Formula 1’s official tyre supplier Pirelli has decided against limiting drivers’ stint lengths this weekend despite the failures seen in Sunday’s race at Silverstone.Lewis Hamilton, Valtteri Bottas and Carlos Sainz Jnr all suffered similar failures of their front-left tyres in the closing stages of the previous round.
F1 is racing at the same venue this weekend but in hotter conditions and with softer tyres. Pirelli has imposed new operating limits on the teams in a bid to prevent further failures.
But despite stating stint lengths were a contributing factor in the failures seen last week, Pirelli has opted not to restrict teams’ mileage on its tyres this weekend.
“The reason why we decided not to impose mileage limitations to the teams is that each car is different, each driver is different,” said Pirelli’s head of motorsport Mario Isola. “And one of the important things in Formula 1 now for the show is the possibility for the teams to plan different strategies.
“If we have to suggest or define limitations in the number of laps for each compound it means that we bring all the teams towards planning the same strategy. That is not in the target for the show.
“What we did is to give clear information to teams from our engineers in order to make them aware of our findings, the result of the analysis and useful information to make their plans for this weekend. But not to limit the number of laps.”
The softer compounds Pirelli has brought this weekend will prompt most teams to pit twice, and potentially even three times, says Isola.
“I believe that that two-stop strategy will be the baseline for this weekend because looking at the average numbers, it is what we found, especially during second practice. But each one can decide if they want to use a mix of hard, medium or soft, or maybe move even to a three-stop strategy.
“Three-stop on the paper is not the quickest solution. I believe it would be difficult to see a three-stop. But we can see a good number of permutations on the two-stop using all the three compounds and that is probably good for the show this weekend.
“Limiting the number [of laps would] mean that we are going to define the strategy that can be used by the teams.”
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