who play from the baseline with very fast swings, and rather poor for flat hitters and those who come to the net a lot. The shot to shot launch angle variability of slippery strings is magnified on shots where you swing slowly - on volleys and returns - because then the launch angle is more dependent on the incoming shot parameters. On the other hand, Drak reports that the 99s volleyed well, so this string pattern, combined with whatever string and tension Wilson set it up with, might be OK.