Mercedes is set to trial its version of an S-duct in the Brazilian Grand Prix, as it continues to evaluate development ideas for 2016. Lewis Hamilton's car was spotted with the tweaks to the nosecone during Thursday's preparation day, but it is unclear yet what the testing plan is and whether or not the concept will be fitted for the entire weekend. Giorgio Piola's exclusive photograph of the nose shows the new section, where the air exits on the top, hidden by a plastic tray. The S-duct helps channel air from underneath the car to the top of the nose section to improve the flow, in theory helping the air move faster and therefore increasing downforce. The idea of the S-duct first came from...
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