The Official Lead Tape Placement+Racket Customization Thread

Discussion in 'Racquets' started by xFullCourtTenniSx, Jan 29, 2010.

  1. saleem

    saleem Rookie

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    you will not increase swingweight by adding weight to the grip, adding to tip of the hoop will increase the most swingweight.
    here is excellent tool to figure it out http://twu.tennis-warehouse.com/learning_center/customizationReverse.php
     
  2. zalive

    zalive Hall of Fame

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    Swing weight as standardly measured at approx. 10 cm from the butt stays about the same with anything you add to the handle.
    However, you can still notice increase in power and changes in swing behaviour when you increase mass in the handle, because the nature of racquet swing and hit mechanics is more complex than just about swing weight measured at 10 cm from the butt.
     
    Last edited: Aug 23, 2016
  3. TennisHound

    TennisHound Hall of Fame

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  4. Irvin

    Irvin G.O.A.T.

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    no
     
  5. Bender

    Bender Legend

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    I've added an extra 3 g total at 12, 3, and 9, for a total of 6 g lead tape in the hoop in my PS95S.

    There is an additional 8 g of lead tape stuck in the butt cap, and the synthetic grip that came with the racquet was replaced with a Wilson leather grip.

    Currently using a full bed of Cyber Flash 17G at 49 lbs.

    Total mass now off the top of my head is in the 350-355 g range.

    Lovely setup so far; getting a lot of effortless power I could only get from the PS90.

    Still breaks strings like no tomorrow, so I'll probably be sticking to the PS90 in the long run.
     
  6. anhboa2

    anhboa2 New User

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    Someone enlighten me pls, i thought Federer or Wawrinka added more weight to the lower part of the racket. Their racket has higher static weight and less SW than the like of Djokovic (as reported by someone who owns them here)
     
  7. zalive

    zalive Hall of Fame

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    For what I know, if you go for too polarized a setup you will eventually lower MgR/I too much resulting in a setup which lags through the swing, because of pendulum physics related to it.

    To compensate for this you need to put some mass at the middle of the racquet, in the area from the top of the handle through throat up to the 12 o'clock area. Putting mass to this area will increase MgR/I (relatively) speeding up the racquet's head through swing.
    The inevitable result of compensating MgR/I (ideally getting it to around value of 21) by putting some mass somewhere at described area is that you increase static weight without getting significant SW gain.

    So while higher static weight is not as desireable by itself, a certain balance between SW and static weight is kind of wanted exactly because of connection to MgR/I. And in the end, mind that it's SW and lowish MgR/I that slow down a swing, it's no the static weight that does it by itself.

    Pro players specs are their preferrence related to their playing style. And Novak's setup is specific for its high TW. But AFAIK Novak also uses some lead at 7'' as customized by P1, it's kind of a need when custom polarizing racquets, as probably done by all pros.
     
    Last edited: Oct 12, 2016
    saleem and Karma Tennis like this.
  8. Liam Grennon

    Liam Grennon Rookie

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    Hi, I have a blade 98 countervail and prefer a little heavier and head light setup which the blade is definitely not (I got it brand new for free) and so I have put around 10 grams of lead tape in the handle and want to put some in the butt cap but the handle is filled both sides with silicone, can I place the tape on top of the silicone? Or the backside of the cap?
     
  9. robbo1970

    robbo1970 Hall of Fame

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    I'm considering adding some weight to the handle of potentially two racquets. Both have a static weight of about 310g and a SW of 310/315. I'm happy with the SW but want them more headlight balanced and I'm enjoying a static weight these days of about 330g.

    Therefore, I'm thinking about running strips of lead tape equally along each flat edge of the handle, from the butt to the top of the pallet, to achieve this weight.

    My question initially goes to @Irvin and @zalive, as I know they have a good knowledge on such things. Any downsides to adding this sort of weight just to the handle? Cheers guys.
     
  10. purdyd

    purdyd New User

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    I put 5 grams of tungsten putty between the cap and foam size on my cv blade. It's a good place to add weight if you are trying to make it head light.
     
