FIA declares the diffusers legal

This is the statement published by FIA short while ago:

The FIA International Court of Appeal has decided to deny the appeals submitted against decisions numbered 16 to 24 taken by the Panel of the Stewards on 26 March at the 2009 Grand Prix of Australia and counting towards the 2009 FIA Formula One World Championship.

Based on the arguments heard and evidence before it, the Court has concluded that the Stewards were correct to find that the cars in question comply with the applicable regulations.

Full reasons for this decision will be provided in due course.

So, the results of Australian and Malaysian GPs stand, Brawn GP, Toyota and Williams can go on reaping the rewards of their interpretation of 2009 rules and we can focus on racing for a while, at least till the next “McLaren” WMSC hearing on April 29 …

It will be interesting to see how much time will it take before another team races with the double decker diffuser. Who will be the next ?

25 Comments Post a Comment
  1. JourneyerNo Gravatar says:

    Renault and possibly McLaren will race with one this weekend.

  2. Once again Ferrari throwing their toys out of the pram. Why don’t they just shut up and admit they didn’t think of the design the other 3 teams did and move on.
    Lets get back to proper racing instead of all this bickering.

  3. JRNo Gravatar says:

    I just saw this, haven’t read the statements.

    JDoes this mean Brawn and Toyota will be disqulified from the first two races?

  4. JRNo Gravatar says:

    Sorry. That said legal. Eyes are playing tricks on me.

  5. bmwf1guyNo Gravatar says:

    I’m pleased with the verdict even though it puts my team in a frantic position. Looking outside the box (oh that is over used) is what they did.

    What I get out of it is now maybe after details are released everyone will know exactly what can be done regarding diffusers. The fight is now on as to when others will release their versions and how good they will be. I hope it’s soon because I want competition at the front and not runaway races time and time again.

    bmwf1guys last blog post..International Court of Appeal – Double Decker Diffusers Legal

    • JRNo Gravatar says:

      Ferrari, Maclaren and Renault will have super-diffusers by Europe. And it is still a tire war. Plus KERS. Don’t worry this is far from over.

    • F1WolfNo Gravatar says:

      I’m pleased with the verdict even though it puts my team in a frantic position.

      BMW Sauber are working that superlight car as their secret weapon, don’t they ?

  6. JRNo Gravatar says:

    It will be amazingly competitive at the front. This is the best 20 drivers F1 has ever had. Secondary teams like Williams and Toyota and all 4 red bull drivers and cars are completely competitive.

  7. psychyNo Gravatar says:

    i’m really happy with the decision. so now we can go back to racing. ok, there is still the mcm issue…

  8. KotenokNo Gravatar says:

    I feel relaxed, finally can forget from these worries and center in enjoy the good outlook which has Williams nowadays :) I’m looking forward for good results and tight fight in the front!

    Kotenoks last blog post..F1Wolf added a video

  9. Cruz GonzalezNo Gravatar says:

    Mr Expert, may I suggest a new post?, “Technical requirements of every team for the implementation of the super diffusers”, some teams will have to re-design the rear part of the car! How is the Brawn superior to rivals? How are the other teams adapting to this new challenge? As Alonso said, there is not as simple as it seems to be.

    • F1WolfNo Gravatar says:

      I am not really that qualified but yes, it is obviously not as simple as it may look. This is for example statement from Ferrari:

      “Unfortunately this decision forces us to intervene on fundamental areas of the car’s design in order to be able to compete on an equal footing with some of the teams from a point of view of the technical regulations, and that will take time and money. We will now double our efforts to get the team back to the highest level of competitivity.”

      Renault representative Andrew Ford however yesterday confirmed that his team has its own prototype version and it could be ready to run as soon as China should the case be called in favour of the ‘diffuser gang’. So, we may see some new feature at the back of Renaults next week.

      And here is BMW’s Mario Theissen:

      “We are definitely not leaning back. We are developing a similar solution, despite thinking it doesn’t comply with the idea of the rules and it costs a lot of money. We don’t want to go this path but we have no choice, we have to develop it in case it is declared legal.

      “I have to say I don’t know where we are right now, or when it will be worth applying it to the car. It goes way beyond just developing a new diffuser, it affects the entire aero concept, so it requires quite a lot of development work.

      “At the moment I cannot predict at what race we will have something that will be beneficial compared to what we have today.”

      • F1WolfNo Gravatar says:

        and here is Red Bull:

        “We are working flat-out on a new solution already. As the verdict became official, Adrian [Newey] immediately cancelled his flight to Shanghai and will stay in the factory. If everything goes according to plan, we will have the ‘new’ car ready for Monaco.”

  10. […] decision of the FIA International Court of Appeal means that Brawn GP, Toyota and Williams will keep on racing with their double diffusers and likely […]

  11. zblkhwkNo Gravatar says:

    The restrictions placed on track testing will make changes to the cars much more difficult. I would expect some first race pains for everyone implementing diffusers. It could get a little wild as well as this will change the performance characteristics of the car, and drivers will be learning during practice, qualifying and on race day.

    As much as I love it that Brawn has risen from the dead to become the force in F1, this ruling does seem to go against the intent of F1 to simplify the aerodynamics to help reduce costs. Reading the responses from the teams without the diffusers, it appears that they are going to invest heavily into a solution. Once again, a team has bent the rules to the limit and succeeded.

  12. OsamaNo Gravatar says:

    guys i found this on

    a great explanation of the diffuser in a formula 1 car

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