Chinese Grand Prix 2015 – Practice

Weather: Mild and Dry
Air & Track Temperatures: 13 – 15 °C / 26 – 34 °C
Valtteri Bottas: FW37-03, PU106B Hybrid: 1:41.303 (9th)
Felipe Massa: FW37-02, PU106B Hybrid: 1:41.304 (10th)
Quickest Time: L. Hamilton

Weather: Mild and Dry
Air & Track Temperatures: 15 – 17 °C / 24 – 41 °C
Valtteri Bottas: FW37-03, PU106B Hybrid: 1:38.850 (7th)
Felipe Massa: FW37-02, PU106B Hybrid: 1:40.423 (17th)
Quickest Time: L. Hamilton

Objectives: Set-up work, aero evaluations and tyre work

Rob Smedley, Head of Performance Engineering: We completed the majority of our plan today, unfortunately we didn’t get all the data we would have liked to due to Felipe’s spin in the second session. The spin was caused by a rear wing stall which was easy to rectify so we were confident when sending Valtteri back out. The data and driver feedback from the new parts we have installed seem positive, but there is still more work to do to see where we are in comparison to our rivals ahead of qualifying and the race.

Valtteri Bottas: It was a normal Friday for us without any mistakes or unknowns. The updates we brought have worked, so we are a little quicker through the corners now, which is always positive. The temperature here suits us better than in Malaysia, so I think we can be strong in qualifying but we need to make sure we focus on the race and especially on the front left tyre graining.

Felipe Massa: The first session went to plan, but this afternoon we had a few issues with the rear wing. Under braking I lost all grip in the rear tyres and as a result the car spun which put me out for the rest of the session. We lost a lot of time, but the team made the changes to Valtteri’s rear wing so the same wouldn’t happen to him. We need to have a strong day tomorrow to set ourselves up well for the race.

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