What Is A Double Diffuser

The double diffuser used a loophole in the rules to increase diffuser volume by haing a second, separate chamber, invisible when looking at the car directly from below that generated additional downforce. A double diffuser is an aerodynamic device used on the underside of Formula 1 cars that features two levels of channels instead of one, creating significantly more downforce to help the car grip the track and corner faster. Banned: Why double diffusers were outlawed The 2009 Formula 1 season will long be remembered as the year that Brawn GP emerged from the ashes of the Honda team and went on to win the world.

Banned: The double diffuser that triggered an F1 development race After a slew of protests over the legality of double diffusers in early 2009, the FIA declared that they would be permitted. Soon. The double diffuser allowed a much larger diffuser than the regulated dimensions, which allowed significantly more downforce to be generated by it.

There is a lot more to the story of the double diffuser, and it involves finances and politics. Why is the double diffuser so ingenious? A loophole in the regulations allowed engineers to create another diffuser, which could start much further forward and thereby increase the overall volume. In the second part of our untold stories of Brawn GP's championship year, we look at why the car was so quick and the myth surrounding its infamous double diffuser.

If you followed Formula 1 in 2009 and 2010 you will probably recall the terms double diffuser and F-duct. However, unless you were in the aerodynamics department of an F1 team during that period you will probably only have a sketchy idea of how these devices actually produced the elusive, race-winning, downforce that is key to F1 success. A diffuser on an automobile is a shaped section of the car's rear which improves its aerodynamic properties by enhancing the transition between the high.

Basically, the double diffuser was a big reason why the 2009 aerodynamic changes didn't really do what they were supposed to. So, for the 2011 season, F1 tightened up the rules about diffusers to ensure the double diffuser was a no.

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