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BMW Sauber C29 - 'F-duct' system 28 March 2010

BMW Sauber are the first team to introduce their own version of McLaren's innovative F-duct system, the speed of introduction helped by the fact that they had already tried using a critical part of this solution - a rear wing with a slot in it - at last years Singapore race. That slot effectively creates a three-element rear wing. However, there are notable differences compared to the McLaren system. The air directs on to the main section of the wing (longer blue arrow and yellow highlighted area), not the flap, whilst the 'F-duct' itself (smaller blue arrow) is positioned on the sidepods, not on top of the chassis like on the McLaren.