Mercedes introduced a plethora of updates for the Chinese GP, some in reaction to Ferrari's upturn in form and others were simply scheduled updates. The team have done a lot of work at the rear of the car, including the introduction of a new rear-wing top flap, aimed at reducing drag. The design is very similar to the one employed by the team at Spa-Francorchamps in 2014, featuring a cut out at the flaps outer edge (see top image). The curvature of the flap results in a change to how the pressure gradient builds across the flap, whilst the vortex that is usually shed from the tip juncture will also change shape. If carefully balanced, the loss in downforce will be minimal compared to the...
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