It seems to me that nanocarbon must be extremely expensive to produce. I can't imagine that it's feasible to put much in a badminton racquet. Is it more hype than reality? Does anyone know how much is in a high-end racquet, like a NanoSpeed 9000? Are there grades of nanocarbon? Is there such a thing as ultra-high modulus graphite vs. high-modulus graphite?
It's reality hyped up. Nanotechnology in badminton rackets is the real deal if applied properly. And yes, to your other questions.
No, it depends on if the real nano material is used. (Only very few of companies use real nano materials in their rackets while others are just using the name of "nano" for their sales) It's mixed into the carbon graphite. Are you refering the mix percentage or the nano power grade? Yes, you can do some searches on the old threads here.
How is that determined? How is that determined? I'm referring to the amount of "nanocarbon" in the racquet as well as the concentration.
Please check out the following link http://en.wikipedia.org/wiki/Carbon_nanotube 1) What is real CNT? I think Bulejeff means CNT is actually used in racquet. Many brand just name their racquet "Nano" as marketing scheme. 2) As far as I know, only Yonex and Wilson really use CNT in their badminton racquet. They use different method to produce CNT. 3) Also, the length of CNT is very important. Longer the CNT, More stiff and strength it has. However, CNT is hard to bend due to it's structure. I think that is the reason why Yonex NS racquet frame break easily. From my post before and info from winkipedia, CNT's tensile strength is 10X more than Vectran. It is also much stiffer than boron graphite. You only need to mix small amout (example 15%, I do not know Yonex's secreat formula) to get the strengh and stiffness of UHM graphite and make the racquet lighter. Mr. Superstition, I think you know what I just posted here and you also know that Yonex is not going to give out their manufacturing secreat to us. Have a nice week.
OK. I quoted some statements that seem especially relevant. These quotes support my suspicion that nanocarbon racquets are more myth than fact. How much can Yonex, even at $200 per racquet, afford to put into each one? Two tubes? Or Wilson, with their $80 Ncode 1 and their big tennis racquets? How do we know that there is nanocarbon in them? How much? One tube per racquet? In Science, what can't be observed can't be proven. Until someone dissects a Yonex racquet and a Wilson racquet and looks at them with the proper equipment and finds nanocarbon, I can assert that the racquets don't have it.
Maybe there is no such thing as a real nano racquet. Ever heard of carbon graphite racquets reinforced with resins and a minute amount of nano dust? It is still a nano racquet! I have toyed with a variation of this and put them in the 4 corners of the frame. They play very good but do not measure well at all, due to the discontinuity or non-homogeneity of the 4 nano sections in the frame structure. They are also not cheap because of the hype. I have two prototypes, one was given away to my son, and the other is gathering dust.
If you are not familiar with racket manufacture process and business marketing, you will not get what we are saying here. If you are looking for the hard answer on "how much material", just give Yonex a call and see if they can tell you.
I'm not sure that the Fullerene (C60) molecules are further polymerized into "tube" structures filled between graphite fibres of Yonex Nano racquet. But I'm sure Mizuno's GP-7, GP-9 and GP-10 racquets are claimed to be containing "Carbon Nanotubes".
I don't understand how you can say that only Yonex and Wilson use CNT in their racquets. Unless you have inside sources in those and other manufacturers. Nano-based racquets are not 100% CNT. Most racquets are made up with H.M. graphite glued with resin. It's this resin that is infused with CNT. How much CNT, I have no idea but I can tell you that Winex nano-based racquets are racquets made with H.M. graphite and CNT-infused resin. See this site, http://www.grafalloy.com/grafalloy/nanotech.asp for more information on how that works.
If you can't tell me how much is used, how can you say it's used at all? The number could be 0, after all.
Once it is used, it can't be 0. And no producers will give the plot of their rackets unless you are the plant which takes their OEM orders.
It's OK, people like to guess, it's human nature. When time goes by, many guesses become myths. We all have heard people saying "You know what?, I have heard people saying someone might be doing somthing....." and it can't be helped.
I like this. Yonex said that they use Nanotechnologies in their racquets, our fellow poster jumps on the bandwagon. Others says Nano, he goes "Prove it" or it's "you're lying". Hey, maybe the Winex racquets are not made from graphite but some other material instead. Maybe it's just all baloney. I would suggest that if you think a manufacturer is misleading the public, then it's a simple matter of filing a complaint with the consumer protection folks so that these manufacturers can be held accountable for consumer fraud. Tell you what, once I get a broken Winex Nano racquet back, I will do a cross section and you can tell me what CNT looks like and we will see what's under the coat. Right now, Winex has Ti-mesh racquets, can I show you that instead?
This is getting ridiculous. I believe such information is more like a secret to a company, and should not be released to general public. It's the same as any patterns, which is protected by the law. Put this way, should we ask you to publish your birth certificate/passport/address proof, to prove u actually live in US? Or, tell us ur SSN# / birthday to check your credit history??? Of course NO, because it's none of our business, and it's ur right of privacy.
It's not ridiculous at all. In Science, what can't be observed can't be proven. Why should a buyer rely on the word of a manufacturer? Does Yonex or anyone else specify how much nano material is used in each racquet model? Since Yonex wants over $200 (US) for its nanospeed racquets, buyers should, in my view, be able to know what they're paying for.
