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GP Week : Issue 111
Technical Update: Malaysian GP The turn around from Melbourne to Malaysia was tight, but as GPWeek Technical Editor Paolo Filisetti explains, there were still a few changes ... Sepang, being the second race of the season, even if it wasn’t back-to-back with Australia, (instead with China), meant the cars had to be shipped directly from Melbourne. Hence, there was not much room for many changes. Many teams just spor ted small developments, more related to the specific needs of the Sepang circuit, instead of making proper developments. It was anyway inter- esting to see up close the cars, which already in Australia had been cleverly designed. This was espe- cially the case of the Red Bulls and Renaults, which struck our attention for their clever solutions. Of course we just took these two examples, but for the next race, we will focus our attention on other cars, that also featured particular innovation in their design. Red Bull, exhaust development One of the key factor, of the current competiveness of the RB7, relies in the rear ends layout, capable of partially recover most of the lost downforce due to the banned blown diffusers. Already in Australia, Red Bull have slightly modi- fied their blown exhausts, with a small extension on the flat pipe blowing just in front of the rear tyres. The underbody has been cut slightly more, in order to divert more airflow under the side channels of the rear diffuser. This change, of course was kept in Malysia, and resulted being particularly effective on the long straights of the Sepang circuit. Renault front wing development Renault, compared to Australia, have brought a new front wing to Malaysia, which features new endplates. On the outermost side there is now a curved and twisted fin, right in front of the longi- tudinal hole for allowing the airflow through. On Friday and Saturday morning, the team compared the new wing to the old one, but both drivers chose to run the new front wing in qualifying and the race. The new wing provides slightly increased down- force levels, which is useful on the twisty sections of Sepang. For your daily dose of Formula 1 news ... 12