Audi. Friday , October 13th , 2017 - 02:21:59 AM
The chain drive uses a new concept to reduce the drive power required: the crankshaft drives the balancer shaft via gears, with the shaft lying far down in the V of the cylinder banks. From here chains run to the four camshaft sprockets. These are trioval in shape, i.e. they have a slightly triangular shape, in order to compensate for peak forces. The balancer shaft rotates on roller bearings with particularly low levels of friction.
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 driver can select between the D and S modes and can use the special RS shift paddles on the steering wheel for manual gear changes. All commands are transmitted to the transmission electrically - by wire. The dynamic starting function controls starts with optimum traction. Using it, the Audi RS5 Coupe can unfold its full acceleration potential. Prerequisite: the ESC sport mode must be active and the selector lever must be in the S position.
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