At the British Grand Prix, both Mercedes cars had problems with the left front tire due to the physical wear of the tires, and over the weekend, the tires of the two W11s were overheated.
Blistering tires are hard to make Mercedes give up like at the British Grand Prix, but it makes the W11 unable to fully exert its inherent strength. There are three reasons why Mercedes has problems that are completely different from the incidents that took place at the British Grand Prix.
First, Pirelli brought the F1 70’s Grand Prix to three types of tires one level softer than the British Grand Prix. In the previous race, drivers used soft-grade C1-C2-C3 tires, and over the weekend Pirelli provided tires C2-C3-C4.
The second reason is higher tire pressure. To avoid a mass tire explosion like last week, at Silverstone over the weekend, Pirelli adjusted a minimum tire pressure level of 27 psi with the front tire, 22 psi with the rear tire. At the British Grand Prix, the minimum pressure level is only 25 psi with the front tire, 21 psi with the rear tire.
Finally, the track temperature at the Grand Prix is 70 years higher. Race temperatures at Silverstone averaged 38 degrees Celsius, but over the weekend it was 43 degrees Celsius.
The harshness of the Silverstone track
Because of the harshness of the Silverstone track, Pirelli uses a one-level softer tire to steer the cars towards a 2-pit strategy, creating appeal and avoiding loss of safety. Pirelli’s plan has worked flawlessly. However, the use of softer tires makes them more susceptible to overheating.
So, on the same track, on August 2, two Mercedes riders can accelerate, chase and take turns to set up the fastest-lap, and on August 9, they have to limit the speed to bring the car to a safe destination.
The phenomenon of tire blistering appeared on August 2, but on a smaller scale and mainly occurs in the front tire. But the three reasons mentioned above appear at the same time that makes W11’s weaknesses manifest on a high-speed track and hot climate.