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** Stringway cross-stringer for badminton**

Discussion in 'Badminton Stringing Techniques & Tools' started by stringtechno, May 5, 2011.

  1. illusionistpro

    illusionistpro Regular Member

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    This is incorrect. Most stringers string bottom up. I'm not sure about tennis, but in badminton there is MORE stress on the racket going from top down. This is for any machine 2 pt or 6 pt.

    Why would you assume badminton stringers go top down? hmmm...
     
  2. oldskool

    oldskool Regular Member

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    I string most of the time bottom up especially on high tension. I think most stringers do because the tubes on the head are mostly single ones, so on a 4 knot pattern will be a problem if start from the top.
    I am very curious to see if this works.
     
  3. stringtechno

    stringtechno Regular Member

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    1.


    Excuse me you are right,
    For badminton it is better to go from bottom to top but that counts especially with machines with outside supports and less for machines with multi point direct (inside) support.

    Most tennis stringers go top-down because the head is the weaker part of the frame.

    The reason that it is more important on 6-point machines is that the pressure on the outside supports at the throat side will be higher, because the throat side is wider.
    When you start at the throat you gradually pull the pressure off the outside supports, when you start at the top you push the pressure upwards and raise the pressure on the supports at the top.

    On inside supports this does not play a role.
     
  4. kwun

    kwun Administrator

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    some good points are made.

    i think the forumers will be willing to help and be part of an experiment. but you also need to contribute back to the forum by at least letting us see a video of the device at work. or even better by allow some forumer to get their hands on one.

    it would be really no fun if we contribute our side of the experiment and then we got left in the dark on how it turns up at your end.
     
  5. silentheart

    silentheart Regular Member

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    So you are not allowed to mention anything on a forum without factual evidence?
    You can mention anything you want. Please back up your claim after you test it on a badminton racquet.
    These are the other advantages that the tools have for tennis, maybe it is different for badminton?:
    * Weaving goes quicker and the speed is the same for nylon, gut and poly strings.
    Yes for beginner. Questionable for for more experenced stringers
    * Weaving high density patterns goes as quick as weaving low density patterns.
    I can see that
    * Pulling the string through is quicker, without friction.
    No objection
    * Minimum chance of mis-weaves.
    OK, less chance.
    * No danger of “burning” the string.
    Yes for the middle 10 mains
    * Weaving goes more relaxed, so it is easier to string more racquets without interruption.
    Questionable. Interruptions are from TV or customers or the cute girl standing there watch you string (or my wife asking about the honey do list).
    I do not see the difference in using the tool with or without tensioning.

    There may be some misunderstandings:
    The new tool is designed to use from the first string at the top until 2 to 3 strings at the throat, it stays in the racquet all the time.( We assume that most stringers go from top to bottom (certainly on 6 p;oints machines) because that causes less stress in the racquet)
    The other member has corrected you on that.
    It will have 2 channels on one side a shorter one for the first strings and a longer one for the rest of the strings.
    OK, good idea and that might work.
    The advantage is that a badminton racquet is very wide at the throat so the tool can move far downwards.
    I think you see the problem when you move from throat up.
    b)
    I do not understand what the angle has to do with the tool, besides most tennis racquets are oval?
    Please get a Yonex Cabonex racquet and you will see.
    We once measured the time for the tennis units to enter 6 crosses and pull 4 meter of string through and the average time per string was 15,6 seconds. Pure weaving time will be around 10 seconds. But we will do a test with the badminton proto soon.
    Good, please test it on the top 5 strings and let us know if it make sense.
    OF course we do not need assistance with the design, we only want to hear requirements for the badminton tool which may be different then for tennis.
    Good, please get a regular badminton racquet and let me let me know if your tool can work on 22 main string pattern vs 12 main string pattern while 22 mains is regular width and 12 main is about 1/2 of the witdth. Please pick up a badminton racquet and you will see what I mean. Also, just to throw in a challenge for you. Get an YY ARC-Z racquet. If your tool works for a ARC-Z from 1st throat to last top and you can avg 15 sec cross weaving for entire racquet (including mounting and dismount of your tool), then got a winner.
     
  6. kenzo

    kenzo Regular Member

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    The only way they could make it work for most of the racket is to make the long channel 18 mains and the short channel 14 mains which would leave out the top 2 strings, not that big of a deal. But in order to make the tool work for both oval heads and isometric heads you'd probably need to reduce the long channel to 14-16 mains, probably taking away all the time advantage with it. Eagnas' cross string guide looks like it covers 12/10 mains on the long/short channel.

    With a slippery thin string on an iso head and weaving one ahead my average is 8-10 seconds for a grommet to grommet weave, which is your 'quoted' time for a tennis racket. For a thick grippy string on a preweave instead of one ahead, my average is 12-15 like silentheart's. Even shaving off 5 seconds from the total stringing time per cross used with the tool, you'd be saving what, 1-2 minutes? So yes, I really only believe this tool will be useful for people who don't know how to weave.

