The diffusers – Where the teams are at the moment

Williams version of the rear diffuser

Williams version of the rear diffuser

Yesteraday Cruz Gonzales suggested in his comment a post on the technical requirements of every team for the implementation of the super diffusers. Unfortunately that sort of technical post would require some serious insider technical information from seven F1 garages but here is at least a brief summary on the current rear diffuser situation of all the teams as compiled from the news reports and team statements:

Brawn, Toyota, Williams

These three as we all know have their double decker diffusers :-) .

Renault

Renault representative Andrew Ford confirmed that his team has its own prototype version, which could be ready to run as soon as China should the case be called in favour of the ‘diffuser gang’. The diffuser gang won the case now, so we may see new diffuser at the back of R29 this weekend.


Ferrari

According to Stefano Domenicali Ferrari will now invest heavily (time and money) into creating their own solution. But it may be a while before that is ready:

“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.”

Red Bull and Toro Rosso

Red Bull reacted to the ICA ruling in truly dramatic fashion by announcing cancellation of Adrian Newey’s ticket to Shanghai so he can work flat out on new diffuser. Helmut Marko:

“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.”

It is likely that any solution that Red Bull will come up with will also be used on the Toro Rosso car.

BMW Sauber

It is not clear from BMW Sauber statements how far they may be in new diffuser design. Mario Theissen:

“We will accept the decision of the International Court of Appeal. This ruling means we now have clarity regarding the application of the regulations. However, it does not achieve the reduction in downforce and cornering speeds intended by the Overtaking Working Group when the new regulations were drawn up. At the same time, this decision means that seven teams will have to invest heavily in carrying out the necessary modifications to their cars.”

McLaren

McLaren kept rather quiet on this issue. There are several possible reasons. One is Mercedes’ engine supply to Brawn, the other may be team’s own issues with FIA. It may also be that they have their own diffuser ready and only waited for the outcome of the hearing to see which way to go. This picture suggests that maybe the case. There are suggestions that McLaren may show up with the new diffuser in Shanghai this weekend. The race weekend starts tomorrow, so we will find out soon.

Force India

There is not much on diffusers coming out of Force India camp. We will have to wait and see.

If however some people think that the “non=diffuser” teams simply add the new diffusers and immediately close the gap on Brawn, Toyota and Williams, that may not be the case. First, it is not a simple job as Fernando Alonso explains:

“From a driver’s point of view, we do not understand, we are not technical people so we are not very sure about what the rules say, but it is true that there are some cars that are much quicker than us, Brawn, Toyota and Williams. And it will take time to recover and close that gap and be as quick as them, because I don’t think it is a diffuser thing or a magic part in the car that you put on and you go straight away quick. You need to re-design the car a little bit, starting from the front wing. The air has to go to the rear-end of the car in a different way. So there is still some months I think to work, to spend money, to develop the car to be as quick as them. It is not only the diffuser, it is just a different philosophy of designing the car.

And Nico Rosberg:

“It will take many races for the others to attempt to make their cars work with that kind of diffuser and it’s not a given that they’ll be able to make it work. It’s not a fact that they will automatically be quicker – it’s not that straightforward. It will take a whole lot of time and even then you can’t be sure it’ll work.”

Moreover we have to remember the test ban is on force now and the only chances for the teams to try anything new on track are free practice sessions of GP weekends …

And here is the great Speed TV video on the diffusers (thanks again to Osama for the link ! ), it was recorded before the ICA ruling.

3 Comments Post a Comment
  1. Cruz GonzalezNo Gravatar says:

    Great! It´d be an interesting bet for the teams and fot Wolf´s Prediction Game!
    The video explains the theory pretty well.

  2. KotenokNo Gravatar says:

    I don’t believe much in this prevision for new diffusers appearance, but it comes from an official source… However, here I post this schedule:

    Renault: Spanish GP
    McLaren: Spanish GP
    Ferrari: Turkish GP
    BMW: Spanish GP
    Red Bull: Turkish GP / Monegasque GP
    Toro Rosso: Turkish GP
    Force India: Spanish GP

    Some has announced that in Red Bull are throwing fire from their mouth because they also came with this solution before in their plans, but they did consult previously to Charlie Whiting the apparently loophole in the technical regulations, who advised them that it wouldn’t be legal… Renault did the same way, but when the car was advanced in its design, so somehow could fit in, and even there are speculations that this weekend someone will spot the first steps to a double decker diffuser which should be improved in short time, but at the same moment I say this, I believe Fernando Alonso’s quote is much about reality, nothing magical will happen and cars will become faster, there’s a lot of work to do and nobody yet has even tried it, so the advantage from which talks Nico Rosberg really exitsts.

    Kotenoks last blog post..F1Wolf added a video

  3. KotenokNo Gravatar says:

    It’s a great pitty that the thing just works in Spanish…

    http://www.marca.com/2009/04/15/motor/formula1/1239825973.html

    Kotenoks last blog post..F1Wolf added a video

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