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GP Week : Issue 219
TECHNICAL 95 96 97 98 99 100 101 102 103 104 105 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 SECONDS lap RAIK RACE PACE ANALYSIS 95 96 97 98 99 100 101 102 103 104 105 1 4 7 10 13 16 19 22 25 28 31 34 37 40 43 46 49 52 55 SECONDS lap HAMIL. 95 96 97 98 99 100 101 102 103 104 105 1 4 7 10 13P 16 19 22 25 28 31 34 37 40 43 46 49 52 55 SECONDS GIRI ROSBERG sakhir’s main features are its rough tarmac, very demanding in terms of rear tyre wear, and its toughness on brakes, due to the frequent usage. Both these features easily affected the result of the race, and in particular the tyres showed how dramatic the tyre wear was in terms of affecting the lap times in each stint. We decided then to analyse the race pace of the two Mercedes and of the two Ferraris, so as to have a clear picture of the real pecking order between the two leading teams. In particular it was interesting being able to make a direct comparison of each driver’s stint, of course taking into account the tyre compound used in each period. This kind of comparison allows us to verify how each driver was affected in his race pace by the tyre wear, and effectively which compound, whether the Prime or the Option one, was the most efficient on the track. By efficient we don’t necessarily want to mean the faster – we mean the compound that allowed the relevant driver to show a consistent pace during each stint. It is interesting to note that the winner, Hamilton, was never the fastest driver on the track, irrespective of what compound was using. In particular, we can see that the use of Option tyres in the first two stints and Prime in the last one, allowed him to have a flat profile in terms of average time in each stint. That means that, considering the fact that the Option tyres were roughly two second faster than the Prime, having used them with full fuel load in the first stint, and with medium load in the second, balanced the potential increase in performance. So the time performance of the last stint, was instead negatively balanced by the use of the slower compound. In short, Hamilton maintained a sort-of steady pace, irrespective of temporary variations in each stint. His team mate Rosberg, instead, due to his fighting approach to the race and multiple fights with the Ferraris, instead delivered a very unsteady pace, with more peaky points both in positive and negative terms. He dramatically put his tyres and brakes under pressure, causing a huge wear ratio on both, visible especially at the end of each stint for the tyres, and at the very end of the race for the brakes. His team mate, seemingly suffered a brake-by-wire (BBW) problem too, but was able to put the system in default setting to avoid major drama in the last couple of laps. Focusing our attention on the two Ferraris, it appears clear that Vettel struggled throughout the race length with the tyres, irrespective of which compound he was using at that time. Compared to his team-mate, the German suffered huge tyre wear at the end of each stint – plus he worsened the situation by committing two mistakes, one in the first stint, and the second, the worst of the two after the second pit stop. His off-track excursion damaged his font wing imposing a further pit stop on him. Raikkonen instead was able to follow a very clever strategy chosen by the team, that split the two drivers’ strategies. In fact he mounted in the second stint a set of Prime tyres, that demonstrated more efficiency in terms of providing a steady pace, and reduced tyre wear as it is clearly visible in the graph. In the last stint, with low fuel, he took full advantage of the better performance of the Options, that allowed him to catch Rosberg in the last 10 laps and then setting after Hamilton in the last couple of laps. Ferrari here demonstrated a top performance, comparable to the Mercedes, showing again only a slight gap in terms of power output of the Power Unit, compared to Mercedes. The SF15T is definitely the only real threat to the W06 Hybrid, and it will be likely more sooner than later. The pace of the two cars should generate an intriguing head-to-head fight in every race this season, in my view. Barcelona, in three weeks time, could become a turning point of the Championship. TeCHNICAL Paolo FilisEtti Technical Editor 95 96 97 98 99 100 101 102 103 104 105 1 4 7 10 13 16 19 22 25 28 31P 34 37 40 43 46 49 52 55 SECONDS lap VETTEL ConsistEnCY thE KEY 27 GPWEEK.com // 27 GPWEEK.com // F1 >>> BAHRAIN PARTNERS: