Ferrari has written to the FIA ahead of the 2017 season to question the legality of Mercedes and Red Bull's suspension systems, which the Italian team believes to contravene the technical rules. The two teams have developed similar systems in response to the banning of adapative ride-height systems such as FRIC (front and rear interconnected) suspension in 2014, which helps a car to remain level under braking, acceleration and cornering. The new system uses a third suspension element (or heave), which is placed behind the rocker assembly in the chassis, to control vertical movement of the suspension – producing similar benefits to the FRIC system. Ferrari's chief designer...
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