Brembo brakes put to test at the Formula 1 Bahrain GP 2018

4/4/2018

It all comes down to the performance of the braking systems of the single seaters in Bahrain, one of the toughest circuits for brakes.

 
From April 6th to the 8th, the Bahrain International Circuit will host the 2nd round of the 2018 World Formula 1 Racing Championship. Located in the Sakhir desert, the circuit was designed by Hermann Tilke, and its construction cost 150 million dollars, most of which was necessary to create the asphalt bed.

Thanks to the installation of an artificial lighting system, since 2014 the Bahrain GP has been disputed at night. Despite this, ground temperature during the last two editions has always ranged between 26 and 31 degrees. These values translate into a significant mechanical grip.

The presence of many high-energy impact brakings, what's more concentrated in the central area of the circuit, means high friction material wear.

To adapt to the 2018 single seaters, which yield higher performances than the previous years, Brembo technicians have increased the number of holes in the carbon discs and have created new calipers.

For each team, Brembo constructed ad hoc braking system that ensure optimal integration with the aerodynamic and mechanical characteristics of the cars.

 


The Middle-Eastern circuit is an extremely tough test bench for all the components of the braking system, as shown by the difficulty index assigned by Brembo technicians. On a scale of 1 to 10, the Bahrain International Circuit earns a 9, making it one of the most challenging on brakes. Only Montreal, Mexico City, Abu Dhabi and Singapore rank higher.


 
 

The demand on the brakes during the GP

In Bahrain the pilots use the brakes just under 14 seconds a lap, meaning 16% of the race. Compared to last year's edition, average deceleration has increased from 4.4 to 4.6 g due to an increase of braking torque.

From start to checkered flag, each pilot will use the brakes 450 times, exerting a total force on the pedal of approximately 48 tonnes.

In other words, each pilot exerts a load of over 1080 lb per minute.


 

The most demanding braking sections

Of the Shanghai International Circuit's 8 braking points, 4 are classified as crucial for brakes and the other 4 are of average difficulty. Deceleration in six of these braking points is at least 4.5 g.

The most difficult braking point is that of curve 1: the cars hit the area at 201 mph and brake for 2.2 seconds in 200 ft to strongly decelerate to 51 mph. The pilots exert a load of 260 lb on the pedal and are forced to withstand 5.1g of deceleration, which equates to the value usually experienced by astronauts during their return to Earth.

Very close deceleration is also in bend 14 (5g), but the peak speed before braking (184.5 mph) and that at the entrance (78 mph) are lower: this means less braking time and space, 1.9 seconds and 147.6 ft.

Braking in bend 4 is an impressive feat: in only 151 ft, less than half the height of the highest mountain in Bahrain, the single seaters loose 108.7 mph with a deceleration of 4.7 g.


 

Brembo performance

In Bahrain, the single seaters equipped with Brembo calipers have won 11 of the 13 editions disputed up to now, including the last 10. The most victorious Racing Team with Brembo brakes in Sakir is Ferrari with 5 wins. All 7 pilots that won the Bahrain GP have triumphed at least once with Brembo brakes.


 

 

Brembo S.p.A. | P.IVA 00222620163

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