F1 » Pirelli rules out Vettel tyre failure

Pirelli reveals that structural failure didn't cause Sebastian Vettel's puncture at Yas Marina

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November 16, 2011 10:59 AM
Last Edited 1629 days ago

It looks like it comes down to Vettel pushing too hard into the curb with low tyre pressures. Red Bull have a history of pushing their tyres well beyond Pirelli's recommendations.


November 16, 2011 11:20 AM

more speculation suggesting that hot gasses from red bulls exhaust layout may have contributed to the failure, implying that vettel and the teams prep routine may have affected the tyre!

Rob01 - Unregistered

November 16, 2011 12:09 PM

Red (marks)had a long first pit stop. IMO they took longer to look at the back right on Marks car. They were looking at the support. Red Bull knows what they tried and are not talking about it even to Pirelli.


November 16, 2011 12:11 PM

elijah. you are grasping at straws! if you study the kerb, you will see that it was gently sloped. also that many many other cars went over it , even at the start, and it caused no problems.
pirelli are not discounting damage by debris. the theory about hot gases seems an effort by pirelli to deflect any blame. the bulls have been running the same system for most of the year, and there were no problems. further, webbers car was identical, so it would be easy to see, from his tyres, if that theory was a runner.

James Montgomery

November 16, 2011 12:25 PM

Though I ponder how much the kurb had to do with the outcome due to no one else being affected when they ran over it, I would still be more inclined to think Vettel's Tyre Pressures were too low and the tyre just slipped off the bead going around T2.. It has happened to me before in karting on an opening lap and that was with about 1G going through the tyre, imagine that happening with about 3 times the load going through then it makes that theory plausable!

In reality though, we will probably never find out because there was no tyre left to analyse!

Rob01 - Unregistered

November 16, 2011 12:32 PM

I read a report that said that Red Bull use the engine mapping on the lap before making the starting grid. They believe that Red Bull starts out with low pressure and during the lap to the grid blow the tires with the exhaust to bring up the pressures and the heat/temp. Something went awry with the system.

whocares - Unregistered

November 16, 2011 12:39 PM

tyres sometimes punture and deflate, expecially when on the limit - like they had been in quali 3. just look at other forms of motorsport to see how bad it can be...

all this hoo-haa wouldnt be happening if it was any other car with any other driver, it would just be put down to a puncture. Either way, I am glad it happened.... either Red Bull are doing something stupid with gasses or pressures... or they are pushing boundaries (wow imagine that!)
but at the end of the day... IT happens.... when it does its bad luck, deal with it.

Dario - Unregistered

November 16, 2011 12:48 PM

@James Montgomery: I thought the same, but why would the tire shred itself? It would have simply spun around as SV made it back to the pits.

Dario - Unregistered

November 16, 2011 12:51 PM

The other weird thing is that many times we've seen punctures (Massa getting cut down by Hamilton, for example) the outside bead remains set. You can see remains of the sidewall being spun around.

In Vette's case, in the replays, he seems to immediately have the tire off the outside bead. And in the picture on the left, it's clearly off the bead as well.

Maybe someone used astroglyde instead of soap to put it on! :P

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