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Thread: Frames

  1. #35
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    wow, where did you read that 10% of frame is Ti? i got a Ti clone which look similar to ti-10 and Ti SP varieties. The circumference of the frame measure ~72 cm, the Ti strip measured 3.5 cm each X 2 = 7.0 cm, 7 divided by 72 =10%. So, Ti frame is cover by 10% Ti on area basis. That's marketing. If one goes spray paint their yonex racket all white, it would be 100% titanium That's one bragging rights

  2. #36
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    Angry

    Although Yonex don't make the "10% Ti" claim in print, it's standard procedure from sales reps and shops. But some brands even use this in their catalogs, such as Karakal! I'm not sure whether to laugh or cry...

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    Quote Originally Posted by kwun
    cooler. i think it is possible to tailor made a mould and draw titanium into the "U" shaped tubing for a frame. but forming the egg shape will require some work, probably cold formed. with my limited knowledge in machining and metallurgy, i am not sure how that's that can be done.

    i don't think any welding would be needed. remember all the aluminum frames (eg. cab8/9) had a T. i think similar thing will need to be done to the Ti frame. unless if there is a good way to bond carbon fiber and titanium together.

    Ti being so soft won't be useful for the shaft.

    but it would be very cool to have a complete Ti racket, a brushed silvery beast all the way from the handle cone to the whole frame. imagine the "OOooo...." and "Ahh..." you would get in the gym..

    one of these days. may be cooler you and i can meet up and work on it.
    well, the ultimate racquet i had in mind kinda came to life but in the form of golf club at the present time. Callaway, Yonex, Mizuro and plus couple others golf equip makers have married forged Ti and carbon fiber, a combinaton that i had in mind for the ultimate super cool badminton racquet. All Ti for pure strength and durability, merged with various graphite shaft (and handle) for offensive and defensive version. If done right with right craftmanship, no grommet is required, saving more weight. A all Ti version would be nice too but i dunno how Ti shaft will perform as a flexing member.

    Imagine, Ti frame wont break, even on clashes (to a point)
    Like golf, when a player improve, he only need to upgrade the shaft to any version of readied shaft to meet your exact performance needs. (For ex. good golfers rarely use factory shaft)
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    Last edited by cooler; 03-30-2004 at 06:09 PM.

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    Hey guys!

    How about the "Triple Thread" by Prince. As far as I could remember, it consists of Tungsten, copper and graphite?

    Any technical comparison? If it's technically making sense. I might consider to own and restring (cos most of them are low-end in terms of the retail price) a Prince racquet.

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    probably in small quantities of tungsten and copper, these materials are far too heavy to be used extensively.

    i wonder who's be the first to claim to have Platinum in their racket, surely it will be the priciest one in the market.

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    back to the titanium racket topic.

    i think a Ti shaft may work. Ti doesn't yield easily unlike other materials. as long as the tubing doesn't fold, it will provide some flex. the issue now is how to control the stiffness. too bad i don't have a old steel racket to compare, but steel is 2x stiffer than Ti and if we have the similar shaped shaft, we should be able to get a comparison.

    but then, there is nothing that says we cannot have an interchangeable Ti shaft like cooler mentioned. we can experiment with different commerically available Ti tubings. that should be a fun experiment.

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    Wow!!!

    I wonder how that would pan out??

    I mean interchangeable shaft on a badminton racquet??

    Perhaps that maybe the next step in evolution?

    It'll definitely help yonex rake in more $$$

    Back to the question of having a Ti shaft...
    I think if they designed the shape properly, such as in the case of the LeVeL line of badminton racquets, in the oval shape, it may not buckle or collapse or fold upon swing... LeVeL designed the shaft in a very interesting way... hmm... Cooler, do you think you could provide an illustration from what you can remember of the shaft? LOL I left my racquet back in Calgary.
    It was like a tapered oval shaped design, moving down to the handle.
    Given the fact that Ti may react differently than graphite when put under stress... would the properly moulding and shaping not yield a superior design, and ultimately better overall performance?

    I'm thinking that the cost factor is still the most major hinderance right now...
    I've noticed in the past few years, the racquet manufacturers are testing the waters in the upper echelons of pricing for equipment.
    It appears that people have been more than willing to pay for them, with the proliferation of internet, and information exchange, their marketing is as potent as ever, especially in the case of Yonex.

    Back in the old days, you had equipment like the Boron-2, or Boron 200, that retailed at places like Sport Chek for $300, and I've heard in some places as high as $400-$500... this line was obviously discontinued in many markets, but their shapes/designs were used in more affordable versions of the same/similar racquet.

    Could, the next step in racquet design be coming in the form of interchangeable shafts?? lol I like pondering things, this would certainly be an interesting subject to touch on.

