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McLaren MP4-22 - engine cover detail 09 April 2007

The MP4-22's engine cover is particularly narrow, and in Malaysia it sported elements resembling an ice skating blade applied to either side of its rear section (red arrows show location and detail). Their function is to reduce drag by detaching the boundary layer of airflow from the very rear of the cover. At the same time they improve the quality of airflow directed to the rear wing, increasing downforce. It is also important to note how the lower section of the cover is very low and flat close to the suspension pick-up points, cleaning up airflow and reducing turbulence in the whole rear area.