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Only for those interested in feel/control/twist weight/snap back/

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  • Only for those interested in feel/control/twist weight/snap back/

    I do have a degree in electricity, but this is a different subject, still, just from my own experience, when aiming for the spot on the ball to hit while serving either dtl or cc, whether to go dtl or cc, it's in the range of about 1" difference on the ball itself contact point, and the angle of the frame varies about 6-15 degrees. But that's my own experience! (Maybe that's why my serve sucks) Most of us don't even know that just by focusing our attention on a molecule, observing it, examining it, you change it a bit.

    EVerything is connected, but by forces we don't understand, can't measure, can't prove yet. Can't measure gravity either, other than by its' affects. The unified field theory yet doesn't exist because they cannot reconcile gravity, and this sport is all about gravity. You can see the forces around some players are greater than others: Nadal/joker are top examples of visible yet invisible forces at work. Golf is more advanced in tennis at recognizing this, and analyzing it as well.


    Golf in the kingdom. Where is our tennis in the kingdom, playing in the dark, feeling the shot before it's been hit, knowing your ball is on the line just after the string bed contacts it, feeling the zone we all know and love? We've all hit perfect shots. We all know that joy and feeling of love attached to perfection. But it's more than that.

    There is magic in the world. Either you believe in God or Zeus, not both.


    The contact point in the string bed does affect shots far greater than most know. Up towards the top of the frame, the strings are shorter, higher in pitch and frequency, and the bed deflects and inflects less, and causes more "shock" for a better word, in the frame itself, which vibrates and reverberates (more so on higher twist weighted shots) yet, most top players hit in between the 3rd and 8th cross down from the top. Why in hell don't frame makers list their twist weights on any frame made when it's so important to feel? (Their control and leverage are greater up there even though there is less power, due to the lessor deflect/inflect rates.).... Their contact rate in that zone also varies, whether it's in the middle of the bed, lower 3rd, or upper 3rd. The ball also moves across those points depending on frame angle, and force applied. That explains why so many shots die in the net when the contact point is outside 3rd: not enough inflect/deflect, nor control on higher pitches, higher frequencies, higher twist weighted shots! Moreover, these higher frequencies, cause the frames to vibrate at higher pitches, shorter duration, causing more elbow injuries for several reasons. And stays on the string bed for a smaller time. (Would you rather get hit with high frequency ac, or flat line dc?) When are they going to start making a square racquet, anyway? Also need a twist weight off center counter, such as a gyroscope.

    The tell tale evidence, on your own string bed, is the deepest notch on cross. Move your strings aside, and not which string on cross is notched most deeply, and that's where you are experiencing the most snap down( top) and snap up(slice), sawing the crosses the most, where the ball causes those mains to move the most, as each shot causes a few of them to move. The harder the shot, the more the ball deflects the bed, and "squashes" out flat, and the more strings move, farther compared to less powerful, dynamic shots. The longer center mains, move more easily, as their pitch/tension is less, and they loosen more quickly due to their increased deflection, and lessor friction, than the peripheral strings which are shorter, higher in pitch, tension, and friction. The co of the two center mains is higher (less friction), so they will move more and notch more. Yet, the movements are only located in the area where the ball strikes the bed! Not much farther away at all from the squash point.

    This is why I experiment so much on string tensions, varying the mains/crosses, to see how feel and control are affected, ie, the latest job I did, (two days ago), was with l-tec 4s mains, first six center strung at 80lbs,( babolat frame 16 x 19), next peripheral mains strung at a radical drop of 20lbs to 60lbs, and then final exterior mains at 45lbs. I then took the powerful poly star energy, as cross, and the first down from top(which always has knot tension loss anyway), at 45lbs, then next string down, 50lbs, then next 10 down, 62lbs, then final crosses down, 50lbs, in a hypothesized attempt to: lessen deflection, increase control higher up in the string bed (by allowing less tension/more snap back up there near the top of the frame, where I contact most shots), at high top spin frame speeds, even out the contact bed, combat tension loss, and just see what affect this hybrid had, compared to an identical frame, same mains, same tension, different cross: bhb7, same cross tensions as a control frame.

    The bottom line is, the people with the most control, are the ones who are able to replicate their contact point more exactly in terms of distance from the top of the frame, just a few crosses down from the top, all the time, in the center of the bed.

    That's where the zone lives.
    Last edited by GeoffWilliams; 01-09-2014, 10:00 PM.

  • #2
    the next experiment I would try is this: vary the top crosses going down, in the hitting zone, 3rd cross: 62lbs, 4th cross: 45lbs, 5th cross: 62lbs, 6th cross:45lbs, on down to the 12th cross down, and then tension the rest at 55lbs, so as to increase the cof on the mains, to increase snap back in the hitting zone.

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