Double Diffuser Vs 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. IIRC the flow through them was somewhat contorted so they weren't particularly efficient. How the double diffuser came to be at Brawn GP and others Even in 2008, engineers were exploring ways to make their cars faster for the following season.

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. 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. 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.

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. 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. To understand the double diffuser, you first need to know what a regular diffuser does.

The diffuser is a shaped section at the back of a race car's floor that controls how. The rules introduced for 2009 had set about limiting the dimensions of the diffuser to 1000mm wide, 175mm tall and 350mm long. The use of the double diffuser arrangement hinged on the wording on article 3.12.7 of F1's Technical Regulations.

It stated: "No bodywork which is visible from beneath the car and which lies between the rear wheel centre line and a point 350mm rearward of it may be. 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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