FIA warns teams over blown wing engine modes

The FIA has made it clear that it will not tolerate teams developing trick engine modes to help make blown rear wings more effective, in the wake of Renault’s aggressive design on its 2018 car.

FIA warns teams over blown wing engine modes
Carlos Sainz Jr., Renault Sport F1 Team R.S. 18
Carlos Sainz Jr., Renault Sport F1 Team R.S. 18
Charles Leclerc, Alfa Romeo Sauber C37
Nico Hulkenberg, Renault Sport F1 Team RS18 rear with aero sensor
Charlie Whiting, FIA Race Director, holds a press conference to explain decisions from officials at the recent US Grand Prix
Nico Hulkenberg, Renault Sport F1 Team R.S. 18
Nico Hulkenberg, Renault Sport F1 Team R.S. 18
Carlos Sainz Jr., Renault Sport F1 Team R.S. 18
Carlos Sainz Jr., Renault Sport F1 Team RS18 with aero sensors
Carlos Sainz Jr., Renault Sport F1 Team RS18
Nico Hulkenberg, Renault Sport F1 Team RS18 with rear aero sensors

Renault’s concept, which features an angled exhaust and a heat proofed rear wing, became a big talking point during pre-season testing. For although its layout is fully within F1’s technical rules, there were suggestions it was not within the spirit of the regulations – and could open up a spending war of development.

Renault itself had no doubts about the legality, and F1 race director Charlie Whiting made it clear on Tuesday that he too was satisfied there was nothing wrong with what the French car manufacturer had done.

With Renault having suggested it would look to work with its engine department to increase the performance benefits from blowing its rear wing, Whiting has warned the team against doing anything too trick with engine modes. This would include the type of off-throttle blowing that was at the centre of a development war between teams at the end of the V8 era.

When asked by Motorsport.com if there were any concerns about the Renault wing, or a potential spending arms race opening up, Whiting said the only concern for him revolved around engine usage.

“I think it is absolutely minimal what they [Renault] will get from it,” said Whiting. “I don’t see any problem with it provided we are sure they are not operating their engine in a false mode – a mode that wouldn’t be normal. 

“We have to accept that there is and always has been some exhaust effect, but obviously in 2012/2013 it was massive.

“We’ve chipped away at that and one of the things for the 2014 [turbo hybrid] rules was to make sure there was no effect from the exhaust – but there must be a little one.

“We will have to deal with that, and we will see during the course of the year whether we need to do something to minimise that.

“The most important thing is that they [Renault] are not doing anything silly, I believe, with the engine modes which is unnatural I would say.”

Ban on ‘monkey seats’

Whiting said that although rules had been changed for this year to minimise blown wing potential, which included the ban on monkey seats, it was inevitable teams would still try to find performance in this area.

“We were concerned with exhaust blowing last year,” added Whiting. “With the wings becoming 150mm lower than they were in 2016, there was more benefit to be gained. 

“That is why we put the exhaust pipe in the middle and with a minimum angle. Teams managed to build monkey seats, which we managed to get rid of by changing the bodywork regulations.

“But there was still a little window of opportunity. You know what teams are like: if you take one thing away they will try to get 10 percent of what they had. But they will still do it.”

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