Press Room

Welcome to the Hankook press room, where you can access the latest news on Hankook and our industry.

Date 09/17/2013 Hits74,134

Category Motorsports

Option tire provides extra boost in Oschersleben

Oschersleben/Germany, 13th September 2013 - The tarmac of the 3.696-kilometre-long course in Oschersleben is quite kind to the surface of Hankook racing tires, partly because the track is actually one of the slowest in the most popular international touring car series. "The base-line slick Ventus Race already proved its good grip at last year's event here, demonstrating a high constancy and low level of drop-off. And this year will be no different," explains the Hankook's DTM racing engineer, Michael Eckert.

However, what presents a considerable challenge to the construction of the tires are the many long-radius bends, some of which continue for up to 180 degrees. In these turns, it is important that the cars adopt a good position to enable them to accelerate as fast as possible to enter the generally short straights that follow. What frequently happens then is that they hit the kerbs and drive over them. Michael Eckert:"often the drivers are driving a straight line through the chicane, which takes them over several high kerbstones. This places considerable strain on the structure of the tire, which is, however, designed to cope with such stresses."

Another stress factor arising from the twisting track is the high aerodynamic downforce of the cars, which is magnified still more by the mechanical grip of the tires. This leads to lost speed on the straights, which is, however, more than compensated for by the fast speeds in the bends. Both drivers and teams are called upon to show a sense of proportion, particularly with the Ventus Race Plus option tires from Hankook. "At a speed of 200 km/h, the aerodynamic downforce from all four wheels produces an extra 600 kg of stress in addition to the weight of the vehicle. And since the option tires are generally driven at a low air pressure, these forces act even more strongly on the tire structure than they do with the base-line slick. For this reason, it is important to stick to a certain safety margin compared to the Ventus Race," advises the Hankook's DTM racing engineer.

For Michael Eckert, the key to success with the soft Hankook tire is handling because the option tire enables considerably faster lap times than the base-line slick. However, considering the specific characteristics of the track at Oschersleben with its many narrow 180-degree bends and high levels of aerodynamic downforce from the cars, he does not expect such long stints as with other DTM courses. The Hankook racing engineer explained, "I expect that the option tires will enable a large number of fast laps before any significant drop-off effect becomes discernible here at Oschersleben. The teams who are able to find the right vehicle set-up with which to make optimum use of the Ventus Race Plus will be among those to land the front positions.


TOP

It is