Proportional Stringing

Discussion in 'Stringing Techniques / Stringing Machines' started by Irvin, May 8, 2017.

  1. Dags

    Dags Professional

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    Pretty sure this whole thread has become one big advertisement. Irvin sounds more and more like a shill for Sergetti with each post.
     
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  2. MathieuR

    MathieuR Professional

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    You are right. I edited the post, I added:
    or any other device that allows you to measure DT on different spots of the stringbed.
     
  3. Imago

    Imago Hall of Fame

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    First three paragraphs have paramount importance. I cannot enough thank you for them.
     
    Last edited: Jun 6, 2017
  4. Irvin

    Irvin G.O.A.T.

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    Well TANK you too. LOL
     
  5. Imago

    Imago Hall of Fame

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    Last edited: Jun 6, 2017
  6. Irvin

    Irvin G.O.A.T.

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    I'll take a look it later when I find out how to translate it.
     
  7. Rabbit

    Rabbit G.O.A.T.

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    Update: I played tonight with my Sergetti strung Pro 1. I don't know if I was having a good night, if thinking that the string job was "special", or if I've gotten used to my new frame but I played great. The single biggest change was my backhand which was really dialed in. The string bed is "tamer" if that makes any sense, more predictable. It just seemed like I got an even response on most every shot. Some have reported a drop off in spin, I didn't experience that, to the contrary, I found even more spin tonight.

    So far, so good. I'm going to string my other Pro 1 Sergetti-style.

    Edit: BTW I'm using synthetic gut 1.25 at 54
     
    Last edited: Jun 6, 2017
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  8. Tordne

    Tordne Semi-Pro

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    Purchased three more Sergetti sheets this morning :)
     
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  9. Rabbit

    Rabbit G.O.A.T.

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    Played again tonight, this time on clay. I don't understand it and can't believe it, but it does appear to make a difference. I had another really good outing. The string bed feels uniform and control is really good. Comfort is there as well.
     
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  10. Tordne

    Tordne Semi-Pro

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    This is perhaps what I’ve been most of 7 of 8 days in a row and my arm feels totally fine. Previously I would have felt my arm being a bit tight after each of these sessions. There are a few ladies around our club with those tennis elbow braces on. Not withstanding a lot are using a terrible racket for their injury and style of play, I wonder how much the a Sergetti stringing could positively contribute?
     
  11. Irvin

    Irvin G.O.A.T.

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    @Peter Masters, Probably a silly question, but strung a racket for a customer this morning who likes power pads. Should the use of leather power pads in the throat grommets change the tension recommendation for those strings.
     
  12. Peter Masters

    Peter Masters New User

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    Will check for you as I am not sure.
     
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  13. Peter Masters

    Peter Masters New User

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    I checked with HQ, the use of leather pads will not require any change to any of the SERGETTI tensions from the PTS
     
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  14. Imago

    Imago Hall of Fame

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    If this is a thread dedicated to Sergetti stringing, please change correspondingly the topic because it became clear that Sergetti stringing is not proportional stringing. Some colleagues may be led astray to think that proportional is a synonym for Sergetti. So I am asking the OP or the moderators to change the topic to SO-STAB STRINGING or whatever @Peter Masters finds to be an appropriate and adaequate name for their stringing.
     
  15. afeller

    afeller New User

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    I've also tested the Sergetti stringing with my Head Microgel Prestige MP with MSV Focus-HEX Soft at 22 kg. Its really remarkable, that the racket came out of the turntable without ANY force.

    Yesterday i played with this racket and it feels very good. Wherever i hit the ball the feeling was the same and it was a good feeling.

    Disadvantage: I cannot feel, where i hit the ball on the racket. On a normal string job you can feel it when you hit on the outside of the stringbed. Don't know if its good for training, when you don't know where you hit the ball on the stringbed.
     
  16. Irvin

    Irvin G.O.A.T.

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    I think you're wrong
     
  17. Irvin

    Irvin G.O.A.T.

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    I don't get that sensation when I hit off center I do feel it.
     
  18. Imago

    Imago Hall of Fame

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    So you think it's proportional stringing par excellence.
     
  19. Irvin

    Irvin G.O.A.T.

