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Author Topic: Pirelli Unveils New F1 Tires  (Read 1925 times)

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« on: January 25, 2012, 03:27:44 PM »

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Pirelli Unveils New F1 Tires
« on: January 25, 2012, 03:27:44 PM »
The key characteristics of the new tires are squarer profiles, increased grip and softer, more competitive compounds with consistent degradation.

As Pirelli gets the 2012 Formula One season underway, its second as sole supplier, the tiremaker presented its new range of tires for the 63rd FIA World Championship at the Yas Marina circuit in Abu Dhabi.



The key characteristics of the new tires – developed by Pirelli together with the teams in response to the latest aerodynamic regulations regarding blown exhausts – are: squarer profiles, increased grip, and softer, more competitive compounds with consistent degradation.

The tiremaker has changed all the slick tires, and introduced a modified version of the wet tire. Only the intermediate tire – the Cinturato Green – remains unaltered.

The objective for the 2012 tires is to “ensure entertaining races that remain unpredictable all the way up to the checkered flag, with two to three pit stops per race and a strong emphasis on team strategies,” according to Pirelli

“After the positive experience of last year, the teams asked us to continue providing tires with the characteristics that contributed to spectacular races in 2011 – and this is what we have done, optimizing the compounds and profiles in order to guarantee even better and more stable performance, combined with the deliberate degradation that characterized the P Zero range from 2011,” said Pirelli SpA chairman Marco Tronchetti Provera. “We’re expecting unpredictable races, with a wide range of strategies and a number of pit stops: all factors that both competitors and spectators greatly enjoyed last year. The development work on the new compounds took place throughout the 2011 season, thanks to the impressive learning curve and reaction times from our engineers, who are ready to continue those evolutions during the season ahead.”

Names, Colors and Changes
Innovations for 2012 include both new names and colors for the tires. The two wet weather compounds will adopt the Cinturato name and comprise the full wet tire, recognized by blue markings, and the intermediate tire, denoted by green markings. The four slick compounds, which will be continue to be called P Zero, maintain their colors from last year: silver for the hard, white for the medium, yellow for the soft and red for the supersoft. The tires from both the P Zero and Cinturato ranges will be more easily recognized by the public thanks to bigger markings on the sidewalls.

Dry weather tires, known as slicks, are characterized by a tread pattern that is devoid of blocks or channels, Pirelli said. They come in four compounds: supersoft, soft, medium and hard. The different compounds mean the tires are well-suited to a wide variety of circuits, according to the type of asphalt, the number and severity of the corners, and the top speed on the straights. This allows the teams to make use of an ample range of strategies.

P Zero Red, a supersoft for street circuits, is the only one out of four slicks to remain unchanged from the 2011 season.

The new soft P Zero Yellow offers greater thermal resistance to reduce the risk of blistering. The new soft tire is set to be one of the most frequent nominations in 2012, together with the new medium tire. This combination offers a great deal of flexibility and also a rapid warm-up time, Pirelli said.

The new P Zero White, the medium tire well-suited to all conditions, is intended as the “option” tire on tracks with high temperatures or abrasive surfaces and as the “prime” tire on tracks that are less severe with fewer demands on the tires.

The new P Zero Silver hard tire guarantees maximum durability and the least degradation, together with optimal resistance to the most extreme conditions, but is not as hard as the equivalent tire last year, Pirelli notes. The P Zero Silver is ideal for long runs, taking more time to warm up, as well as being suited to circuits with abrasive asphalt, big lateral forces and high temperatures.

Wet weather tires, characterized by grooves in the tread pattern, are split into two types: full wets and intermediates. Full wets can be recognized by the deep grooves in the tread pattern and sipes to drain off water on wet asphalt. The intermediates feature channels that are less deep and are designed for damp or slightly wet surfaces, as well as uncertain weather conditions.

The full wet Cinturato Blue is the only wet tire that has been significantly altered compared to the 2011 version. The changes relate to the rear tires, which use a different profile in order to optimize the dispersal of water in case of aquaplaning and guarantee a greater degree of driving precision, Pirelli explained. Characterized by deep grooves, similar to those seen on a road car tire, the wet tires are designed to expel more than 60 liters of water per second at a speed of 300 kph: six times more than a road car tire, which disperses about 10 liters per second at a much lower speed.

Cinturato Green, the intermediate for light rain, will not see any changes. The shallower grooves compared to the full wet tires mean that the intermediates do not drain away as much water, making this the ideal choice for wet or drying asphalt, without compromising on performance, the tiremaker added.
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