
There are a spate of rule changes for the 2011 Formula 1 season in order to “improve the show.” The most major changes are that Pirelli will return as an F1 tyre supplier for the first time since 1991, and the teams will be running the Kinetic Energy Recovery System (KERS). Read below for a more in-depth look at the rule changes for 2011:
Pirelli to supply F1 tyres
Pirelli have announced that they will supply tyres to the Formula One World Championship for a three-year period between 2011 and 2013, and that the new contract ensures that Pirelli will provide teams with six different types of tyre for the season: four slicks, with different compounds for various types of dry surfaces, one rain tyre for heavy rain, and one intermediate tyre for damp conditions or light rain.
Pirelli is also proud to announce that it will supply the GP2 World Series – the acknowledged stepping-stone to Formula One – for the three-year period between 2011-2013.
Read more: The history of tyres in Formula 1
The grid
From 2011, any driver whose best qualifying lap exceeds 107% of the fastest Q1 qualifying time will not be allowed to take part in the race. Under exceptional circumstances, however, which may include setting a suitable lap time in a free practice session, the stewards may permit the car to start the race. Should there be more than one driver accepted in this manner, the grid order will be determined by the stewards.
Driver adjustable bodywork
From 2011, adjustable bodywork may be activated by the driver at any time prior to the start of the race and, for the sole purpose of improving overtaking opportunities during the race, after the driver has completed two laps. The driver may only activate the adjustable bodywork in the race when he has been notified via the control electronics that it is enabled. It will only be enabled if the driver is less than one second behind another at any of the pre-determined positions around each circuit. The system will be disabled the first time the driver uses the brakes after the system has been activated. The FIA may, after consulting all the competitors, adjust the time proximity in order to ensure the purpose of the adjustable bodywork is met.
Aerodynamic influence
With the exception of the parts necessary for the driver adjustable bodywork, any car system, device or procedure which uses driver movement as a means of altering the aerodynamic characteristics of the car is prohibited from 2011.
Weight
From 2011, the minimum weight of the car has been increased so that it must not be less than 640 kg at all times during the event, in order to accommodate the KERS device which the teams will be running next year.








