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  Audi R8 LMS
 

  Article Image gallery (9) Specifications  
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Country of origin:Germany
Produced from:2015 - 2018
Introduced at:2015 Geneva Motor Show
Predecessor:Audi R8 LMS Ultra
Successor:Audi R8 LMS Evo
Source:Company press release
Last updated:March 06, 2015
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Click here to download printer friendly versionAudi systematically leverages its lightweight design expertise in the new R8 LMS. Despite the additional weight resulting from the above innovations the base weight of the race car has been reduced from 1,250 to 1,225 kilograms. The intelligent material mix of aluminum in the Audi Space Frame (ASF), a structural CFRP component and the steel roll cage alone make the chassis about 30 kilograms lighter - now weighing 252 kilograms. At the same time, the torsional stiffness of the stressed frame has increased by 39 percent.

Although the material mix in a race car is more complex, Audi has managed to integrate the manufacturing process for production and race cars even more closely than before. In a new manufacturing facility at the Bollinger Hofe industrial park in Heilbronn, quattro GmbH produces both variants in combination. Although the race car, for example, is fitted with aluminum cast joints and a steel roll cage the racing chassis of the R8 LMS remains integrated in the basic production process up to and including the stages of roof assembly and cathodic dip painting (CDP), which is a form of priming. Following these production steps, the race cars are completed in Heilbronn-Biberach.

Audi uses production parts in the new R8 LMS whenever this makes sense in racing from a technical and economic point of view. For example, the V10 engine with 5.2 liters of displacement and a power output of up to 430 kW (585 hp) leaves the same line as the production unit. It remains nearly unchanged and, with a scheduled rebuild interval of 20,000 kilometers, stets standards in racing. The engineers use modified or completely new assemblies whenever this is required in racing by the regulations or by the clearly higher loads that occur in competitive conditions. The production ASF chassis, for instance, is modified whereas the completely new bodywork is made of CFRP. The suspensions now use wishbones strictly designed for racing for the first time and the six-speed transmission with paddle shifters is a completely new development as well. It is significantly lighter than its predecessor while its efficiency has increased because the previous drop gear system has been eliminated. The new MS 6.4 electronics include engine electronics, traction control and software for the electro-hydraulic gearshift. The powerful processor enables higher processing speeds that result in faster responses. A power box is another new feature. It replaces the traditional fuse box and makes it possible to define individual loads and scenarios.

The new aerodynamic concept of the Audi R8 LMS for the first time includes a fully lined underfloor and a conceptually integrated rear diffusor. As a result, the dimensions of the rear wing can be reduced without a corresponding increase of aerodynamic drag. The wheel wells, which are open rearwards via a larger cross-section, contribute to improved airflow. The airflow rate and cooling area of the radiator at the front have increased by ten percent to handle maximum outside air temperatures. In order to improve the race drivers' ability to concentrate on their tasks, fresh air circulation in the cockpit has been improved. At a speed of 200 km/h, the airflow rate is 250 liters per second. Audi has achieved these improvements despite the significantly higher constraints imposed on aerodynamics design by the 2016 regulations.

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  Article Image gallery (9) Specifications