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2006 trends - turning vanes 13 December 2006

The area immediately in front of the sidepods was one of the most keenly-developed of the season, with the eponymous shields at the top, and a variety of turning-vane solutions at the bottom. Honda were arguably the pioneers here, but the design introduced by BMW Sauber (left) in Germany was among the cleanest. It featured few additional elements, helping to retain much of the original design profile, and yet dramatically increased the efficiency of the underbody of the car. In contrast, Williams (top right) and Toyota (bottom right) added multiple fins and profiles in a bid to make up for the downforce and stability apparently lacking in their cars' original design concepts.