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  1. #256
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    You can call the speed record a marketing gimmick and most likely unachievable for most people. But this does show that Yonex continues to put effort on innovation over the years. I really can't say the same with any other company, small or big.

  2. #257
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    Quote Originally Posted by thinklabs View Post
    You can call the speed record a marketing gimmick and most likely unachievable for most people.
    yep it's definitely a marketing gimmick.

    cctv tested smash speeds with high speed cameras and found that fu haifeng hit 285 and an elite player hit 260, and a. video's somewhere on youtube.

    this study
    http://www.geocities.ws/lillers77/smashmech.pdf
    shows speeds up to 70m/s which is 252

    so probably the current radar guns are correct.
    Last edited by randomuser; 08-24-2013 at 09:18 PM.

  3. #258
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    Quote Originally Posted by randomuser View Post
    yep it's definitely a marketing gimmick.

    cctv tested smash speeds with high speed cameras and found that fu haifeng hit 285 and an elite player hit 260, and a. video's somewhere on youtube.

    this study
    http://www.geocities.ws/lillers77/smashmech.pdf
    shows speeds up to 70m/s which is 252

    so probably the current radar guns are correct.

    my theory for how they measured km/h is that they measured the maximum speed of the head of the shuttlecock before the shuttle enters a stable flight.
    so you think they measured the speed of the shuttles cork before it starts going straight? That speed wouldn't even be headed towards the opponents court but it wouldn't surprise me if that's how they did it.

  4. #259
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    How they measured the speed was already discussed in this thread somewhere so why waste time arguing about it?
    It's not the speed it hits the ground on the opponents side so it's really just a marketing number to sell you something unachievable!

  5. #260
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    Quote Originally Posted by thinklabs View Post
    You can call the speed record a marketing gimmick and most likely unachievable for most people. But this does show that Yonex continues to put effort on innovation over the years. I really can't say the same with any other company, small or big.
    I think Victor does put alot of effort in R&D. The Brave Sword series released back in 2008 was innovative in terms of the aero design and I believe they are the 1st manufacturer to use graphene in badminton racquet.

  6. #261
    Regular Member j4ckie's Avatar
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    Quote Originally Posted by Elisha View Post
    How they measured the speed was already discussed in this thread somewhere so why waste time arguing about it?
    It's not the speed it hits the ground on the opponents side so it's really just a marketing number to sell you something unachievable!
    Worse than that, even, it's not even the speed it has when it crosses the net. Radar guns track the shuttle during the flight as well but mostly get the speed of it over the first meter or so, the highspeed camera tracks the first few cm where air resistance hasn't slowed it down yet so much.
    Regarding that study - they only used a 120fps camera, I'm pretty certain the one used by Yonex has a framerate somewhere in the 1000s which allows for an earlier point of measurement.
    Not sure how the study calculated the speeds, my guess is that they counted how many frames it took the shuttle to cross a certain distance, most likely a meter - which would be very close to the measurements of radar guns.

  7. #262
    Regular Member Maklike Tier's Avatar
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    Okay okay, I'll revise my BP guess down to 295 but no lower

    Especially if you trust the usually completely wrong X-Y product matrix companies insist on doing - it looks in-between the Arc10 and Arc11.

  8. #263
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    However this is measured, the bottom line is whether it will help the likes of you and me hit harder. We may get a fraction increase in power if we're lucky. But when look over the last 30 years of racket development, being truthful there has been very little innovation that was made such an impact on the average player.
    Occasionally a racket is released that does something good. I'm not denying that. But, for all the innovation and marketing I should be hitting the shuttle 30% + better than i did years ago and that just isn't happening.
    I am looking forward to reviewing this racket when it is released in UK.
    Paul
    www.badminton-coach.co.uk

  9. #264
    Regular Member Maklike Tier's Avatar
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    That's because like me, you're 30% older, Paul.


  10. #265
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    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.
    Cool. Yea, I'm just using the Yonex Super Grap right now.

  11. #266
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    Quote Originally Posted by teoky View Post
    I think Victor does put alot of effort in R&D. The Brave Sword series released back in 2008 was innovative in terms of the aero design and I believe they are the 1st manufacturer to use graphene in badminton racquet.
    which essentially is graphite.. and tiny bits of it... probably epoxy bonded.. like all other carbon based racquets

    it is impossible for them to make large graphene sheets, make a racquet out of it and sell it to you at a cheap price.

    marketing as usual, just like yonex. wouldnt call it RND

  12. #267
    Regular Member visor's Avatar
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    Yep.

    And has anyone else noted that this time Yonex has not introduced any new material technology , only new physical improvements like compact frame, straighter grommet holes, and snap back zone.

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    Quote Originally Posted by visor View Post
    Yep.

    And has anyone else noted that this time Yonex has not introduced any new material technology , only new physical improvements like compact frame, straighter grommet holes, and snap back zone.
    they're using material from toray this time.. which is rather familiar to me since gosen generally uses material purely from toray (m40)

    i'm curious to the straight grommet holes and whether there is a real 11% increase in sweetspot as described...

    those snap back zone, and all that is pretty much similar to how resilient some of the gosen racquets feel to me, especially with hard hitting

  14. #269
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    The test ran by Yonex is unlikely to happen on court. Dash & smash.. you can get no chance to do this in real games.

  15. #270
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    Guys, we're all just speculating here...

    Whether it will improve your smashes, have a high BP or have a larger sweet spot... truth is, no one knows.

    Let's just wait for the reviews!

  16. #271
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    Well, I just watched Koo's XD IBL matches, his max smash speed was 255 kmh, so not much improvement I'd say.

  17. #272
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    sorry for ot.i would agree tat bs is a great innovation.personally, i feel pyhsical properties like hh, stiffness and head shape is much more imporfant than material.
    Quote Originally Posted by teoky View Post
    I think Victor does put alot of effort in R&D. The Brave Sword series released back in 2008 was innovative in terms of the aero design and I believe they are the 1st manufacturer to use graphene in badminton racquet.

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