Motorsport 2 years ago

F1: Brake issues hamper Grosjean's day

  • F1: Brake issues hamper Grosjean's day

    KUALA LUMPUR, MALAYSIA - OCTOBER 01: Romain Grosjean of France driving the (8) Haas F1 Team Haas-Ferrari VF-16 Ferrari 059/5 turbo on track during qualifying for the Malaysia Formula One Grand Prix at Sepang Circuit on October 1, 2016 in Kuala Lumpur, Malaysia. (Photo by Mark Thompson/Getty Images)

After the signature heat and humidity of the last two grands prix in Singapore and Malaysia, preparation for the Japanese Grand Prix at the renowned Suzuka Circuit began under much cooler conditions. Friday’s two 90-minute practice outings were held under mostly cloudy skies, with the air temperature topping out at 24 degrees Celsius (75 degrees Fahrenheit).

Romain Grosjean led the way for Haas F1 Team in FP1. His quick time of 1:35.688 around the 5.807-kilometer (3.608-mile), 18-turn circuit was good for 14th fastest, and it came on his 15th lap during his second timed stint. Grosjean earned the mark riding on slightly used set of Pirelli P Zero White medium tires – the same set he had used for his installation lap at the start of FP1.

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Shortly after securing his fast lap, however, a brake issue resulted in a dramatic tire lock up and off-track excursion at turn nine. Grosjean was able to maneuver out of the gravel trap and bring his Haas VF-16 back to the garage with minimal damage. Quick work by the crew during the final 25 minutes of the session allowed Grosjean to make one final lap before time expired.

“First off, this is always a great track to drive. We have a lot of fun around here,” Romain said. “Clearly, we had some issues with the brakes today, which didn’t make our life easy, but eventually we worked our way around it. We still have a lot of work to do tonight trying to balance the car. It’s one of those tracks where the timing is very tight. Two tenths of a second can make a big difference. Let’s hope we find those.”

In comparison, teammate Esteban Gutiérrez’s FP1 session was more straightforward. He ran the White medium tires exclusively and secured his best time, a 1:36.219, on his 14th lap to earn the 17th fastest time.

FP2 started with Grosjean and Gutiérrez completing baseline runs in their respective racecars. Gutiérrez ran seven laps on the White medium tires while Grosjean logged eight laps on the Pirelli P Zero Orange hard tires. With both drivers switching to new sets of the Pirelli P Zero Yellow soft tires for their qualifying simulations, lap times predictably dropped.

Grosjean set a quick time of 1:34.241 on his 11th lap of the session, good for 13th overall. Similarly, Gutiérrez recorded his fastest lap of the afternoon with a 1:34.643 on his 10th lap that placed him 17th overall. Gutiérrez only made one more lap after that quick time, as a problem with the turbo on his Haas VF-16 abruptly sidelined him prior to the Degner Curves with 50 minutes remaining.

Grosjean, meanwhile, concluded FP2 with a long-distance run, starting with a nine-lap tour on a used set of Orange hard tires. He pitted to swap those out for a used set of Yellow softs, logging 12 more laps through to the checkered flag.

Between the two sessions, Haas F1 Team ran a total of 82 laps – 50 by Grosjean and 32 by Gutiérrez.

 “It was quite a tricky day,” added Esteban Gutiérrez. “We’ve been trying to experiment a little bit, trying to find the best compromise in every area of the car. We now have a pretty good idea. We tested a few things so we can get ready for tomorrow. Unfortunately, we ended up with a failure in the afternoon, but this will not harm us in continuing our program for Saturday and our focus on qualifying.”

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