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29th August 2017, Stuttgart

Porsche first with braided carbon wheels

They are each made from some 18 kilometres of carbon fibre and cost over €15,000 a vehicle set – Porsche has become the world’s first vehicle manufacturer to offer lightweight wheels made from braided carbon fibre. They will be available from January 2018 as an option for the Porsche 911 Turbo S Exclusive Series.

Manufactured entirely from carbon fibre reinforced polymer (CFRP), the wheels essentially comprise two components. The wheel centre is made from carbon-fibre fabric. This involves cutting and assembling over 200 individual components.

Porsche 20-inch 911 Turbo Carbon Wheel for the 911 Turbo S Exclusive Series, 2017, Porsche AG. © Porsche AG

The second component is the rim base made from braided carbon fibre by what is currently the world’s largest carbon fibre braiding machine with a diameter of approximately nine metres. The wheel centre is then braided into the rim base. The assembled wheel is impregnated with resin and pre-hardened at high pressure and high temperatures. The finished wheel is hardened at high temperatures followed by a long cooling process. The central lock is then inserted into the finished wheel and the wheel is protected with clear lacquer.

Production of the rim of the wheel. © Porsche AG

Porsche says it is the first company in the global automotive industry to use this complex technology which offers key advantages over the more conventional methods of manufacturing pre-impregnated carbon-fibre fabric, making the material structure of the carbon considerably denser and more compact. This increases rigidity. Using the material more efficiently also produces less waste. The new carbon wheel is made from a total of 18 kilometres of carbon fibre or eight square metres of carbon-fibre fabric.

Production of the wheel centre. © Porsche AG

A set of the wheels weighs around 8.5 kilograms less than standard alloy wheels, which is a reduction of 20%. They are also 20% stronger. With a reduced unsprung weight, the tyres trail the surface of the road better and are perfectly optimised for absorbing longitudinal and lateral forces. Lower rotating masses mean more spontaneity both in acceleration and braking. The result is increased driving dynamics and driving pleasure.

The Porsche 911 Turbo S Exclusive Series. © Porsche AG

The new carbon wheels will be available as an option for the 911 Turbo S Exclusive Series in the dimensions of 9 J x 20 for the front axle and 11.5 J x 20 for the rear axle. In Germany, the price will be €15,232, including VAT.

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