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  1. #1
    Regular Member dingboy's Avatar
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    Default Enlarge grip size via Heat Shrink Sleeve method .... DIY + Pics

    Hi all ....

    A few days a go, i posted a topic on enlarging grip size via the Heat Shrink Sleeve method.

    After much digging and research, i finally gathered the materials and instructions for doing so.
    For all those who may be interested, pics are below ....... enjoy.


    Materials

    1) Heat Shrink Tubing / Sleeve - Comes in a variety of sizes and are available at specific hardware shops.
    For my experiment, i used Radiform Heat Shrink Tubing - 2 : 1 (non-adhesive).
    I cant really remember the actual size, but as long as it fits through the end cap of the racket, it's good enough.
    I used the non-adhesive type as i may want to remove the sleeve at some point.

    2) Heat Gun - Any off the shelf type will do. Hairdyers can also be used, but it may take quite some time.

    3) Cutters / Penknife - To trim off the excess shrunk tubing






    I didn't really pull the tape taut as i should have, so the actual reading should be 7.5cm
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    First, measure and cut the Heat Shrink Sleeve ( HSS ) to accomodate the handle length.
    *IMPORTANT* : Remember to leave adequate excess at both ends as the HSS shrinks length-wise as well.
    In my case, i left an excess of 2.5cm at both ends.
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    Slide the handle through the HSS and ensure that the excess on both ends are even.
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    Standby your Heat Gun, medium heat should be more than adequate.
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    *Important* ... Rotate the handle constantly and heat the HSS with a continuous motion.
    DO NOT focus the heat direct at any one spot for too long.
    A gradual rotating left-right-left motion will ensure that the HSS shrinks evenly.
    After you're done, the shrunken HSS on the handle should look like this:
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    After application of the HSS, the overall diameter has increased by 0.5cm.
    ( i pulled the tape taut this time)
    While this may not look like much, i noticed that there was a difference in grip feel for me.
    In any case, you can always increase the grip size further by either adding another HSS, or by any of the other means.
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    Now, trim off the excess according to your own preference.
    In this example, i trimmed the top end to the bottom end of the cone, while leaving the butt cap 'wrapped' to protect it.
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    Another trimming alternative :
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    For some players who are worried that the HSS method will 'round-out' the handle, you can see here that the bevels are still quite 'sharp' and pronounced.
    After i was done with the HSS, i wrapped a Karakal PU Grip over it and i can still feel the bevels just fine.
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    I personally like this method as not only does it enlarge the grip size, it also doubles to protect the wood from constant grip changes, sweat or moisture.
    And because it's used for industrial applications, the HSS will definitely last for a long time.
    The HSS is also removable, if ever you decide you dont want it anymore.
    This method is also nice and neat.

    And there you have it, a quick DIY guide on how to enlarge your grip size using the Heat Shrink Sleeve method.
    Just a word of caution, if you're not very confident with trying this on your precious racket straight off .... practice a little first on either an old unwanted racket ( like i did ! ) or on any tube/pipe, just to get a feel for it.

    Happy Modding !

  2. #2
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    Very neat. I'll take the overgrip route but very nice nevertheless :-)

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    Regular Member dingboy's Avatar
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    Quote Originally Posted by Tamagi View Post
    Very neat. I'll take the overgrip route but very nice nevertheless :-)
    Thanks man .....

    i used to go the overgrip route too (masking tape to protect the wood, one overgrip + one Karakal PU)
    But the constant changing of Karakal grip when worn, kind of shortened the lifespan of the overgrip below.

    Let me see how this method works out.

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    good one dingboy.. hope you could post a pic after you place a grip over it.. ..and do share how its feel.. im also used overgrip.. but it tend to soft over time and need to be replace for new solid feel of the grip... mayb HSS the answer..

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    Now if someone had an easy answer to make grips smaller....

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    Regular Member gsloh's Avatar
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    Quote Originally Posted by druss View Post
    Now if someone had an easy answer to make grips smaller....
    Unfortunately, it's sandpaper wrapped around a flat block as the most cost effective!

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    Regular Member dingboy's Avatar
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    Quote Originally Posted by druss View Post
    Now if someone had an easy answer to make grips smaller....

    You could try a smaller generic replacement handle thats available from MBS, but i wouldn't have a clue on how to do the 'surgery' though.
    here's the link: http://www.mybadmintonstore.com/shop...roducts_id=909

    Or as bro gsloh mentioned ..... sandpaper, block, arm strength, sharp eye and lots of patience.

