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Williams FW29 - rear wing 18 June 2007

Williams, like most teams, went for a low to medium-downforce set-up at Indy, focussing on performance in the high-speed section of the track. To this end they adopted a new rear wing, with its main profile raised slightly and curved upwards in the middle (blue arrow) relative to the previous version. The team actually carried out a back-to-back comparison of the two configurations in Friday practice and this one won out. It reduced drag and turbulence significantly, providing more rear-end stability, especially through the banking where a driver's confidence in the car is crucial.