    Barely any rackets have something other than 22 mains so your point about pattern density is kind of irrelevant with badminton (only Babolat's comes to mind which has 20 mains - even less, which makes your point more irrelevant). All of the "advantages" you list put together aren't enough to justify the product if it isn't quicker, and pretty much all of the advantages are removed if you are forced to make your product smaller - as well as adding a disadvantage as you have to remove the string from the tool in order to pull the string through without risk of burning using the normal method.
     
    #26 kenzo, May 11, 2011
    Last edited: May 11, 2011
  7. silentheart

    silentheart Regular Member

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    1) Thank you for seeing what I am talking about.
    2) Damn, you are fast. I usually don't string with slippery strings.
    3) Just want to add to your point. the crappy Prince (Bonny) Y throat racquet has less dense string pattern too. Also, if the tool only moving the center 12 or 14 mains, the mains out side of those center mains will be burned even more than you and I moving the string up and down the main while pulling crosses by hand.
     
  8. kenzo

    kenzo Regular Member

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    YULitle can do a tennis cross in 5 seconds :(
     
  9. stringtechno

    stringtechno Regular Member

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    1.


    It might be good to explain more about the way we develop and the phases we go through and are in at the moment:
    - We want to develop this new product with feed back from the market, instead of putting it on the market and hear what users think of it. So this is not a way of marketing a product it is a cooperation with the market.
    - There is only one prototype that we have been testing which uses the principles of the production unit but does not have all features of the production unit and looks quite different.
    - We are designing the production unit with our 3 D design system at this moment. As soon as we are satisfied with it we will show a jpg from the system.
    - After the design is as perfect as it can be we make a production proto.
    - We will show pictures and a video of the production proto as soon as it works well.
    - If the production unit works well we order a series 200 to 300 units.


    So there are no units that could be used for forumers and no video to show. As I already said we make a nice offer to those who contribute to this discussion IN A CONSTRUCTIVE WAY. We are open for any criticism that can lead to a better product but not for those who only try to blow away new ideas.


    We just received a number of Yonex racquets from the Dutch Yonex importer to test.


    Because the tool has channels of 3 length it is not more difficult to do the first crosses, the short channel passes 14 mains, the second channel 16 and the long one 18. You just choose the channel you need and the first 5 strings are not more difficult then others (except for the double holes).




    Good, please get a regular badminton racquet and let me let me know if your tool can work on 22 main string pattern
    We are using the unit that we have on a badminton racquet 22 mains and with 20 strings in the unit.
    We do not understand the sense behind the short Eagnas unit.


    I do not think that Yulitle is standard as a stringer, most stringers are much slower and such tools are meant for those who prefer use it, do not like weaving or are slow. I assume that the 5 seconds counts for a tennis?
     
  10. kenzo

    kenzo Regular Member

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    Which was pretty much the point I was trying to make in my first post :rolleyes: - this product doesn't really have a market for people who know how to weave. Yes, 5 seconds is the tennis weave, but I'm sure there are some who could do a 5 second weave in a badminton racket.

    No one tried to blow away new ideas, you wanted to know whether a unit offers enough gain in time and my answer was that for experienced stringers no, beginners probably yes - as you confirmed yourself. Up until now you haven't really disclosed any details on your current design so constructive criticism couldn't have been made.

    Your design has really assumed that badminton stringers string top to bottom. All Yonex rackets require you to use a Yonex pattern (which is bottom to top) otherwise warranty is invalidated. For people wanting to use your product for bottom to top patterns, the top 5 or 6 crosses will not be reachable with your tool if you make it so large. Oval head rackets will also be incompatible with this design because of the slanted outer mains and higher density pattern, you will need to create a separate product to compensate for this or ignore these rackets entirely. Don't forget, tennis rackets have a lot more space either side of the mains than badminton rackets.
     
  11. stringtechno

    stringtechno Regular Member

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    The design of the tool has nothing to do with going from top to bottom or the other way. I mentioned that only to explain that you can position the tool at the throat side and do the crosses with the shorter channels including the first ones.
    The advantage of going from the bottom is that you can start with the long channel side, when 18 mains are in the tool. I saw that the first cross at the throat passes 16 mains in the Yonex racquets.
    Of course you can go up further when the tool is shorter but with 18 mains in the tool and the short side at the head that could be a good compromise.
    There is a trick to enter crosses on both sides of the tool but that depends if the stringer, if he wants to adjust his string pattern when he uses the tool.
     
  12. kenzo

    kenzo Regular Member

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    Contradict much? But fair enough, you don't want to reduce the size so how about just state that instead of making up ignorant justifications.

