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Brazilian GP Preview 2011 BRAZILIAN GRAND PRIX Pirelli rounds off a remarkable debut season with two new tyres What’s the story? Milan, November 21, 2011 – After 18 races and 5488 kilometres so far, Pirelli will round off a remarkable season – characterised by the most overtaking in the 61-year history of the Formula One World Championship – at the iconic Interlagos circuit in Sao Paulo. It’s a venue that has produced plenty of dramatic races in the past, but now Pirelli is concentrating more on the future, with two new tyre compounds making their debut at the race. During Friday’s two free practice sessions, drivers will have two extra sets of an experimental hard tyre, which has already been tested by Lucas di Grassi and Pirelli’s Toyota TF109 car in private tests at Jerez and Barcelona this year. This tyre is considerably softer than the current hard. The results will be fed back to Pirelli’s engineers as they prepare for the 2012 season, just as was the case during the free practice sessions in Abu Dhabi, where an experimental soft tyre was tried out. For the race itself the P Zero Yellow soft and P Zero White medium tyres have been nominated. However, the soft tyre that has been nominated is another new compound, which was tested by the teams during the young driver test at Abu Dhabi last week and during Friday free practice at the Nurburgring. Interlagos is well known for its passionate fans, sweeping elevation changes and anti-clockwise layout. One of the key points of the circuit for both the drivers and the tyres is the final sequence of corners from turn 10 onwards, which effectively amounts to one very long left-hand bend – putting plenty of energy through the tyres and also the drivers’ necks. At this time of the year in Brazil, rain showers are a frequent occurrence, which are capable of turning the race on its head. As usual Pirelli will bring the P Zero Orange rain tyre and P Zero blue intermediate. Drivers are allowed a total of five sets of intermediates (if it rains on Friday, otherwise four sets) and three sets of rain tyres over the weekend under the current regulations. Pirelli’s motorsport director says: Paul Hembery: “Preparations for the 2012 season are well underway, so it will be really interesting to hear the thoughts of the drivers about the new hard and soft tyres that we will be trying out in Brazil. We’ve already collected plenty of information on the new soft tyre from the young driver test, so it will be useful to compare that to real race data. It’s important not to get too distracted by the names of the tyres though: what we’re calling a ‘soft’ for now could end up as a medium for next year, as that’s what the testing process is all about. In general, the tyres are going to be less conservative next year as the second half of this season has shown how well the teams have understood our product, allowing us to make some reasonably aggressive choices such as supersoft and soft for Korea. We’re delighted to be ending the season in Brazil: not only is it a legendary circuit with an amazing atmosphere but it is also a key market for Pirelli.” The men behind the steering wheel say: Bruno Senna (Lotus Renault): “Interlagos is a very challenging track, as it’s one of the few circuits in the season that runs anti-clockwise, as well as being narrower and bumpier than most tracks we race on nowadays. The rear tyres will get a lot of use, mainly due to the many heavy traction zones, big elevation changes, high asphalt temperatures and fairly high surface roughness. We know it will be a difficult weekend for us, as most of the corners are slow in nature and on most circuits with such profile we haven’t been particularly successful, but I believe we can finish the season on a high note and, hopefully score points. There is also, of course, the risk of weather instability, due to the close proximity to a dam, which will make the race that much more exciting.” Technical notes: A lap of Interlagos is 4.309 kilometres long and the race is scheduled to last for 71 laps. The track surface is notably bumpy, which makes it hard for the tyres to find traction and increases the physical demands on the drivers. Interlagos is another unfamiliar circuit for Pirelli, with several important factors that will only become apparent in race conditions. However, with a relative absence of high lateral loadings, apart from the final sector, Interlagos is not expected to be too demanding on the tyre structure. The wide variety of high and low speed corners, along with the big elevation changes and high altitude above sea