Romain Grosjean, Haas, Circuit of the Americas, 2019

Grosjean was “bloody slow” on the straight due to rear wing problem

2019 F1 season

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A problem with Romain Grosjean’s rear wing cost him half a second on the straight at the Circuit of the Americas, says the Haas driver.

Grosjean qualified 15th, three places and 0.179 seconds behind team mate Kevin Magnussen. He said he was disappointed with the result having been sixth in first practice before he suffered various setbacks.

“We have had a fair bit of issues during the weekend,” said Grosjean, whose problems began when he crashed during the second practice session.

“Yesterday afternoon we tried the updated package and it’s got big issue in the high-speed corners and basically, I lost the car for no reason. Just the rear downforce went. There’s nothing you can do.”

“The rear downforce decided to go,” Grosjean explained in response to a question from RaceFans after qualifying. “They can’t explain it. They say this package, we just don’t touch it any more.

“So obviously, [we] reverted back to FP1 and this morning we had a problem with the rear wing. I said the car doesn’t feel the same as it was in FP1. Then they could see on the data that we had a problem with the rear wing. So we had to change the rear wing, not take the risk.”

That further change compromised Grosjean in qualifying. “I had to run a very heavy rear wing in terms of drag,” he said. “It was about half a second on the straight compared to Kevin. Making up half a second in the corners is pretty tricky.”

Grosjean admitted he’d been hoping for better in the team’s home event. “All in all it’s a long season, it’s hard to keep your head up, and when [it’s] your home race and there’s nothing you can do, you’re bloody slow on the straight, it’s just painful.”

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Author information

Dieter Rencken
Dieter Rencken has held full FIA Formula 1 media accreditation since 2000, during which period he has reported from over 300 grands prix, plus...
Keith Collantine
Lifelong motor sport fan Keith set up RaceFans in 2005 - when it was originally called F1 Fanatic. Having previously worked as a motoring...

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2 comments on “Grosjean was “bloody slow” on the straight due to rear wing problem”

  1. While people don’t like him complaining, I think he is pretty good at explaining the difference between the cars. And when you look at the laps, it does appear that the areas he struggled with and had a disadvantage to Magnussen are correct. But he did look smoother out of the corners, so he also had some advantages. Hass really do seem to be trying all sorts with this car.

    I still do think that despite the criticism Grosjean gets, it could be his feedback about the car that makes him worth keeping.

  2. Remember the days back in Melbourne when it looked like Haas had the 4th fastest car in F1? On both Saturday and Sunday.

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