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Pit stop strategy

There are two elements that are important when deciding on pit stop strategys: tyres and fuel load.

Sometimes, tyre consistency will dictate your pit strategy. For this reason, a tyre choice needs to be made at the start of a race meeting so that sets of tyres that you want to use during the race are not wasted in the practice or warmup sessions. Always check the engineer's advice at the start of the weekend.

The engineer will tell you the approximate length a tyre will last. Generally, the advice will be that the soft will last either 1/2 or 1/3 of the total race distance, and that the hard tyre should last the full distance.

In general, it is often advisable to stay out on the track longer than your competition. This is because you will be driving a fuel light car, where as your competitors will all be in freshly refulled heavier cars, probably lapping something like 1.5s a lap slower.

However - there are exceptions to this rule. Always remember the distance the tyre is designed to last. Push the limits too much, and try and stop too late in the race, and your tyre will go pop.

Apply these rules at your discression depending on your qualifying position. For example; there is little point heavy fueling your car so that you can stay out longer if you qualified on pole - your compeition will simply overtake your heavier car at the start.

Simalarly, there is no point low fuelling a car if you start at the back of the grid. Yes, the car may be faster, but you'll probably be held up in traffic and loose the advantage.


Document created by Rob List. Last updated 20 Aug 2006.

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