Renault Technical Director James Allison believes the unique front exit exhaust adopted by his team ahead of the season has ultimately proved costly, with its performance on slower speed circuits causing concern. With Singapore proving to be a low point, Allison is confident that the team can use its findings to avoid similar problems in 2012.
"We know from our experiments with rear blowing exhausts earlier in the year that they do offer a lot more rear downforce - especially at high rear ride heights," Allison said. "We know that slow speed tracks allow the rear to be held up high in all the corners and we know that rear downforce is a prized asset for coping with the traction demand at these tracks.
"We also know that the forward exhaust, by contrast, performs more strongly once the rear ride height starts to compress - something that cannot be avoided in medium and high speed corners. It is reasonable to conclude that this is the basic mechanism behind the way that we shed so much competitiveness at slow speed tracks."
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