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Pirelli have released details of each driver's tyre selections for the upcoming Grand Prix in Italy, and the emphasis is very much on the supersoft. Oct 14, The BBC's face of Formula One, Jake Humphrey had a chance to sample the grip and performance offered by Yokohama tyres last weekend. Mit denselben Größen wie (/ vorn, / hinten) werden mit der F1-Reifenpalette neue Profile, Bauweisen und Mischungen.
Formula 1 Tyres VideoF1 Tyres Explained Three different grades of foam are used, depending on the ambient temperature. Any driver who uses a set of tyres of differing specifications during the race may not complete more than three laps on this set before changing them for a set of tyres of the same specification. When a car's rear end doesn't want to go around a corner and tries to overtake the front end as the driver turns in towards the apex. Or to find out more click here. Teams are free to use wet tyres as they see fit during qualifying and the race. Teams are free to use wet tyres as they see fit during qualifying and the race. When a driver moves off his grid position before the five red lights have been switched off to signal the start. Safety Car The course vehicle that is called from the pits to run in front of the leading car in the race in the event of a problem that requires the cars to be slowed. Bargeboard The piece of bodywork mounted vertically between the front wheels and the start of the sidepods to help smooth the airflow around the sides of the car. In combination with KERS, it is designed to boost overtaking.
All other drivers will be able to use the set that is saved for Q3 during the race. Teams are free to use wet tyres as they see fit during qualifying and the race.
However, during the preceding practice sessions, they may only be used if the track has been declared wet by the race director.
If a race is started behind the safety car due to heavy rain, the use of wet tyres is compulsory. All tyres are given a bar code at the start of the weekend so that the FIA can closely monitor their use and ensure that no team is breaking regulations.
Any driver who uses a set of tyres of differing specifications during the race may not complete more than three laps on this set before changing them for a set of tyres of the same specification.
A penalty will be imposed on any driver who does not change tyres within three laps. Read the full sporting regulations What the technical regulations say: Formula One cars must have four uncovered wheels, all made of the same metallic material, which must be one of two magnesium alloys specified by the FIA.
Front wheels must be between and mm wide, the rears between and mm. With tyres fitted the wheels must be no more than mm in diameter mm with wet-weather tyres.
Measurements are taken with tyres inflated to 1. Tyres may only be inflated with air or nitrogen. Teams are not allowed to modify the tyres in any way, nor are they allowed to treat them with solvents or softeners.
Tyre blankets are permitted, but they may only act upon the outer tyre surface. Wheels must be attached to the car with a single fastener.
The tyre guns used in pit stops to remove tyres may only be powered by compressed air or nitrogen. Any sensor systems may only act passively. In extremely wet weather, such as that seen in the European Grand Prix , the F1 cars are unable to keep up with the safety car in deep standing water due to the risk of aquaplaning.
In very wet races such as the Canadian Grand Prix , the tyres are unable to provide a safe race due to the amount of water, and so the race can be red flagged.
The race is either then stopped permanently, or suspended for any period of time until the cars can race safely again. In grooved tyres were introduced with three grooves in the front tyres and four grooves in the rear tyres.
Tyre changes were re-instated in , following the dramatic and highly political United States Grand Prix. For , Bridgestone became the sole tyre supplier in Formula One with the withdrawal of Michelin , and introduced four compounds of tyre, two of which are made available at each race.
The harder tyre referred to as the "prime" tyre is more durable but gives less grip, and the softer tyre referred to as the "option" tyre gives more grip but is less durable.
Both compounds have to be used by each car during a race and the softer tyre had a painted white stripe in the second groove to distinguish between compounds.
This was introduced after the first race of the season when confusion occurred because a small dot was put on the sidewall of the tyre, instead of the white stripe.
Upon the reintroduction of slicks in , the sidewalls of the softer tyres were painted green to indicate the difference in compound, as there were no longer any grooves in tyres.
Each team must use each specification during the race, unless wet or intermediate tyres are used during the race, in which case this rule no longer applies.
Slick tyres were reintroduced at the beginning of , along with aerodynamic changes intended to shift the balance towards mechanical grip in an attempt to increase overtaking.
On 2 November , Bridgestone announced their withdrawal from Formula One at the end of the season. In June , it was announced that Pirelli would be the sole tyre supplier for and would receive a three-year contract.
With the sole tyre supplier having been changed from Bridgestone to Pirelli, the rules were the same as the season rules concerning the tyres.
All teams still were required to use each type of dry tyre compound supplied in the race, and drivers that made it through to Q3 still had to use the same tyres they used to set their fastest qualifying time with to start the race.
However, the way of denoting different tyre specifications was changed. Rather than a green stripe denoting a softer compound, for each tyre specification, the lettering on the tyre would have a specific colour.
The hard compound would have silver lettering, the medium compound would have white lettering, the soft tyres would have yellow lettering and the super-soft tyres would have red lettering.
For the wet tyres, the intermediate tyres would have light blue lettering and the full wet tyres would have orange lettering. At the Malaysian Grand Prix , Pirelli introduced a coloured band around the outside of the tyre on the softer of the two dry compounds.
This was due to confusion during the first round of the season. This measure was said to be a stop gap, with a permanent solution due to be implemented at the first European race of the season.
The coloured line featured at the Chinese Grand Prix too. The prime tyre remained the same markings as previously, though later in the season had the sidewall updated with the new markings.
In new tyre rules were introduced. Pirelli will nominate 3 different compounds of slick tyres to bring to each race. Each team will have 13 sets of dry tyres for the race weekend.
Of the 13 sets, two sets of tyres are chosen by Pirelli to be reserved of the race. Additionally, one set of the softest compound will be set aside for Q3.
Teams are free to choose what they like for their 10 remaining sets from the three chosen compounds. Each driver must use at least two different dry weather compounds during the race including one set of the mandatory race tyres , and drivers who make it to Q3 must start the race with the tyres they set their fastest Q2 lap on.
Teams must inform the FIA eight weeks before the start of a European event and 15 weeks before a non-European race their tyre choices.
Pirelli introduced two new tyre compounds for the season, Hypersoft pink and Superhard orange. The Hard tyre is now ice blue. On Friday, 17 June , during the afternoon's practice session, Ralf Schumacher , who was driving for Toyota , crashed heavily in Turn 13 of the Indianapolis Motor Speedway road course, apparently as a result of a left-rear tyre failure.
Turn 13 on the Indianapolis Motor Speedway road course is a high-speed banked turn it is turn one of the oval run in the opposite direction , unique to Formula One racing, that causes a greater than usual lateral horizontal load.
The following day, Michelin reported that the tyres it had provided for its seven customer teams— BAR , McLaren , Red Bull , Renault , Toyota , Sauber , and Williams —were unsafe for extended high-speed use on this turn, and announced its intention to fly in another set of tyres from its Clermont-Ferrand headquarters.
In a letter to FIA Race Director Charlie Whiting , Michelin representatives Pierre Dupasquier and Nick Shorrock revealed that they did not know the cause of Schumacher's tyre failure, and unless the cars could be slowed down in Turn 13, Michelin's tyres would be unsafe and unsuitable for use during the race.
He also addressed several solutions which had been proposed by the teams, insisting that use of the tyres flown in overnight would result in penalties, and the placement of a chicane in the turn was "out of the question"—the race would not be sanctioned by the FIA making it a non-championship race if the track layout was changed.
He deemed the Michelin teams' proposals to be "grossly unfair" to the Bridgestone teams. The race then took place with only the three Bridgestone teams Ferrari , Jordan and Minardi taking part.