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04-23-2009, 03:16 PM #35
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04-23-2009, 04:16 PM #36
I happened to see the designs & they are awesome. I would so buy it!!!!
Panda, you da man....
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04-23-2009, 06:09 PM #37
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04-23-2009, 08:31 PM #38
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04-23-2009, 08:33 PM #39
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04-23-2009, 09:41 PM #40
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04-23-2009, 10:42 PM #41
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04-23-2009, 10:54 PM #42
what is the cost of this racket??



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04-23-2009, 11:00 PM #43
i found the website for Toray. looks like Japanese fiber, good stuff.
http://www.torayusa.com/cfa/product.html
but i cannot find the exact matching model that you listed. there are M30G and M30C. but not GC. there is M46J but not 46T. there is also T1000G but no 1000T.
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04-23-2009, 11:05 PM #44
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04-24-2009, 12:13 AM #45
I believe these are standard modulus fiber (frame) and medium modulus fibers (shaft). These have great modulus strength (TS) but relatively poor tensile modulus (Youngs modulus or TM)).
Toray's nomenclature with M and low numbers like 30 to 40 are medium tensile modulus but high tensile strength, with low probably belonging to the standard modulus category. The T means high strength, the larger the number (T1000), but low or medium modulus.
However, you can overcome the lack of high youngs modulus, by using a box shape as well as very wide cross-section frames, to some extent. The flip side is a slower racquet because of increased air resistance in the swing direction of a racquet.
Try to get MJ65J extremely high youngs modulus carbon fiber from Toray directly and then get a manufacturer who is prepared to do some research to use this high-tech fiber. It has extremely high youngs modulus but only so-so tensile strength. Most racquet manufacturers do not buy MJ65 because of very high costs.
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04-24-2009, 02:10 AM #46
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04-24-2009, 10:58 AM #47
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04-24-2009, 11:04 AM #48
i was told that Yonex uses at high as M30 for their top of the line rackets.
the high end Jpsee i received as samples are M40 grade. they claim a M46 grade model is coming soon.
i wonder how Yonex can be using M30 graphite but at the same time claim it is High Modulus.
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04-24-2009, 02:29 PM #49
Well, it can be if you're talking reality, relative to other rackets, not in pure technical terms. I will explain...
...I've been told (within a reasonable cost) the strongest (able to take high tension) graphite for a frame is M30GC and the "best" graphite for the shaft is 46T aka 1000T.
In technical terms, they are not high or ultra high modulus, but they are high or ultra high relative to other badminton rackets. So, it's all relative.
Either that or Yonex figured the masses would not understand graphite. Maybe they should rename it strong or very strong modulus graphite.
Last edited by DinkAlot; 04-24-2009 at 02:33 PM.
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04-24-2009, 02:35 PM #50
I have no way to confirm or dispute what Kwun or Panda the Big Square Butt post till next time I visit the Evil Empire Palace... They sound OK to me at this point...
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04-24-2009, 02:45 PM #51
Disclaimer: Panda is no expert in the field of graphite nor racket design and manufacturing.
Panda just having fun.
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