The International Automobile Federation (FIA) has declared Mercedes rims legal by cooling holes after the Ferrari team asked for an opinion on their compliance with the rules.
At Ferrari, they mainly wanted to know why the rims are otherwise very similar to those that Red Bull was not allowed to use at the 2012 Canadian Grand Prix, in this case according to the rules.
Red Bull had to adjust its front wheels at the time, as the FIA considered that the holes leading the air from the brakes to the outside of the wheel made it a movable aerodynamic device, which is contrary to Article 3.15 of the technical regulations.
Mercedes used the new rims for the first time at a race in Belgium, and at the same time, the Silver Arrows team significantly improved their form, as the novelty apparently helped them solve problems with controlling the temperature of the rear tires.
The German team complemented the idea with a modified rear wheel mount at the next race in Singapore, where the two Mercedes cars were unbeatable.
The FIA responded to Ferrari's request that the rims had been examined and that the otherwise "interesting" design was completely different from the aforementioned Red Bull, and in full compliance with the rules.
This now probably means that Ferrari will use similar solutions.
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