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One Year Ago in Formula One

The 2005 United States Grand Prix was arguably the most controversial weekend in Formula One history. What actually happened there, at Indy, that led the 14 Michelin-shod cars to pull into their garages before the start of the race? One year on, Pierre Dupasquier, Michelin's motorsport director at the time, reconstructs the events of that weekend exclusively for autosport.com

The United States Grand Prix was nothing special for us technically. The 2005 rules said that we needed to reinforce the construction of the tyre so it lasts the entire race, and we had several constructions made for 2005. One of them was used for the Spanish Grand Prix in Barcelona, in May, and this construction was strong, because Barcelona is a very demanding circuit; it's hard on tyres. So we had a good experience on that, and we came to Indianapolis very confident.

On Friday, in both practice sessions, we had two incidents with Toyota - one with Ralf Schumacher, at Turn 13, and one with Ricardo Zonta. At this point, we didn't quite know what happened. It is not uncommon that you have some trouble with a particular car - for example, in Turkey a couple of months later, Williams had trouble with the rear right tyre, and we found out after investigation that there was a contact, in certain circumstances, between the tyre and the body of the car.

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