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bolita
01-07-2005, 08:05 AM
I found this interesting<p>USA: Michelin Tweel combines wheel and tyre in one <br>07 Jan 2005 <br>Source: just-auto.com editorial team<br> <br> <br> <br>Michelin has released new details of its Tweel technology, the fusion of the tyre and the wheel.<p>Developed in the US at the company's technology centre in Greenville, the non-pneumatic Tweel is said to have the potential to transform the automotive, military, construction and personal mobility industries.<p>The heart of the Tweel is its simple looking hub and spoke design that replaces the need for air pressure while delivering performance previously only available from pneumatic tyres. The flexible spokes are fused with a flexible wheel that deforms to absorb shock and rebound with ease. Without the air needed by conventional tyres, Tweel is claimed to deliver pneumatic-like performance in weight-carrying capacity, ride comfort, and the ability to "envelope" road hazards.<p>Michelin has also found that it can tune Tweel performances independently of each other, which is a significant change from conventional tyres. This means that vertical stiffness (which primarily affects ride comfort) and lateral stiffness (which affects handling and cornering) can both be optimised, enabling new performances not possible for current inflated tyres.<p>The Tweel prototype, demonstrated on the Audi A4, is within 5% of the rolling resistance and mass levels of current pneumatic tyres. That translates to within 1% of the fuel economy of the standard production application. Additionally, Michelin has increased the lateral stiffness by a factor of five, making the prototype unusually responsive in its handling.<br> <br><IMG SRC="http://www.just-auto.com/images/news/jan05/0501michelin-tweel.jpg" BORDER="0">

Naga Royal Guard
01-07-2005, 03:39 PM
thats really wierd, but i hope to see an application of it ( somewhere )

taskbearer
01-08-2005, 02:22 AM
Weird, but Great stuff. Looks like the tire is about to make another technological...err...cultural leap. Umm..umm, What the hell are the other tire makers doing <IMG NAME="icon" SRC="http://www.germancarfans.com/images/forums/bangin.gif" BORDER="0"> Michelin happens to be the only company making all the technological revolution in tires throughout history. They first made radial tires a standard then came PAX, and now this, and probably later the suspension in wheel package. Just a thought.

Top Secret
01-08-2005, 05:46 AM
Facinating stuff there. But I don't think it will take off.<p>Isn't Michelin also hoping to develop a 'no-air' tyre in the near future?

syclone
01-08-2005, 12:39 PM
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>Top Secret</b> &raquo;</i></TD></TR><TR><TD CLASS="quote">Facinating stuff there. But I don't think it will take off.<p>Isn't Michelin also hoping to develop a 'no-air' tyre in the near future?</TD></TR></TABLE><p>This one doesn't use air... do you mean a more conventional tire that doesn't use air?

taskbearer
01-08-2005, 11:01 PM
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>Top Secret</b> &raquo;</i></TD></TR><TR><TD CLASS="quote">Facinating stuff there. But I don't think it will take off.<p>Isn't Michelin also hoping to develop a 'no-air' tyre in the near future?</TD></TR></TABLE><p>The Tweel is that "no-air" tire<p>Trust me, this is Michelin. They would do anything in their power to make this work. Afterall they convinced the whole tire making society to drop any of their runflat programs and make Michelin PAX the international standard. <p>The possibilities of this tire are just so great. Imagine you'd have runflat capability without the unsprung weight penalty and you never have to worry about tire pressure. This tire like hybrids would become the future standard in about a decade. <BR><BR>
<i>Modified by taskbearer at 10:16 PM 1/8/2005</i>

Reppu
01-10-2005, 12:03 AM
I'm sure they can introduce this technology under the external shape of a conventional tyre. Then people would not hesitate a lot i think. Even with tyres, the looks matters.

Bluesman
01-10-2005, 06:15 AM
I'm sure they could build this to look just like a regular tire, they probably have the side wall open to show product. Besides, getting this thing full of gravel, snow, etc, probably would be hell on wheel balance and ride! It's gotta be enclosed.

syclone
01-13-2005, 07:19 PM
they also have to compress it some to accomodate some of today's maniacally huge brake rotors.

zwei Biere bitte
01-13-2005, 08:00 PM
So what happens if someone comes alone with some wire cutters? <IMG NAME="icon" SRC="http://www.germancarfans.com/images/forums/1zhelp.gif" BORDER="0">

Reppu
01-14-2005, 12:17 AM
t will happen the same thing it happens today if someone comes with a knife...

syclone
01-14-2005, 11:41 AM
<IMG NAME="icon" SRC="http://www.germancarfans.com/images/forums/laugh2.gif" BORDER="0">

kevinb120
01-14-2005, 07:55 PM
Now you can bling bling the entire wheel and tire in chrome <IMG NAME="icon" SRC="http://www.germancarfans.com/images/forums/suave.gif" BORDER="0">