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  1. #324
    Regular Member chilli's Avatar
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    Pre-ordered 4 Z-Speeds today. The price is slightly below the Z-Force, and here in Canada, the MSRP is $300. but I'd sell it for about $239. Getting one for myself to try out...my go-to racquet has been the Z-Force since its debut...head-light and head-heavy...hhmm! Launching date is September 13th, so will post my personal non-professional review after.

  2. #325
    Regular Member visor's Avatar
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    @demolidor
    Has the swing wt data been posted up on at700.com? I couldn't find it. Tks.

  3. #326
    Regular Member samsudds's Avatar
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    Quote Originally Posted by chilli View Post
    Pre-ordered 4 Z-Speeds today. The price is slightly below the Z-Force, and here in Canada, the MSRP is $300. but I'd sell it for about $239. Getting one for myself to try out...my go-to racquet has been the Z-Force since its debut...head-light and head-heavy...hhmm! Launching date is September 13th, so will post my personal non-professional review after.
    Is it 3u/2u? Considering myself 2u for tad bit smash power...

  4. #327
    Regular Member chilli's Avatar
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    Quote Originally Posted by samsudds View Post
    Is it 3u/2u? Considering myself 2u for tad bit smash power...
    getting the 3UG4. Not sure if it'll ever replace my favorite Z-Force...love that racquet.

  5. #328
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    Kinda ex...almost similar pricing as Li Ning N90III........http://badmintononlineshop.weebly.com/

  6. #329
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    Im waiting for the SP version

  7. #330
    Regular Member samsudds's Avatar
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    Quote Originally Posted by chilli View Post
    getting the 3UG4. Not sure if it'll ever replace my favorite Z-Force...love that racquet.
    Z-Speed would be great companion for Z-Force....

  8. #331
    Regular Member samsudds's Avatar
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    Quote Originally Posted by Shinichi View Post
    Im waiting for the SP version
    @kennyscj pls advise,sir

  9. #332
    Regular Member Mark A's Avatar
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    Quote Originally Posted by Shinichi View Post
    Im waiting for the SP version
    I'm almost certain I will regret not waiting at some point. But not yet.

  10. #333
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    493 km/h is obviously yonex's marketing bs...
    how did they manage to get such a number? probably by using the high speed camera to track the velocity of the tip of the shuttle rather than the center of mass. once the shuttle has stabilized, the speed of the tip and the speed of the center of mass are equal, but before that happens, there is a lot of room for fudge factors
    Quote Originally Posted by j4ckie View Post
    Obviously. Simple mechanics - the momentum of any object relative to your hand (which is what you feel and interpret as 'head heaviness') is the product of the object's weight and the distance of your hand to its balance point, i.e. M = F x d. As the ArcFB is so light, the balance point can be pretty much anywhere in the usual range (280-320mm) without it feeling even remotely the same as a real head heavy racket (i.e. with a weight that's actually useful).
    Assuming you grip the ArcFB pretty low and have roughly my hand size, the momentum would be roughly
    [0.3m-0.05m (center of my palm)] * 0.073kg * g = 0,179 N*m
    Comparing the N90:
    [0.318m-0.05m] * 0.088kg * g = 0,231 N*m

    That's assuming factory grip and no strings, changes to the grip and strings will of course change these numbers.
    actually it's the moment of inertia about the handle of the racket that matters the most.
    the balance point and total weight determine how the racket feels when you hold it, but the swing speed is determined by the moment of inertia about the handle.
    Last edited by randomuser; 08-31-2013 at 09:51 PM.

  11. #334
    Regular Member Maklike Tier's Avatar
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    Sometimes I think I will never understand people. Yonex always makes these claims and not even the pros can translate them onto the court in an actual match, and yet even though people say they also don't believe the claims have any real world benefit, they still - in the back of their minds - think it will.

    Then they rush out and buy the things, then forget all about the claimed performance increase because they have their new shiny bit of gear and they're happy.

    It's a very puzzling human trait

  12. #335
    Regular Member visor's Avatar
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    Never underestimate the power of hope.

  13. #336
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    http://www.yonex.com/nanoray 493 km/h! Nanoray z-speed

  14. #337
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    Quote Originally Posted by Rudy2009 View Post
    http://www.yonex.com/nanoray 493 km/h! Nanoray z-speed
    yes we know that

  15. #338
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    only completely true for pure wrist flick. how about full swing smash?
    Quote Originally Posted by randomuser View Post
    493 km/h is obviously yonex's marketing bs...
    how did they manage to get such a number? probably by using the high speed camera to track the velocity of the tip of the shuttle rather than the center of mass. once the shuttle has stabilized, the speed of the tip and the speed of the center of mass are equal, but before that happens, there is a lot of room for fudge factors


    actually it's the moment of inertia about the handle of the racket that matters the most.
    the balance point and total weight determine how the racket feels when you hold it, but the swing speed is determined by the moment of inertia about the handle.

  16. #339
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    i dont hav any racket after the vt70. tis coming thingy they claim fastest. and the 2u spcs after such a long the light racket season really tempting
    Quote Originally Posted by Maklike Tier View Post
    Sometimes I think I will never understand people. Yonex always makes these claims and not even the pros can translate them onto the court in an actual match, and yet even though people say they also don't believe the claims have any real world benefit, they still - in the back of their minds - think it will.

    Then they rush out and buy the things, then forget all about the claimed performance increase because they have their new shiny bit of gear and they're happy.

    It's a very puzzling human trait

  17. #340
    Regular Member j4ckie's Avatar
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    Quote Originally Posted by randomuser View Post
    actually it's the moment of inertia about the handle of the racket that matters the most.
    the balance point and total weight determine how the racket feels when you hold it, but the swing speed is determined by the moment of inertia about the handle.

    That's pretty much exactly what I said....when holding the racket still, you notice the moment relative to your hand, when swinging it, you feel the moment of inertia. Not sure what your point is.
    Swing speed is influenced by quite a few factors, the m.o.i. being just one of them.

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