FIA says Mercedes DAS system is banned for 2021 season!

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The FIA will allow Mercedes or any other team that implements the novel Dual Axis Steering device to use the system this year, but DAS will be outlawed for 2021.

F1 teams were caught off-guard on Thursday in Barcelona when Mercedes was forced to reveal its innovative 'dual axis steering' after on-board footage of Lewis Hamilton exploiting the system appeared on social media.

The clever trick allows for the W11's steering system to alter the toe angle of the front wheels, a ploy that helps reduce drag on straights as well as impact tyre temperatures.

Vettel: Mercedes DAS steering system 'not the ticket to win'

The FIA gave Mercedes the green light because the innovative system only alters the toe angle of the front wheels. But teams will now likely think twice about developing a device that won't be allowed next season.

The crux of the matter apparently resides within Article 10.5 of F1's Technical Regulations which states the following:

"The re-alignment of the steered wheels, as defined by the position of the inboard attachment of the relevant suspensions members that remain a fixed distance from each other, must be uniquely defined by a monotonic function of the rotational position of a single steering wheel."

©Mercedes

The FIA has awarded Mercedes a period of leniency, but next year's ban is consistent with F1 managing director Ross Brawn's recent comments about introducing a new governance structure that would prevent teams from exploiting loopholes in the sport's regulations.

"If one team stands out there with a solution that had never been conceived and had never been imagined, and destroys the whole principle of what's trying to be done, the governance would allow, with sufficient support from the other teams, to stop it. And this is a whole different philosophy," said Brawn.

"And what then happens, someone who has a loophole thinks to themselves, do I want to use it and risk it being stopped? Or do I want to tell the FIA about it because it wasn't intended?"

In short, Mercedes' "trombone steering" as labeled by Sky F1's Ted Kravitz is toast. At least in the long term.

It will nevertheless be interesting to see if Mercedes exploits the device this season, and more importantly, if it gains a significant edge.

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Phillip van Osten

Motor racing was a backdrop from the outset in Phillip van Osten's life. Born in Southern California, Phillip grew up with the sights and sounds of fast cars thanks to his father, Dick van Osten, an editor and writer for Auto Speed and Sport and Motor Trend. Phillip's passion for racing grew even more when his family moved to Europe and he became acquainted with the extraordinary world of Grand Prix racing. He was an early contributor to the monthly French F1i Magazine, often providing a historic or business perspective on Formula 1's affairs. In 2012, he co-authored along with fellow journalist Pierre Van Vliet the English-language adaptation of a limited edition book devoted to the great Belgian driver Jacky Ickx. He also authored "The American Legacy in Formula 1", a book which recounts the trials and tribulations of American drivers in Grand Prix racing. Phillip is also a commentator for Belgian broadcaster Be.TV for the US Indycar series.