    "Umm... someone stole my racquet head!!!"

    Or... "honey I lost my handle grip..."

    "have you seen my ti-hybrid muscle power, t-joint shaft anywhere?"
    LOL

    Now i'm just babbling

    -Kelvin

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    a couple of points.

    1. it is very difficult, thus lots and lots of labor to shape titanium. having some fancy shape will not be cost effective.

    2. not sure if i want to advocate interchangeable shaft. i pointed it out for experimental reasons and not for final product. interchangeable shaft to me sounds like extra weight and poor rigidity. 95grams isn't that much to play with..

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    Lots of valid points made. Where should i start? hehe

    Costs: look at calloway ERC fusion retailing at 625 USD, Yonex cyberstar power brid retails for 550 USD. Street price is about 80% of that. Since there are more baddy players than golfers and ti racket likely uses less ti material than these ti golf club, i think a ti racket can be made to sell for less than those exotic golf clubs.

    shaft: Of course it is nice to have a one piece ti racket but extra welds and wider flex range of graphite shaft makes ti shaft less feasible. Graphite shaft also transmit less vibration versus a metallic shaft. Yes, interchangibility will add cost and weight. Prolly leave this for later models Realistically all ti shaft can be use since blacken has an all steel shaft but i think carbon fiber shaft (with ti mesh or ultimum) would be more practical, less headache while perfecting a ti frame.

    kelvin, yonex prolly makes less money on ti racket because people wouldnt need to upgrade racket as often. Also, this is a very high price ticket item, a magnet for cloners and imitators.

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    Question

    so... what happened to this titanium raquet?
    did you guys actually make one?
    or... just forgot about it?

  11. #45
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    Lightbulb fullerene!

    if you have read any of my previous post, you will most likely come to the conclusion that im not much of a science whiz.

    that's why im posting this about the development of C60 and it's possible effects toward the future of badminton.

    i came to know about this when nobel prize winner Sir Harold Kroto came to give a talk in my uni last month

    he mentioned it being (can make cars) 20 to 30 times lighter than today. and said that at the moment we dont have the tech to produce large quantities of it (currently being developed?).

    so i looked up the web just to get more info and apparently it's also known as carbon fibres or fullerene.

    so my question to all you engineers/scientist/chemist/whatever, what is your take on the potential of this new material to our sport namely in terms of equipment like badminton racquets and shoes?

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    You can forget about it, buckyballs cost 100$/g

    Applications will be at microscopic level, ie nanotechnology, pharmaceuticals, coating, superconductor and quantum circuitry.

    i think he maybe using car as a reference point for strength comparion, not in real application. If he wasn't, then he has poor grip on reality & commercialism.
    Last edited by cooler; 07-13-2004 at 01:06 PM.

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    Quote Originally Posted by cooler
    You can forget about it, buckyballs cost 100$/g

    but perhaps the price will drop in the future. the current price may be due to the lack of supply. future supply may increase if a new production process is developed thus increasing supply to meet demand causing price to fall?

    just hoping

    http://www.dailyexpress.com.my/news.cfm?NewsID=27724

    here's a link to an article about his visit
    Last edited by jug8man; 07-13-2004 at 01:17 PM.

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    just hoping

    http://www.dailyexpress.com.my/news.cfm?NewsID=27724

    here's a link to an article about his visit
    -------------------------


    sorry, have to go for lunch

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    back.
    LOL, i got a good after lunch laugh from reading that article, 10% fact mix in with 90% hype, scare mongering and nonsense. This dude is a lab scientist, haven't been outside for a while. He need to get some fresh air and sunlight, and maybe own and operate a car. In Thomas Dolby song, He's Blinded By Science. Don't know where to start ripping apart his speech so i rather not.

    Bottom line: his buckyball ain't gonna solve mankind's woes. LOL
    One more bit: dreamer .NE. visionary
    Last edited by cooler; 07-13-2004 at 04:02 PM.

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    i kinda agree withi cooler. bucky tubes will likely to stay as exotic material for a while and when they do become popular, they will be more like the status of carbon fiber is today instead of say, Al.

    however, dream can be reality, and if there is no dream, there will not be progress.

    technology do evolve over the years. i remember visiting this old old grand house back in Pittsburgh. the inside of the house was decorated and lined with Aluminium. when asked, it was because at the time the house was built, Al was still a new material that was expensive to manufacture, it was worth more than gold then!

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    Quote Originally Posted by kwun
    technology do evolve over the years. i remember visiting this old old grand house back in Pittsburgh. the inside of the house was decorated and lined with Aluminium. when asked, it was because at the time the house was built, Al was still a new material that was expensive to manufacture, it was worth more than gold then!
    Actually before then, there's a crown in Germany made of Aluminium since at the time it was the most expensive metal in the world.

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