F1 News: 2014 US GP Practice – Pirelli

Pirelli Logo2014 United States Grand Prix – Practice Sessions
VARIABLE TEMPERATURES EXPECTED FOR UNITED STATES GRAND PRIX WEEKEND
PERFORMANCE GAP OF 1.3 SECONDS BETWEEN MEDIUM AND SOFT TYRES
HAMILTON FASTEST ON BOTH COMPOUNDS IN FREE PRACTICE
Austin, October 31, 2014 – The Circuit of the Americas is all about variety: both in terms of the demands placed upon the tyres throughout the lap and the weather conditions expected during the course of each day, as well as the weekend as a whole.
Between the first and second free practice sessions, ambient and track temperatures rose by six and 16 degrees centigrade respectively. This important difference has a profound effect on the behaviour of the P Zero White medium and P Zero Yellow soft compounds that have been nominated for Austin. This is a step softer than the medium and hard tyres that have been used during both previous occasions that the United States Grand Prix has been run at the Circuit of the Americas.
Weather conditions tomorrow are expected to be much cooler than they were today, with a high of just 19 degrees centigrade forecast.
So far, there is a performance gap of approximately 1.3 seconds between the two compounds, on one of the longer circuits of this year’s grand prix calendar. In the afternoon session, wear and degradation was higher than it was in the morning, meaning that teams will have to take a flexible approach to strategy, with the correct tactics providing an opportunity to gain track position.
Mercedes driver Lewis Hamilton was quickest during both free practice sessions today, using the medium tyre to set his best time in the morning and the soft to go fastest in the afternoon, with a benchmark time of 1m39.085s; just 0.003 seconds faster than his team mate.
Paul Hembery: “In the three years that we have been racing at Austin, the track has definitely evolved to provide more grip – and we saw further track evolution during the course of today, exacerbated by the wide variety of temperatures that we were running in. We’re expecting a similar variation in temperatures for the rest of the weekend, including conditions that might be a lot cooler for qualifying tomorrow. From what we can see so far a two-stop strategy looks to be the most likely, but also with the potential for some mixed strategies going down the grid, depending on track position. ”
FP1: FP2:
1. Hamilton 1m39.941s Medium new 1. Hamilton 1m39.085s Soft new
2. Rosberg 1m40.233s Medium used 2. Rosberg 1m39.088s Soft new
3. Button 1m40.319s Medium used 3. Alonso 1m40.189s Soft new
Tyre statistics of the day:
Medium Soft Intermediate*** Wet
kms driven * 3908 1653 44 0
sets used overall ** 54 19 7 0
highest number of laps ** 28 24 2 0
* The above number gives the total amount of kilometres driven in FP1 and FP2 today, all drivers combined.
** Per compound, all drivers combined.
***Seven drivers completed installation laps in FP1 using the intermediates, due to slightly damp conditions.
Pirelli facts of the day:
Pirelli’s headquarters in the United States is in Rome…but there is not a colosseum in sight, as we are talking about Rome, Georgia. The American branch of the Italian firm celebrated its first decade in Rome (Georgia) last year, but Pirelli has been manufacturing tyres in the United States since 1988. All of Pirelli’s range of premium tyres, including P Zero and Cinturato, are made in the United States for the domestic market.

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