Kevlar belt tyres for Germany, new tyres for Hungary

2013 German Grand Prix

Pirelli hard tyre, Silverstone, 2013Pirelli have confirmed they will use their prototype tyres for this weekend’s German Grand Prix following the series of failures seen at Silverstone.

F1’s official tyre supplier previously tried to introduce the revised constructions following the delaminations which occurred at the Spanish Grand Prix. But the move was blocked by Ferrari, Lotus and Force India, who claimed the change would make it harder for them to be competitive.

The tyres, which use Kevlar belts instead of steel ones, have been tested by the teams during practice at the last two races. But both days’ running were affected by rain, limiting the opportunity teams had to evaluate them properly.

In light of the failures seen at Silverstone, which Pirelli blame on multiple factors, Kevlar-belted rear tyres will be used at the German Grand Prix. The front tyres will remain unchanged.

At the following race in Hungary Pirelli will introduce a new range of tyres which will combine the structure, construction and belts used in 2012 with the compounds used on the 2013 tyres.

The revised tyres will be tested at Silverstone on July 17th to 19th. This was originally designated as a Young Drivers Test until the FIA ruled yesterday that race drivers could participate in it for the purpose of tyre testing.

The replacement tyres will be symmetrical in construction, unlike the current ones which are not. Pirelli suspect the teams’ practice of swapping tyres between the left and right-hand sides of the tyres is one of the factors which contributed to the Silverstone failures. Pirelli says teams will be “strictly forbidden” to swap the tyres over.

Lewis Hamilton, Felipe Massa, Sergio Perez, Jean-Eric Vergne and Esteban Gutierrez all suffered tyre failures during the British Grand Prix. Nico Rosberg and Fernando Alonso were among those who narrowly avoided similar failures and some drivers were showered with debris when tyres exploded at high speed.

“What happened at Silverstone was completely unexpected and it was the first time that anything like this has ever occurred in more than a century of Pirelli in motorsport,” said motorsport director Paul Hembery.

“These incidents, which have upset us greatly, have stressed the urgency of the changes that we already suggested ?σΤιΌΤΗ£ which will be introduced during for free practice in Germany on Friday.

“We would like to acknowledge the willingness of the FIA, FOM teams, and drivers to act quickly to find an immediate solution to the problem.

“In particular, the adoption of winter tests, arranged with the FIA, that are more suitable for tyre development and the possibility of carrying out in-season testing will contribute to the realisation of tyres with increasingly improved standards of safety and performance. I?σΤιΌΤδσd like to re-emphasise the fact that the 2013 range of tyres, used in the correct way, is completely safe.

“What happened at Silverstone though has led us to ask for full access to real-time tyre data to ensure the correct usage and development of tyres that have the sophistication we were asked to provide and extremely high performance that has lowered lap times by more than two seconds on average. While we wait for a change in the rules, we will introduce tyres that are easier to manage.”

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64 comments on Kevlar belt tyres for Germany, new tyres for Hungary

  1. Jay Menon (@jaymenon10) said on 3rd July 2013, 9:26

    This will play into the hands of Red Bull. The tyre proposed for this weekend is expected to run approximately 10 Deg C cooler than the one used up to now, because steel is removed from the equation. It would imply that the tyre deg should be lower. This will apply to Merc as well.

    Ferrari can kiss their chances good bye now. Fernando will have to wait another year again. I predict a RBR win this weekend, with Mercs on the podium unless something breaks of course.

    • kpcart said on 3rd July 2013, 11:55

      most likely to help Merc, who have had their tires overheating the most, given their qualifying pace, they could now be potential race winners every race. First they didn’t get penalized harsh enough, then it seemed like all was square with the other teams getting testing at YDT, now it seems Merc has won out for a second time … time will tell, but I think during the YDT, the other top teams will have to work more on aero and other parts of the car then tires, as this change in tires will probably give merc a bigger boost then 2000km of testing.

  2. Steve McGrath (@) said on 3rd July 2013, 9:30

    “The replacement tyres will be symmetrical in construction, unlike the current ones which are not”…
    Are they saying that their tyres aren’t even round???

  3. Tariq Patel (@mdtariqp) said on 3rd July 2013, 10:29

    “At the following race in Hungary Pirelli will introduce a new range of tyres which will combine the structure, construction and belts used in 2012 with the compounds used on the 2013 tyres. ”

    I wonder how the teams will cope with tyres that have characteristics of both 2012 and 2013

  4. Nickpkr251 said on 3rd July 2013, 12:16

    If the tires run cooler also get at the warm sweet spot faster, don’t they ? If so means over heating them will be easier, even in cool Germany, doubt will benefit either Redbull or Mercedes. Ferrari, Lotus and Maclaren should benefit which makes better show and there you have it. Whatever happens is a one race off, then everything will change again next race ! At least making it more unpredictable WCC.

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