F1 » FIA give McLaren, Ferrari exhausts all-clear

FIA technical director Charlie Whiting has given the green light for McLaren and Ferrari to continue using controversial exhaust layouts.

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February 11, 2012 3:55 PM

Red Bull team principle Christian Horner says the team have exhaust updates are in the pipeline, while Adrian Newey believes that F1 could be facing 'exhaust-gate' in Australia, as plenty of teams will turn up with exhausts radically different to what they have now (there own interpretations).

devilsadvocate - Unregistered

February 11, 2012 4:29 PM

This is one thing that as a manager has always annoyed me about anytime I have had to work with engineers, they always get hung up on a concept or favorite idea and they cannot see past it. I guaranty that there is another way to skin this animal but they are dumping money into this to bend (literally) over backwards to still try and blow the floor. All tw lower teams are going to copy it, probably incorrectly because they don't have the resources to do it right in all it's complexity and thus will ruin whatever they had in terms of moderate competitiveness. Goes to show even the greatest minds can get near sighted... real shame


February 11, 2012 6:12 PM

during testing, the mclaren was showing signs of burning on the floor, and there were heat sensors on the floor. somehow they are able to direct the gas flow downwards. yet the rule states that the gasses cannot be used for aerodynamic advantage. still, if the macca has been passed as complying, there is no reason why every other team cannot do the same. so welcome back the blown diffuser!!


February 11, 2012 6:43 PM

Richard, So Ross Brawn was right when he said last year that the new exhaust rules as written leaves a loophole open to interpretations.
Now that I have seen these exhaust systems I cannot understand how CW can declare them legal when they clearly are aimed at aiding Aero by blowing contrary to the way the new rules intended them to blow.


February 11, 2012 6:49 PM

sunny. as a previous poster has pointed out, charlie isnt actually the final arbiter. there is a chance that the fia could change the ruling, just as they did last year. but the funny thing is that ferrari found more speed when they cut away some of their directional bodywork, and angled the exhausts more upwards and inwards. so i guess that they are trying to see if blowing the beam wing or the space below the main wing, is more effective.
cant wait to see neweys response!


February 11, 2012 7:46 PM

Richard, if the FIA change CW'S ruling it will only means that CW was wrong in his decision/ruling, if CW does his job correctly his ruling will not need be changed/corrected.
There is nothing funny in finding out something works better than previously predicted when directed contrary to plans previously predicted even with computer simulations and what not.
I have some old notes re this subject that I had to re visit to fully understand the implications of the off throttle engine mapping at that time which correlates to all this, I will post accordingly, am sure it will interest you, maybe some others too.


February 11, 2012 8:31 PM

It was Jean Claude Migeot who was then the head of aero at Renault that first blown a diffuser by exhaust gasses in 1983 (turbo era), the effect of blowing a diffuser by a turbocharged engine could be likened to the ground effect concept, they were both deemed on the verge of being dangerous if the blowing/ground effect was suddenly lost, the trend continued through the late 90's, when the formula changed to NA V10 engines and the quest for power race started with ever higher engine revs ceilings FERRARI found that aerodynamics were becoming too sensitive to throttle position and they started to move the exhaust away from the diffuser. To be continued.

no name - Unregistered

February 11, 2012 8:46 PM

As always like at the beginning of every new season a handful of teams come up with an innovative way of staying within legality. Remember back in 2009 when williams, brawn, and another team (can't remember) were running the trick floor diffusers. Teams were going out of their minds trying to tell CW they were illegal. This is nothing more then that in a nutshell just a different component. Happens every season. And of course if they do prove an advantage every team will copy it, then it will run on the cars through 2013 and then right before 2014 the FIA will ban exhaust modifications completely. Same old thing every season.

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