This season the area around the rear tyres has seen a significant amount of research and development, seeking out new solutions to improve efficiency, like this one from McLaren’s Peter Prodromou seen on the MP4-30 in Brazil.
The outside section of the diffuser is controlled by two short vertical fences, positioned outwards at an angle of 45 degrees. (see blue arrows)
The goal is to reduce the lift and drag effect created by the tyre, thereby increasing the car’s rear-end aerodynamic efficiency.
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