Pirelli: Tyre strategy the key at British GP

Jul.8 (Pirelli Press Release) Red Bull driver Mark Webber has taken his second win of the season at the British Grand Prix, following an intense battle with Ferrari’s Fernando Alonso in the closing laps that centred around tyre strategy. Webber now closes up to Alonso in the title rankings, who continues to lead one of the closest championships on record. Webber also joins Alonso in becoming the second two-time winner this season.

Alonso qualified on pole and started on the P Zero Silver hard tyre, whereas Webber was second on the grid and started on the P Zero Yellow soft tyre. Webber completed one stint on the soft compound and then two stints on the hard tyre, using the durability of the P Zero Silver to catch and pass Alonso with four laps to go. Alonso’s final stint was on the soft tyre after completing two stints on the harder compound.

With so little dry running before the race start, teams had very limited information about the behaviour of the hard and soft tyres at Silverstone, as they had only been used briefly during the final free practice session on Saturday. The race started with track temperatures of 31 degrees centigrade, in contrast to the rain and asphalt temperatures of approximately 15 degrees centigrade that characterised Friday and Saturday. The bad weather though meant that most drivers had their full allocation of slick tyres in pristine condition before the start of the 52-lap race, with only Webber putting on a used set of hard tyres for his final stint.

The top 10 on the grid all started on the P Zero Yellow soft tyre apart from Alonso and McLaren’s Lewis Hamilton, with a huge variety of start tyre choices in evidence. Webber and Alonso made their first stop for hard tyres on laps 14 and 15 respectively (Webber’s first set and Alonso’s second set) but such was Alonso’s early advantage that he was able to make his second and final stop for the softs with 15 laps to go, without losing the lead. However, Webber was able to overhaul Alonso after a thrilling battle in the closing stages of the grand prix.

Pirelli’s motorsport director Paul Hembery commented: “After a wet weekend so far, it was great to see the sun shining for the start of the British Grand Prix and a fully dry race. But this presented its own challenges for the teams, as they had very little information on which to base their strategies. With no rubber having been laid down on the track during Friday and Saturday, the track also evolved notably during the race. Everyone had their own thinking on the best way forward, which was reflected in the huge variety of start tyre choices, with most drivers having an ample selection of unused slicks at their disposal. Mark Webber and Red Bull chose tactics that paid off brilliantly. Like everybody else, we’ve been hugely impressed by the dedication and commitment of the fans this weekend, who have endured some extremely arduous circumstances, but were finally rewarded with another great race.”

Pit stop summary – 2012 British Grand Prix

Webber: SN HN (14) HU (33) 2
Alonso: HN HN (15) SN (37) 2
Vettel: SN HN (10) HN (31) 2
Massa: SN HN (13) HN (35) 2
Räikkönen: SN HN (13) HN (34) 2
Grosjean: SN HN (2) HN (26) 2
Schumacher: SN HN (12) HN (34) 2
Hamilton: HN SN (21) HN (28) 2
Senna: SN HN (14) HN (30) 2
Button: HN SN (16) HN (31) 2
Kobayashi: HN HN (16) SN (37) 2
Hülkenberg: HN HN (16) SN (35) 2
Ricciardo: HN SN (16) HN (29) 2
Vergne: SN HN (14) HN (32) 2
Rosberg: HN HN (15) SN (37) 2
Maldonado: SN HN (11) HN (12) 2
Kovalainen: SN HN (12) HN (29) 2
Glock: HN HN (18) SN (38) 2
Pic: SN HN (13) HN (32) 2
De La Rosa: HN SN (27) 1
Kartikeyan: HN HN (16) SN (35) 2
Perez: SN HN (11) 1 NC
Di Resta: SN HN (1) 1 NC
Petrov: NS

The first column denotes the tyres the driver started the race on.

S = Soft compound
H = Hard compound
N = New compound
U = Used compound

NC = Not classified
NS = Not started

The last column gives the total amount of pit stops.

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