Two different rear wings on RA108

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Honda drivers Barrichello and Button have been using different rear wings at the Canadian Grand Prix. Jenson Button's version is very similar to the rear wing used at several other races this year as it features the same profile but has an extra gurney flap to it. Surprisingly, this will increase downforce. The wing used by Rubens Barrichello sports a cut out upper plane, as marked by the arrows. Such design is a quick solution for lower drag and downforce on the same wing, although it will have a lower efficiency compared to a wing with a higher lower profile and with identical downforce.




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