As the end of the season approaches, the arrival of updates at the track is less pronounced, with teams now focusing most of their resources on their 2018 challengers. This was very much the case in Brazil, with only a few teams bringing some minor developments. However, at this stage of the year, Friday practice is often used for experiments focused on 2018, and Renault conducted an intriguing test with different helmet designs (see below). Renault In Mexico, Renault introduced new cooling louvres either side of the cockpit, with each element featuring a U-shaped cut-out – these were retained for Brazil. The purpose of the team’s update in this area is to improve the extraction of hot...
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