Audi. Saturday , November 04th , 2017 - 12:30:56 PM
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.
The new Audi RS5 Coupe demonstrates its sporty character as a gran turismo at first glance. The designers drew inspiration for the car from the distinctive motorsport details of the Audi 90 quattro IMSA GTO. The front, sides and rear exhibit RS-typical differentiation. Measuring 4,723 millimeters (185.9 in) in length, the second generation of the Audi RS5 Coupe is 74 millimeters (2.9 in) longer than the predecessor model. The height is 1,360 millimeters (53.5 in) and thus 6 millimeters (0.2 in) lower than previously. At 1,861 millimeters (73.3 in), the vehicle’s width is almost the same as before.
An important component of the B-cycle combustion process is the central position of the injectors in the combustion chamber. In the area around the inlet valve, this makes possible a geometry which, in interaction with the inlet ports, allows for targeted mixing up of the gas charge. The common-rail system injects the fuel into the combustion chamber with 250 bar of pressure - the high injection pressure ensures a homogeneous spray pattern and consequently a uniform propagation of the flame front.
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