    Maybe you could remove the butt cap, clamp the racket level in a vice, and use a small wood plane or electric sander to remove a thin layer of the wood.
    After that, just sand the handle smooth and level.

    If theres a carpentry workshop nearby with the relevant equipment, maybe they could help you.

    Hope this helps.
    Last edited by dingboy; 03-23-2011 at 09:13 PM.

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    Regular Member dingboy's Avatar
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    Quote Originally Posted by awekuda View Post
    good one dingboy.. hope you could post a pic after you place a grip over it.. ..and do share how its feel.. im also used overgrip.. but it tend to soft over time and need to be replace for new solid feel of the grip... mayb HSS the answer..

    Hi there ......

    thanks for the compliment !

    I'm now currently waiting for my stock of RKEP grips to arrive ... (2.0mm thick)
    When they do, i'll wrap my VT80 (with HSS) with the grip and update you on the grip feel.

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    Quote Originally Posted by gsloh View Post
    Unfortunately, it's sandpaper wrapped around a flat block as the most cost effective!
    Quote Originally Posted by dingboy View Post
    You could try a smaller generic replacement handle thats available from MBS, but i wouldn't have a clue on how to do the 'surgery' though.
    here's the link: http://www.mybadmintonstore.com/shop...roducts_id=909

    Or as bro gsloh mentioned ..... sandpaper, block, arm strength, sharp eye and lots of patience.

    Maybe you could remove the butt cap, clamp the racket level in a vice, and use a small wood plane or electric sander to remove a thin layer of the wood.
    After that, just sand the handle smooth and level.

    If theres a carpentry workshop nearby with the relevant equipment, maybe they could help you.

    Hope this helps.
    Thanks but I am already aware of both... which is why I said "simple" Sometimes it's just cheaper or easier to buy a g4 when I really wanted a g5... it's only happened a few times now but is annoying.

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    Regular Member visor's Avatar
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    Dang! And I thought this thread was about enlarging something else!

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    Thanks for sharing this idea, Dingboy. Your explanation is also very clear and professional!

    @druss and @gsloh: Planing or sanding the handle just might weaken it, don't you think?

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    Regular Member dingboy's Avatar
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    Quote Originally Posted by visor View Post
    Dang! And I thought this thread was about enlarging something else!
    Hahahahahahaha ! .... thats only if you see the words 'enlarge', 'pumps' and 'inches' in the thread title.

  13. #13
    Regular Member dingboy's Avatar
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    Quote Originally Posted by cobalt View Post
    Thanks for sharing this idea, Dingboy. Your explanation is also very clear and professional!

    @druss and @gsloh: Planing or sanding the handle just might weaken it, don't you think?

    Thanks a lot for the compliment bro .....

    I know that this method isn't exactly new or anything, but there just wasn't much info and explanations available around ...... so i thought i should contribute something.

    Hope it helped someone out there .....

  14. #14
    Regular Member dingboy's Avatar
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    Default Heat Shrink Sleeve .... with grip !

    Hi again all .....


    I've had a request to show the enlarged grip (after the Heat Shrink Sleeve is applied) with a grip applied over it.
    Rest assured that even after with this method, and with a grip wrapped on .... the feel of the racket bevels are still very much there.

    Apologies in advance for the poor quality pics.

    For this example, i'm using my NS9900 + RKEP King Grip G-03, which arrived in the mail today.







    Just came in the mail today ..... Yippee ! (thanks Eric)
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    My NS9900 with the Heat Shrink Sleeve already applied.
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    After 15 mins of experimenting with the length and stretch capabilities of this grip ......
    I finally managed to wrap it the way i like.
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    Different colour background for a better contrast view.
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    Different colour background for a better contrast view.
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    As you can see (i hope) .... the bevels of the racket handle are still quite visibly pronounced ....
    Grip feel is good for me .... not too thin, but not too 'spongy' either.

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    Looks good. W&D strings actually list a heat shrink grip enlarger in their catalogue, adds 1/8th per go, don't know if that's diameter or circumference though.

  16. #16
    Regular Member dingboy's Avatar
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    oops ...... sorry Mods, but i think i accidentally double-posted, or something.

    Apologies ....

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    Moderator cobalt's Avatar
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    Dingboy: the RKEP grip you have wrapped is not an overgrip, but a replacement grip. Am I right?

    If this is correct, do you think you will end up "pulling" some parts of the sleeve (and loosening it's form and grip on the handle) when it comes time to remove the RKEP grip once it is worn out?

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