McLaren MP4-23 - front wing revisions
A small, but interesting change in Melbourne relates to the outer extremities of the bridge wing. They now feature a wider chord section than before, as well as long slits (arrow) to help generate the kind of suction effect normally associated with a more conventional flap-main profile assembly. The change provides slighty more downforce, without having to alter the chord and the angle of the bridge wing. Expect to see this solution retained for Malaysia next weekend.
McLaren MP4-23 - rear wing
McLaren's MP4-23 features an interesting rear wing, which has been deeply revised both in terms of its main profile and its endplates. These endplates still sport the now atypical horizontal slits, which reduce the turbulence generated by the impact of the airflow where they attach to the main profile. The endplates' flap (red arrow) also features a revised solution, similar to one introduced by Renault two years ago. On the MP4-23 the flap is separated from the rest of the endplates by a deep cut. This provides a cleaner exit for the airflow passing under the main sculpted profile. The efficiency of the rear wing and the overall driveability of the car has been thus increased, while the additional downforce is not negated by increased drag on the straights.
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