Michelin’s airless car tyres could become a reality next year

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Michelin’s ‘Tweel’ non-pneumatic tyre is finally set to make its way from lawnmowers to passenger cars. The prospect of never having to repair or replace a punctured tyre on your car could be less than a year away.

French tyre giant Michelin is close to perfecting a car-friendly version of its Tweel airless radial tyre.
First revealed in 2005, the Tweel has a tread surface connected to a central hub via high-strength, flexible, poly-resin spokes that absorb bumps much like the air in a pneumatic tyre.

Produced in South Carolina, USA, the Tweel’s applications have been limited to low-speed, non-road-going vehicles such as golf carts, ride-on lawn mowers, ATVs and skid-steer loaders.

But, according to Roget, the technology now exists for faster, road-going versions of the Tweel, though other concerns have to be overcome in order for cars to start rolling them, such as ride comfort, noise, size, and excessive rolling resistance.

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