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    Absolutely, I've not encountered any better. In the past all tension has been adjust solely on the length of the string. The Sergetti method using a lot more to determine the tensions that should be applied to the string but I'd still consider it proportional.
     
  20. Rabbit

    Rabbit G.O.A.T.

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    You may have a point there....

    https://sergetti.com/en/news/
     
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  21. Karma Tennis

    Karma Tennis Professional

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    OK. So what we need now is for an Electronic CP Tension Head manufacturer to implement a software app and hardware interface to allow the tension settings for each each string to be programmed prior to each string job. That way, the stringer doesn't have to keep adjusting tensions manually between pulls, the software will automate the process.
     
  22. Rabbit

    Rabbit G.O.A.T.

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    @Karma Tennis - it's really no big deal to do. After I play through these two string jobs, I'm going to restring normally and see if there's a difference.
     
  23. Imago

    Imago Hall of Fame

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    This would be an entirely new electronic head, much more sophisticated than Wise and almost impossible to program as you have to enter between 20 and 50 parameters and be always connected to an ever growing online database maintained by a community of stringers.
     
  24. Rabbit

    Rabbit G.O.A.T.

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    Update: So I broke strings in one of the Sergetti strung frames and restrung it as mentioned above normal style. I have to say that while I was enthused to begin with, there really is no difference, certainly not a difference worth paying for. I did not find the Sergetti strung frame to display any extraordinary characteristics in comparison to the conventionally strung frame. IMO, the conventionally strung frame felt more solid off the ground.

    It was worth trying, but in the end I cannot recommend shelling out $'s for this. I think any perceived difference is between the ears and folks subject to "tinkering" will think it's the cat's meow.
     
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  25. MathieuR

    MathieuR Professional

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    I think "in general" a larger, uniform sweetspot must feel "better".

    It's a pitty the difference with a "normal" strung racket can not be measured by most.
     
  26. Rabbit

    Rabbit G.O.A.T.

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    I would agree, I just don't happen to feel that this produces it. :)

    I would think it would even be a "pity". When you say "measured by most" pray tell whatsoever do you mean?
     
  27. MathieuR

    MathieuR Professional

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    It is a pity that most (all?) users of the S-system can not measure the ( increase of) size from the sweetspot, only can use racquettune for a "general impression".
     
  28. Rabbit

    Rabbit G.O.A.T.

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    Sorry, I don't use racquettune. I have an ERT 300 which I rely on.
     
  29. 4-string

    4-string Professional

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    Cue, Stringlab plug.

     
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  30. MathieuR

    MathieuR Professional

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    Exact same thing: a frequency is transformed into a DT with an algorithm
     
  31. Rabbit

    Rabbit G.O.A.T.

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    Not exactly as there are quite a few more variables with racquettune. I have both & find the ERT to be much more repeatable.
     
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  32. MathieuR

    MathieuR Professional

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    Both RT and the ERT "transform" a measured frequency into DT.

    These are both indirect measurements.

    A key-factor is the weight of the vibrating system. With RT this is only the stringbed, with the ERT this is stringbed + ERT.
    As the weight of the ERT "dominates", the stringbed-weight-variations have hardly any influence.
     
  33. Rabbit

    Rabbit G.O.A.T.

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    Yeah, whatever. I'll stick with the ERT.

    Have you ever noticed that you consistently argue with each and everybody on the boards about nothing but minutia? If it was just me, ok, but everybody?

    I'd like to introduce you to a fence post.
     
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  34. MathieuR

    MathieuR Professional

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    No, I don't think measuring the DT accurately can be considered as "minutia". Every stringer with some self-respect measures the result of his string-job. And I do think that a lot of users of an ERT don't realize that this nice gadget measures by frequency-measurement. Why do you think a Babolat RDC uses a indentation method?
     
  35. hopcio

    hopcio New User

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    Hi guys, I'm trying out the sergetti method right now, for me is more a matter of tension maintenance. I got back to the game and one of the frustrating things about polys in my opinion is that they loose tension really fast ... if this solve the problem then I'm all in with it ... so far I've been playing 5 hours with it, first 2 adjustment period, felt different actually, after the 3 hour felt pretty good, even my shoulder appreciates it. By this time a normal stringing method will start to feel that I need to change it. So let's see how it continues to go


    Sent from my iPhone using Tapatalk
     
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  36. Karma Tennis

    Karma Tennis Professional

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    Indeed. And the best way to measure the result of any string-job is via direct feedback from the user (ie. the player who uses the racquet.) AFTER they have used the racquet. Any other measurement devices simply provides a "guesstimate". :)

    The same can be applied to any special stringing process. The ultimate measure of success lies in the hands (or is that mind?) of the user.
     
