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How grooved brake discs are making an F1 return

Source link : https://motorsports-news.org/2024/11/29/formula-1/how-grooved-brake-discs-are-making-an-f1-return/

As rules change and evolve, F1 groups discover themselves capable of finding new methods to reincorporate good ideas that labored beforehand however abruptly misplaced their edge for one motive or one other.
The newest instance of this phenomenon is the reintroduction of grooves on the brake disc rotor, with Carbone Industries trialling them at current races.
Williams performed some experiments on the Italian Grand Prix, with Alpine additionally becoming a member of the motion in Mexico.
Whereas the hope is all the time of tweaks like this including some direct on the spot efficiency benefits for this 12 months, it’s extra doubtless that the designs are centered on area testing options in preparation for 2025.
This early sighter will even enable the groups equipped by the French producer, which is over half the grid, ample time to organize and optimise the remainder of the braking system and brake duct design round tailor-made new options from the brake disc provider.
The variations that might drive totally different performances from the grooves each now and sooner or later embrace the variety of grooves, their size, form and depth.


F1’s change from 13-inch to 18-inch tyres has resulted in groups having to enlarge the dimensions of the brake drum to match the revised wheel effectively dimension.
This requirement has been additional ramped up as there have been additionally adjustments made to stop the drum and wheels from getting used to expel warmth and air that might present an aerodynamic contribution to rising outwash.
This has resulted in a lot of new options arising to assist transfer warmth and air across the meeting. Each work to offer the mandatory help to chill parts and switch warmth into the tyre by way of the wheel rim in a manner that helps handle tyre temperatures.
The obvious of those design options is the disc fairing (as seen above on the Purple Bull), which has gone by means of varied iterations for the reason that rules had been launched.
In the meantime, there’s additionally a substantial variance within the design of every brake drum meeting, with groups making a layered nest throughout the meeting to assist direct the air and warmth earlier than making use of the outer brake drum, which should now be sealed to stop any secondary aerodynamic results from being employed.
Williams FW21 brake detail, Austrian GP
Williams FW21 brake element, Austrian GP
Picture by: Giorgio Piola
The first motive for the reintroduction of grooves on the discs although, which is one thing we final noticed when groups used metal discs, is prone to do with rising the preliminary chew that is created when the brakes are utilized.
It will have a double profit when it comes to altering the method from the motive force, and maybe making him really feel extra snug, but in addition how warmth is transferred by means of the meeting.
Ought to these current trials have proved profitable, and others start to undertake grooved discs, there’s additionally a major likelihood we are going to see additional alterations made to the remainder of the brake meeting too.
To not be outdone, Brembo and the groups equipped by them may have additionally taken word of those trials and can doubtless be the way it can implement any potential positive factors from grooved brake discs for 2025 and past.
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Matt Somerfield

System 1

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Author : Motorsports

Publish date : 2024-11-29 02:20:36

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