  11. zalive

    zalive Hall of Fame

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    My personal experience, the one I still can't explain, is that I don't like heavy grips since I noticed they can slow down a racquet through swing. Two strips of lead along flat edge might possibly do something similar. But since weight isn't too much it might be ok as well...so you should try it.

    I personally wrap the lead around the handle (if there's no trap door and I don't want to bother with taking the butt cap off), either at the butt cap or at the top of the handle. Wrapping it around the butt cap is most neutral for specs, aside that it significantly increases recoil weight (which is actually good for volleying since it makes racquet more stable). But I usually put less than 20 grams at the butt. I still did up to three layers of lead in a two to three parallel wraps next to each other, going from the butt cap to the handle/pallet - I usuall put no more than two layers to the last wrap ending at pallets - and I was ok with the result, nothing that would bother me in play.
     
  12. Irvin

    Irvin G.O.A.T.

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    I agree with @zalive any weight you add to the racket anywhere will slow down the frame. Adding lead strips under the grip will build up the grip but it is the easiest location to add it. If I had two rackets I would not add mass to either unless I was matching the, or knew the exact specs and was trying to determine an ideal setup for myself. If I were tail weighting a racket I would put the weight inside the grip
     
  13. robbo1970

    robbo1970 Hall of Fame

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    Thanks for this. Basically I am trying to get my HM300 to the same weight and balance as my Dunlop F100. Both have the same SW, but the F100 is 330g with a lower balance point. Therefore, my thought is that if I run lead tape along the length of the handle on the HM300, it should work. And a slight increase to the grip size is fine.
     
  14. Irvin

    Irvin G.O.A.T.

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    @robbo1970 seems like that would work but how much weight do you add where? Everyone when I was a kid in school used to say I'll never need this. Today they say, I don't need to know math I can use a calculator. LOL Time to break out the calculator isn't it? Maybe Siri knows how to use it.

    I'm assuming your HM300 is lighter with a higher balance point, because you're going to add mass to the get the balance to match. You're overlooking the fact that your Inertia at center of mass (aka recoil weight) is different in the two rackets. You know the weight of the two rackets and the difference is the amount of weight you have to play with. Now you need to figure out where to stick that weight. You should be able to figure out the difference in inertia of the two frames and that difference is what you want to build up. Hopefully the lighter racket has the lower Inertia, because you can't lower inertia by adding mass.

    So I'm going to assume your lighter racket is 10 g lighter, the inertia is 2 points lower, and the light racket is more head heavy (that's why you add mass to handle.)

    I = mdd
    I/m = dd
    Sqrt(I/m) = d
    Sqrt(2/0.01) = d
    14.14 = d

    So you put 10 g 14.14 cm below the balance point.

    EDIT: Hopefully your balance and SW match or it's back to the drawing board.
     
  15. Irvin

    Irvin G.O.A.T.

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    I also like to see what is going to happen to the Balance and SW before I just start adding on weight. You need to know where to add how much to get them to match before you ever start. No sense in trying to match something that does not match.
     
  16. robbo1970

    robbo1970 Hall of Fame

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    Yes, both have the same SW at present, but the 300 is even balanced and the 100 is very HL. Therefore, I think I can add all the weight to the handle, increasing the static weight, keeping the same SW and moving the balance point lower.
     
  17. Irvin

    Irvin G.O.A.T.

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    LOL - Good luck with that. I've never been that lucky.
     
  18. robbo1970

    robbo1970 Hall of Fame

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    I think I perhaps need to concentrate the weight as close to the butt end as possible to start with, then perhaps move up the handle to gradually spread the weight a bit.
     
  19. robbo1970

    robbo1970 Hall of Fame

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    I think the starting specs on the 300 are in my favour, but it's not the end of the world if it doesn't become an exact match. The main objective is to get more weight to the handle and make the balance more HL and get the overall weight up without increasing the SW too much.
     
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  20. morten

    morten Hall of Fame

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    For me putting weight at the buttcap area changes the frame more (mostly negative for me) Better putting weight at the end of the grip,7 inches from buttcap. Very good position.
     
  21. zalive

    zalive Hall of Fame

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    There's no really a neutral change. Whatever and wherever you put or whatever you take off racquet, racquet will be changed in a certain way.
     

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