level, mean that it is quite difficult to find the correct aerodynamic set-up and, once more, a good compromise is needed. The last sector of the lap is one of the most important when it comes to the eventual lap time, so this tends to get prioritised in terms of set-up. The tyre choices so far: PZero Red PZero Yellow PZero White PZero Silver Australia Soft Hard Malaysia Soft Hard China Soft Hard Turkey Soft Hard Spain Soft Hard Monaco Super Soft Soft Canada Super Soft Soft Europe Soft Medium Great Britain Soft Hard Germany Soft Medium Hungary Supersoft Soft Belgium Soft Medium Italy Soft Medium Singapore Supersoft Soft Japan Soft Medium Korea Supersoft Soft India Soft Hard Abu Dhabi Soft Medium Brazil Soft Medium Pirelli in Brazil: Brazil is one of the key markets for Pirelli. The company has five factories there (more than any other country in the world, including Italy): one for car tyres, another for car and truck, another for truck and agricultural, another for motorbikes and truck, and a final factory for steel cord. The rapidly-developing Latin American market is expected to account for a third of the Pirelli Group’s global profits by 2015. Pirelli is already the market leader in the region. Pirelli, which has been present in Brazil for more than 80 years, invested more than $300 million US dollars in its Brazilian facilities from 2008-2011. The company currently employs nearly 10,000 people countrywide. *** Copyright-free video news releases featuring interviews with Paul Hembery, as well as photographs and press releases are available for media use from: www.pirelli.com/f1pressarea (Login: PirelliPressArea - Password: PirelliMedia). Follow us on Twitter @ Pirelli_Media or Facebook on www.facebook.com/Pirelli. Please visit the Pirelli F1 blog at www.pirellif1blog.com. For further information please contact: Alexandra Schieren +33 607 03 69 03 [email protected] Anthony Peacock +44 7765 896 930 [email protected] *** Francescopaolo Tarallo +39 334 684 4307 [email protected] (Head of Product and Motorsport Communications) Pirelli Tyre Press Office Tel. +39 02 6442 4270 – [email protected] – www.pirelli.com THE BRAZILIAN GRAND PRIX FROM A TYRE POINT OF VIEW Interlagos, November 24, 2011 – Pirelli’s first season of Formula One after 20 years comes to an end at Interlagos: one of the shortest but most thrilling circuits on the calendar. Coming exactly eight months after the season started in Australia, this is the latest weekend of the year that the Formula One season has concluded since 1963. The 71-lap race in Brazil has several unusual features to it, such as an anti-clockwise layout, an uphill start-finish straight (which increases the risk of the anti-stall mechanism kicking in at the start) and varying elevation, making it a popular venue for road cycling races as well. Here are some of the key points of the Autodromo Jose Carlos Pace (as it is officially known) from a tyre point of view: The track: The start-finish straight is the highest part of a circuit, leading quickly downhill into the Senna Esses: a complex of corners where the stability of the car is vital, providing a good overtaking opportunity. Under full acceleration at 250kph the drivers tackle the Curva do Sol, which generates a sideways acceleration of 4G. This places a heavy demand on the tyre structure and compound throughout the corner. On the Reto Opposta straight the top speed is 310kph, on a bumpy surface that tends to destabilise the cars. The structure of the tyre absorbs the bumps in the track and neutralises the vertical movement of the chassis, meaning that the car is perfectly planted to the ground for the braking area and the following corner. After the straight there is a complex of slower corners, taken in second and third gear, where the drivers use the kerbs. Here there is little downforce and traction is crucial, meaning that the tyres have to generate the entire grip required to take the car through this complicated series of bends. Afterwards the track climbs back uphill towards the start finish straight in a series of increasingly fast left-hand corners, putting plenty of energy through the tyres. The final corner is crucial to get the correct drive onto the start-finish straight, by getting on the power as early as possible. Again, it’s down to the tyres to translate the torque from the engine into effective grip as soon as possible. The track is less bumpy than it used to be since being resurfaced in 2005. Pit stop strategy will be helped by the short time that it takes to make a stop: less than 20 seconds from start to finish.
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