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  37. Irvin

    Irvin G.O.A.T.

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    @Rabbit did you ever revert back to the conventional method yet?
     
  38. Rabbit

    Rabbit G.O.A.T.

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    And he continues to argue....

    racquettune has many more external variables.

    1. The microphone in the device being used to "listen"
    2. The distance between the microphone and the string bed
    3. The object being used to generate the frequency; i.e. pen, pencil, awl, etc
    4. Background noise
    IMO all are fairly dynamic and are extremely likely to interfere with or skew results. Hey, I bought racquettune and the other tool. I also have an ERT 300 have you used both?

    Now about that fence post...
     
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  39. Rabbit

    Rabbit G.O.A.T.

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    Yes, per my earlier post.
     
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  40. MathieuR

    MathieuR Professional

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    Its both: what you call the "guesstimates-value", in combination with user-experience
    (+ used ref.tensions + string-type). This way you know what guesstimates-value is fit for a certain client.
     
  41. Rabbit

    Rabbit G.O.A.T.

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    True the above. There have been quite a few guys who were first timers with me. They either tell me a tension or don't. If they do, I string it at that tension. If they don't, I'll ask them if they like tight or loose. In either case, the first time if they don't like it, I ask for feedback....tighter, looser? I make the adjustment and give them a free restring. Works wonders for them and is just fair play. 99.9% of them wouldn't know dynamic tension or string bed stiffness if it bit them on the arsecicle.
     
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  42. esgee48

    esgee48 Legend

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    I'm with you. Most of my clients are repeats and they like a specific tension. A new one gets questioned, but basically, tight or loose, poly or SG. At least with RT, you can now get a handle on the tension in their frame because most of them do not know nor care. Most err for tighter since they know strings lose tension.
     
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  43. kkm

    kkm Professional

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    RDC and Stringlab 2 will change the SBS because they actually deflect the stringbed.
     
  44. MathieuR

    MathieuR Professional

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    Yeah , and when all people in NY walk west at the same moment, the earth starts to rotate faster.
     
  45. Imago

    Imago Hall of Fame

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    When you string proportionally (not Sergetti) poly/multi, the multi strings go down by almost 10 lbs after stringing and the mains start to move like hell. I have to compensate the crosses at least by 5 kg up to get something decent, which makes all proportionality... useless/ridiculous/redundant/funny (choose the proper word).
     
  46. Karma Tennis

    Karma Tennis Professional

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    Ah! So if we can convince them all to walk East at the same moment, the Earth will proceed to rotate at a slower rate.

    More hours each day to play tennis, or even restring racquets :)
     
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  47. MathieuR

    MathieuR Professional

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    After doing only the mains, the head is compressed ~2-3mm. A "average" string has a elastic elongation at 25kg of 2% that holds the tension, on 350mm = 7mm. So, every mm = ~3.6kg. 2-3mm compression --> 7.2-10.8kg tension-loss (which is recovered after finishing the crosses at proper tension).
     
  48. Imago

    Imago Hall of Fame

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    Only if the holding posts and towers are released. Otherwise the frame is not being deformed. The only real deformation occurs when stringing the crosses.
     
  49. MathieuR

    MathieuR Professional

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    Sorry to disapoint you, but even from the most expensive Babolat the towers will bend if you string the mains.
    Realize that when 16 mains are strung at 25kg, the towers experience a force of 400kg.

    Just measure it at your system
     
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  50. MathieuR

    MathieuR Professional

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    I did use RT on my android. Installed it again ("it" did know I did pay last time, cause it was free now). Nice gadget.
    I bought some stuff from a stringer that did stop stringing: a 30 year old glidebar-Stringway, strings etc ánd an ERT-700 in good working order.
    I already have my Stringlab2 and a stringmeter. I will do some parallel measurements.
     

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