Video - 2011 Audi R8 5.2 fsi quattro R-tronic spider

2011 Audi R8 5.2 fsi quattro R-tronic spider

2011 san diego international auto show had this 2011 audi r8 5.2 fis quattro r-tronic spider. The production R8 5.2 FSI quattro is already a shining example of the Audi's lightweight construction philosophy. Its aluminum Audi Space Frame (ASF) body weighs only 210 kilograms (462.97 lb). The aluminum body panels are joined to the frame of extruded profiles and cast nodes by means of positive and friction connections. The engine frame is made of ultra lightweight magnesium. The ASF body is largely hand-built at the Neckarsulm plant in a complex manufacturing process. The extremely high strength of the body is the basis for the high-performance sports car's precise handling, and it also offers good vibration comfort and first-rate crash safety. Thanks to the ASF body, the production R8 5.2 FSI quattro weighs only 1625 kilograms (3582.51 lb) -- with quattro permanent all-wheel drive and optional R tronic transmission. This made it all the more difficult for the engineers to once again achieve substantial weight savings. They took an elaborate approach involving every aspect of the vehicle, and in the end the scales came to rest at 1525 kilograms (3362.05 lb). The windshield of the R8 GT is made of thinner glass; the bulkhead between the passenger cell and engine compartment, as well as the window in the rear hatch are made of strong, lightweight polycarbonate. These three modifications saved nine kilograms (19.84 lb). The fixed rear wing is good for an additional 1.2 ...

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• Audi

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