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Tag: wheel

  • Bentley Develops 22-Inch Carbon Fibre Wheel For The Bentayga

    Bentley Develops 22-Inch Carbon Fibre Wheel For The Bentayga

    After years of development with leading composite suppliers, Bentley has announced a new carbon fiber wheel developed specifically for the Bentayga. The 22-inch carbon wheel, engineered with renowned specialists Bucci Composites, is to be the largest carbon wheel in production in the world and offers a vast range of benefits beyond the initial 6 kg improvement in unsprung mass per wheel.

    The new carbon wheel has been subjected to the exceptionally rigorous TUV (Technischer Uberwachungsverei – Technical Inspection Association) standards and is the first carbon wheel ever produced to pass all tests. The newly developed rim has undergone the most rigorous testing for non-metallic wheels according to the new TUV standards including biaxial stress testing, radial and lateral impact testing for simulating potholes and cobblestones, tire overpressure, and excessive torque tests exceeding the permitted limits.

    One of the most severe tests of the TUV requirements – the impact test – has shown how the carbon rim is extremely safe in addition to the performance benefits. After a severe impact that would crack or shatter an aluminum wheel, causing the tire to collapse explosively, the carbon fiber rim allows a slow tire deflation thanks to the intelligent layering of fiber weaves, allowing the vehicle to come to a controlled, safe stop. For the final sign-off stage, the wheel was put through its paces on one of the most famous tracks in the world – the Nurburgring Nordschleife and it passed that test with flying colors.

    The new wheel will be available to order from later this year

  • Michelin’s Airless Wheel Which Does Not Puncture To Enter Production By 2024

    Michelin’s Airless Wheel Which Does Not Puncture To Enter Production By 2024

    Michelin and General Motors presented a new generation of airless wheel technology for passenger vehicles. It’s called the Uptis Prototype (or “Unique Punctureproof Tyre System”) – at the Movin’On Summit for sustainable mobility. The joint research agreement will see both the companies validate the Uptis Prototype with the goal of introducing the Uptis on passenger models as early as 2024. Michelin and GM are testing the Uptis Prototype, beginning with vehicles like the Chevrolet Bolt EV. Later this year, the companies will initiate real-world testing of Uptis on a test fleet of Bolt EV vehicles in Michigan.

    Michelin has been working at making airless tyres for the past five years now. The company showcased the Tweel concept in 2014 and an investment of $50 million has gone into the new plant for making it ready for commercial usage. The Uptis is a version of this and is airless. It completely eliminates the risk of flat tyres and blowouts.

    Florent Menegaux, chief executive officer for Michelin Group said, “Uptis demonstrates that Michelin’s vision for a future of sustainable mobility is clearly an achievable dream. Through work with strategic partners like GM, who share our ambitions for transforming mobility, we can seize the future today.”

    The Uptis Prototype is re-engineered for today’s passenger vehicles, and it is also well suited to emerging forms of mobility. The vehicles and fleets of tomorrow – whether autonomous, all electric, shared service or other applications – will demand near-zero maintenance from the tire to maximize their operating capabilities.

    The Uptis features a different architecture and composite materials, which enables the tyre to bear the car’s weight at road-going speeds. Approximately 200 million tyres worldwide are scrapped prematurely every year as a result of punctures, damage from road hazards or improper air pressure that causes uneven wear. These advancements through the Uptis Prototype demonstrate Michelin’s and GM’s shared commitment to delivering safer, more sustainable mobility solutions. Of course these tyres will be pricey but we wait to see how these tyres fair on production cars.

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