    Yonex stringers cannot modify the stringing pattern as I said, and using both the 18 and 16 channel at the top of the racket will only gain you 1 extra cross with more hassle to boot as you have a hard weave to do if you skip 1 cross and come back on yourself. Any stringer worth their weight will not skip 2 crosses so using the 14 channel as well is out of the question.

    I notice you've previously tried to "release" your tool in 2009, why is it now that you are still at the design stage?
    http://www.badmintoncentral.com/forums/showthread.php/62691-New-cross-stringing-tool-from-Stringway

    As your tool's design appears to be set in stone (seeing as you've ignored my other points), there really is nothing more one can add. Good luck.
     
  13. stringtechno

    stringtechno Regular Member

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    Hi Kenzo,
    You seem to understand for 100 % how the tool is used, I have my doubts.
    We launched the tennis tools in 2009 and sold many of them and got a lot of requests for badminton tools.
    That is the reason that we are working on the badminton tool now.
    I thought I answered all your points, which were most relevant.
     
  14. silentheart

    silentheart Regular Member

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    Hi Stringtechno,

    I feel it is you who did not see what we are talking about. As we are trying very hard to explain to you. You got a dilemma with your tool.
    1) If you wish to use it for all crosses, without changing the insert, your tool can not be wider than 14 mains (I would argue it can not be wider than 12 mains in oval racquet case) When that happen, you will need to weave the outer 5 main on each side. With your tool in place, weaving the outer 5 main on the right then weaving the 5 on the left again will take more than 7 sec with my estimate. Especially with the string close to the top, you will have no room to do so. So you are slower than me without your tool.
    2) If you wish to use it on all strings, you will need to change the insert every other cross once you reach the share holes. Let me ask you, how long does it take to change your inserts? By doing so, you will add at lease 4xtime of changing inserts. Then your time will be longer than I would without your tool.

    We ask you to use a mini size of your tennis tool as proto type and you will see what we are talking about.

    Really, this is our best suggestion to you.

    Unless you can send us a test unit or show us a video how it works on a badminton racquet (Not on a tennis racquet), I can not help or contributing to your idea.

    Good luck...
     
  15. stringtechno

    stringtechno Regular Member

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    There may be some misunderstanding:
    The tool has 3 channels 2 at the short site and 1 at the long site.
    These channels pass 18 / 16 and 14 mains and you have a choice how to use the system.
    For tennis I never use the long channel, because it is easy to use the shorter channel for the longer crosses.
    So you do not need a shorter insert to do the shorter crosses.
    If you do want to use the short and long channels coming from one site you only turn around the upper and lower part and leave the comp in the racquet.
    The video of the tennis tool shows that, you could have another look at that.
    I did not say you can do all crosses when you come from one site, and pull tension on every string directly. You can not do the last 2 to 4 depending on the racquet shape and if you want to preweave strings.

    The proto that we use at the moment has channels for 22 and 20 strings in it so we do understand the influence of the length making a shorter version.
    We have designs of 20 and 18 in the long channel in de 3D drawing system.
    We can show better how to use the tool when we have our production proto. We are not going to show the proto that we use now because that gives the wrong impression.
     
  16. Ouchee

    Ouchee Regular Member

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    Has anyone seen the following? I think it is a pretty good trick on weaving.

    <iframe width="560" height="349" src="http://www.youtube.com/embed/6Tuc5ISysro" frameborder="0" allowfullscreen></iframe>
     
  17. kwun

    kwun Administrator

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    yes. we have talked about this method before. cannot seem to find the thread though.
     
  18. stringtechno

    stringtechno Regular Member

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    Cross stringer in Yonex racquet

    Hi guys,

    Hereby some more information, which might take away some misunderstandings.
    I put one of the Yonex rackets that we received into the 3 D design system.
    The pictures show the tool for 18 mains in the racquet.

    The pictures show how to put the crosses in going from bottom to top starting with the first cross only using the long channel.
    When you use the tool in this way it stays in the racquet from the first until 3 to 4 strings before the end.

    I also did a time test with the badminton - proto:
    It took me 82 seconds to put in 8 crosses, without passing through the grommet.

    Take into consideration that I am a stringer without any skill, I hardly string racquets the last couple of years, I pass them all on to my son in law.

    I will make another picture that shows how to use the shorter channel for the strings at the top later.

    [​IMG]

    [​IMG]
     
  19. silentheart

    silentheart Regular Member

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    Good. 2 issues based on your picture.
    1) You will still need to hand weave the 1st cross from throat and last 4 or 5 crosses depend on the racquets.
    2) Basically, the bolk of the crosses, you still need to hand weave the first 2 string and last 2.
    So, what is the total time for you to weave the including 1st cross to last on the top including mounting and taking out the tool?
     
  20. maa2003

    maa2003 Regular Member

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    maybe the time is more than without the tools.
    not to forget the small diameter of badminton string, you may ask why it is not passing-through the tools ...
     

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