Overtaking wheel-to-wheel on the track is a relatively rare thing in Formula One. On the tightest circuits, such Monaco and Hungary, the total number of overtaking moves in a race is often less than half-a-dozen. Therefore the standing-start acceleration burst down to the first corner will usually represent the best opportunity offered a driver all day of making up places. Aside from being one of the most exciting parts of the race it also has serious implications on strategy.
A two-stopping car with only half a tank of fuel weighs around 60kg less than a one-stopper filled to the brim, a difference of 10 per cent in its total weight. This weight difference has a huge effect on the car�s acceleration away from the start. Similarly, a car on soft compound tyres usually has the traction to accelerate better than one on a tougher-wearing harder option. At a track where the quickest fuelling strategy is delicately balanced between two stops and three, the decision might be swung by the desire to be quick away from the lights. Even at those races where it�s clear which of the stopping options is quicker, a team may still reduce the duration of the first stint in order to make the car light at the start and accept the penalty of below optimum timing of the pit stops. Ferrari drivers Michael Schumacher and Eddie Irvine beat the faster McLarens at Monaco in 1999 by doing just this.
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