Pirelli admit they “underestimated” effect of tire swapping

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Pirelli’s motorsport director Paul Hembery has admitted that the Italian tire supplier underestimated the effect of allowing teams to undertake ‘tire swapping’ at the last race, believing that this was the biggest factor in causing the multiple failures at the British Grand Prix.

Lewis Hamilton, Felipe Massa, Jean-Eric Vergne, Sergio Perez and Esteban Gutierrez all suffered from blowouts during the race at Silverstone, triggering Pirelli to make changes for this weekend’s race. Hembery has admitted that it was a mistake by Pirelli which caused the madness to ensue.

“Just to recap, at Silverstone we’d underestimated the impact of swapping the tires,” Hembery said in the Friday press conference. “The cars were two, maybe three seconds quicker this year. Whilst we’d allowed the teams to do that, we’d underestimated the impact on the tire.”

Teams have been permitted to switch which side of the car they run the Pirelli tires on – i.e. using the front-left tire on the front-right of the car – and it has aided tire management, reducing wear in places. However, Hembery explained how this has caused a weakness in the tire which was evident at Silverstone.

“When you swap them around that creates a point with the metallic belt that we have on it, on the left hand side, the camber side, and that created the weakness.We got that wrong and we needed to get it right going forward.”

As a result, Pirelli have changed the structure of the tire, using a kevlar belt in the tire before reverting to the 2012 constructions for the Hungarian Grand Prix at the end of this month. The process of tire swapping has been banned for this weekend by the FIA following guidance from Pirelli.

Three-time W Series champ Jamie Chadwick joining Andretti in Indy NXT Series for 2023

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Jamie Chadwick, the three-time W Series champion, will drive for Andretti Autosport in the Indy NXT Series next season.

Chadwick will make her debut in an American racing series in March, driving the No. 28 for Andretti Autosport with sponsorship from DHL. The 24-year-old will become the first female driver in 13 years to compete full time in the Indy NXT championship.

Chadwick joined the female free-to-enter W Series in its inaugural 2019 season, winning two races and the first of three consecutive championships. She has been a reserve driver for the Williams Formula One team and will continue in that role in 2023. She also has driven in the Extreme E Series.

Despite her success, Chadwick hasn’t landed a bigger ride in F3 or F2, and her break didn’t come until Michael Andretti contacted her and offered a test in an Indy NXT car.

The final three races of this year’s W Series schedule were canceled when funding fell through, but Chadwick still believes the all-female series was the right path for her.

“W Series has always been and will continue to be an opportunity to be racing for every female driver, so for my side, I looked at it while perhaps I would have liked to step up maybe earlier, at the same time being able to have that chance to race, get that experience, have that development, seat time… I was constantly learning,” Chadwick told The Associated Press.

“In that sense, I wasn’t frustrated at all. But on the flip side of it, now I’ve had that experience testing in the United States in Indy NXT and this is something I’m really excited about.”

Chadwick also is expected to have an enhanced role as a development driver next season with Williams, which chose American driver Logan Sargeant to fill its open seat on next year’s F1 grid.

“Andretti Autosport is proud to be supporting Jamie alongside DHL,” said Michael Andretti. “Jamie’s successful career speaks for itself, but Indy NXT gives Jamie the opportunity to continue her development in a new type of racing.

“We’ve turned out five Indy NXT champions over the years and look forward to continuing our role in developing new talent.”

Indy NXT is the new name of the rebranded Indy Lights Series, the final step on the ladder system before IndyCar.

Andretti will field two drivers next season in IndyCar that were developed in Indy NXT: Kyle Kirkwood, the 2021 champion, will return to Andretti after one season in IndyCar driving for A.J. Foyt Racing, and Devlin DeFrancesco is back for a second season.

Chadwick will be teammates in Indy NXT with Hunter McElrea and Louis Foster. She becomes Andretti’s second full-time female driver alongside Catie Munnings, who competes for Andretti United in the Extreme E Series.