With safety again in front
HYLO: High Yaw Lift Off
Two accidents induced the development of the HYLO at Audi Sport: Firstly, Augusto Farfus (BMW) at the Lausitzring in 2016, and secondly Gary Paffett (Mercedes) at the Norisring in 2017. Their DTM cars began lifting off of the ground after they started rotating at very high speeds. A third incident like this also occurred at Brands Hatch in 2019, which emphasises the purpose of a new security system like the HYLO.
At Brands Hatch, Pietro Fittipaldi’s Audi RS 5 DTM lost contact with the ground whilst the car was spinning during qualifying. The car flew backwards over the gravel into a tyre barrier. Fittipaldi’s fortune: The road was wet. Therefore, the pace at which the Brazilian spun was slower than usual. On dry tarmac and therefore at higher speed, his racing car would have experienced even more lift and would have lifted even higher.
Design and testing
The HYLO system consists of two panel components that are attached to the left and right rear wing supports. The cover plates, which are fitted by a frame, are made of carbon composite material.
The HYLO from Audi was tested on the racetrack for the first time at Jerez in December 2019. A model of the Audi RS 5 DTM specially designed for testing was exclusively equipped with the new system. The most important finding: the new add-on components actually have no influence on the conventional downforce, the balance and the air resistance values. “The system also proved to be performance-neutral in practice,” says HYLO project manager Axel Löffler. In June 2020, a vehicle from competitor BMW was also equipped with the HYLO for the first time during the DTM test at the Nürburgring.
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