After a year, Audi – Autó-Motor built a completely new off-road racing car

Even though Audi deemed the debut RS Q e-tron electric off-road racing car for the 2022 Dakar Rally a success, the engineers felt the need for optimization even then. They did not modify the existing construction, but built a completely new car – the machine did not get a new name, only the additional suffix E2, because they did not touch the technology (which is limited by the regulations).

While the wheels were previously hidden under the body, in the RS Q e-tron E2 they are already outside the body, but the passenger compartment has been widened – this structure enables a much better aerodynamic design, the 15% saving in consumption (range ) appears, as the maximum speed is set by the regulations at 170 km/h. In the regulations, the minimum weight was increased from 2 tons to 2.1 tons, but this still required the engineers to cut dozens of kg, and finally the target weight was achieved by lowering the center of mass.

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They did not touch the 2.0-liter turbo engine, which functions as a range extender, and the drive motors, but the operation of the power electronics was refined, when racing in the desert, it happened that a huge additional load appeared on the suddenly relieved wheel – this is what the engineers calculated, the technology can withstand -, the extent of this from now on It is controlled by FIA in 2 kJ, the finer operating regulator adapts to this. The operation of the additional systems – server support, air conditioning – was optimized based on experience, for example, a recurring error with the air conditioner was that the coolant froze due to the high cooling capacity.

The task of the driver and the navigator will be easier thanks to the mode selector, which here actually affects the indicators and digital menus, so Stage, i.e. speed, the cooling circuits and possibly prescribed speed limits are in the center, in Road mode the driver sees a classic instrument cluster with direction indicator indicators, in this case a reversing camera there is also On-board systems can be diagnosed in error mode, detailed information useful for engineers can also be displayed by selecting Settings. It is easier to change wheels on the Audi RS Q e-tron E2 because there is more space around the wheels, and the 10-spoke rim is also easier to grip with racing gloves.


Source: Autó-Motor by www.automotor.hu.

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