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Sauber C31 - brake ducts 24 March 2012

More and more teams are gleaning aerodynamic benefits from their brake ducts, with those at the front improving the flow of air in the space between the tyre and the chassis and the rear ducts boosting downforce. At the Barcelona tests, Sauber followed Williams' lead and introduced drums with no inlet, but at last weekend's Melbourne race the Swiss team did add an inlet (see inset). In Sepang, however, the brake ducts on the C31 are totally closed and instead receive the air needed to cool the brakes via a small gap between the carbon blade and the tyre.