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Old 02-24-2011, 01:08 PM   #1
AVANTI R5
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Default How New Tire Technology Protects You on the Road




Quote:
If youíre looking for new tires for your vehicle, consider investing in a set that features the latest tire technology. New tire technology like self-inflating tires and lower rolling resistance design keeps you better protected on the road. It can also help you save money by improving your carís fuel economy and lengthening the time between tire replacements.

Self-inflating tire technology
Imagine a tire that doesnít require regular air pressure checks or need to be refilled with compressed air. This type of tire maintains a constant pressure over its lifetime and has already been developed. These new tires donít need a power source to maintain proper inflation Ė instead, air is forced through a special pump built into the tire as the wheel spins.
An underinflated tire can shred while the vehicle is being driven and increase the risk of an accident. Underinflated tires also wear more quickly and decrease fuelefficiency. Maintaining the right tire pressure with a self-inflating tire can help eliminate such risks.

Click through to read more.

No-air tire technology
Developers are also working on tires that donít contain air, but instead have injection-molded spokes.

Such tires, like the Tweel, feature a longer-lasting tread and can be retreaded so they never go flat. They also eliminate the need to haul a spare tire and offer improved handling to drivers. Manufacturers also benefit since no-air tires require fewer parts to assemble. While this new tire technology is still in its early stages of development, you can expect to see the new tires rolled out first on military vehicles and then consumer vehicles within the next 15-20 years.

Low rolling resistance tire technology
Several tire manufacturers are focusing their efforts on developing new tires with a low rolling resistance. This means thereís less friction between the tire and the road. This reduced friction also means your car doesnít have to work as hard to operate Ė leading to improved fuel efficiencies and increased savings for you. Many low rolling resistance tires offer these benefits without sacrificing performance, like traction on wet surfaces. Such tire technology has become standard on electric carmodels and industry experts expect this to grow in popularity throughout the automotive industry.

So if youíre in the market for new tires, consider taking advantage of the new tire technologies available to keep you safe on the road. Also, donít forget to protect your new tires and vehicle with reliable car insurance coverage. Get an online auto insurance quote to find affordable rates on the coverage that fits your needs.
http://www.egmcartech.com/2011/02/24...8egmCarTech%29
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Old 02-24-2011, 04:38 PM   #3
Hailwood
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Join Date: Jun 2004
Chapter/Region: MWSOC
Location: Akron, OH
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2011 WRX H4rtch
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Originally Posted by Hites View Post
The first two are interesting, but low rolling resistance tires are not something I'd be bragging about, especially if there selling point is "less friction between the tire and road". Anybody who has taken something as basic as high-school physics can tell you that's probably not a good thing when tires are the only part of your car touching the ground.
The improvements in tire rolling resistance technology may have been slightly mis-stated merely as 'friction between the tire and the road'.

Rolling resistance does have a friction component, but it's better to think about it as total energy loss from the cyclic stress-strain of all the rubber components while the tire is rolling, not just the portion that contacts the road (tread).

Tires contain multiple types of rubber compounds, and while you are correct that there are typically trade-offs for traction when rolling resistance is improved through tread compound alone, reducing the energy loss of other internal components can reduce total rolling loss while allowing the tread area to continue to generate traction.

A large portion of the materials research in the tire industry is looking for ways to improve the rolling resistance of these internal components while continuing to allow the use of higher traction tread compounds.
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