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Williams FW27 - side wind vents 05 May 2005

Barcelona's strong sidewinds upset a car's aerodynamic efficiency, hence teams seek to reduce sensitivity to them by minimising the side bodywork's cross-sectional area. Many, such as Williams, include a deep cut in the rear of the engine cover to act as a venting channel, through which side winds can flow with minimal disruption to the car's set-up.