Audi. Friday , October 13th , 2017 - 02:28:09 AM
Hot-formed parts form the high-strength, crash-safe backbone of the occupant cell. They reinforce the transition from the front body to the interior, the front zone of the roof frame, the B-pillars, side sills and parts of the floor. The proportion of these parts in the body structure is 17 percent. A carbon roof with visible fiber structure is also available as an option, delivering a further weight saving of 3 kilograms (6.6 lb).
As an alternative to the further-developed electromechanical power steering, Audi also offers dynamic steering with RS-specific tuning. This uses a superposition gear to vary its ratio by up to 100 percent, depending on the car‘s speed and the mode selected in the Audi drive select dynamic handling system. At the cornering limits, the system countersteers with tiny impulses, thus further boosting the dynamism and driving safety. In the dynamic setting within Audi drive select, the superposition of the dynamic steering is stiff in order to support a more sporty driving style.
The front strut domes are made of highly integrated cast aluminum parts. Compared to sheet steel components made of many individual parts that are welded together, they are eight kilograms (17.6 lb) lighter. This construction allows a very stiff connection between the upper links and the body for the best-possible steering response - optimal conditions for dynamic handling.
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