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Mercedes-AMG Petronas has concerns over 2021 tyres

Mercedes-AMG Petronas technical director, James Allison has expressed the F1 Team’s concerns about the tyres being introduced in 2021.

He says that while Mercedes are happy with the mechanical platform of its car, this year’s new tyre has “came as a bit of a surprise”.

Speaking to Auto Motor und Sport, Allison said: “We had some clues about this tyre at Portimao, but since it was a blind test on a completely new track, it wasn’t very illuminating.

“We got better information in the last two races. We will use the data to learn whether the tyre fits our mechanical and aerodynamic platform as well as it did before.

“We won’t have wind tunnel tyres for a while. Then we don’t yet know how close the first set of these wind tunnel tyres is to reality. Usually, there are still differences at the beginning.

“The second concern is how the new aerodynamic rules will play out. These aerodynamic changes are pretty big, so big that we can’t assume that our platform will automatically continue to work this well.”

Due to Covid-19, F1 teams were unable to develop its cars a much as planned, as Allison explained: “Due to the lockdown, we lost seven weeks of wind tunnel work. A season usually lasts 35 weeks. So we had a fifth less time.

“Our last aerodynamic development was completed in mid-July, one and a half months earlier than usual. The last upgrade came to the car in Spa.

“We brought a total of three upgrades. In Austria, Silverstone and the smallest in Spa.”