INTERVIEW WITH THE BREMBO TRACK ENGINEERS AFTER THE FIRST MOTOGP 2020 RACE

7/22/2020

 With the help of track engineers Andrea Pellegrini and Andrea Bergami who were there on the Andalusian circuit, Brembo will take you to Jerez to hear the anecdotes and tidbits

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After beating the Coronavirus pandemic, motorcycling got going again with the Jerez de la Frontera circuit hosting the first MotoGP 2020 race last weekend. 


​With the help of track engineers Andrea Pellegrini and Andrea Bergami who were there on the Andalusian circuit, Brembo will take you to Jerez to hear the anecdotes and tidbits of the first top class appointment, where Fabio Quartararo, Andrea Dovizioso and Francesco Bagnaia stood out as the best overtakers in the first race of the season.​.


 
 

What's the most exciting challenge in racing on the same circuit again, and why?​ 


«The teams will have put together more data and all of them, from the first to the last, will try to improve on the lap record of the first race. It's the first time a second race has been held on the same circuit, and within the space of just a few days, so it'll be interesting to see the data for the temperature, track and circuit conditions. »​


Can personalized changes be made to the braking system between one race and the other?​ 


«Yes, of course. The teams that reached the limit in terms of temperature, given the increase we saw over the weekend, might shift to a “safer” configuration for the next race. Or, on the contrary, teams that maybe went for over-conservative solutions could opt for a more “extreme” solution in the second weekend, perhaps defining a lighter disc configuration seeing as the heavier or High Mass discs had the temperature under control.»​


Jerez is one of the tracks that call for a lot of braking. What does this mean in practical terms?​ 


«We don't have really high braking energies, but there are braking situations very close together and this means raised temperatures not so much for the discs as for the calipers, because there isn't enough cooling time.»​

How many brake pads are used in a racing weekend? How long do the calipers and discs last normally, and after how many kilometers are they sent back to Brembo for an overhaul? How many kilometers can a pair of calipers and a pair of carbon discs usually travel?​


«For a racing weekend there's usually the run-in on Friday during the free practice, but this time it was during the test on Wednesday, with three new sets of discs and brake pads per rider so they could be used up until the race. Once they have been run in, worn sets of discs and pads from last year are used: carbon is an expensive material, so they try to get the most out of it until it's thoroughly worn. With regards the calipers, the teams usually use a new set for the warm-up and race, and they'll then be used during practice for subsequent events to get the highest possible number of kilometers out of them. There is no maximum mileage for the discs, but there is for the calipers and it's 2,500 km. After this, they are sent to our Curno site for servicing and all the necessary checks. A pair of discs can generally be used for 800-900 km in normal wear situations, but that depends on the conditions they are used in and the air and track temperatures. Take Phillip Island for instance. It's a track that doesn't demand much from the brakes, so the discs can travel further than usual without causing greater wear. In the case of carbon, there isn't an average wear mileage: everything depends on the outdoor conditions and the rider's braking style. » ​

 

Have the riders asked for anything in particular?​


«The aspects that we need to keep under control in Jerez are the high temperatures and the configuration of the new calipers, and this leads to instability in the lever because the gaskets and fluid tend to overheat. With the new GP4 calipers, we've had no special requests from the teams or problems noted by the riders. »​


In the first weekend there was both MotoGP and MotoE. What are the main differences between the two braking systems?​


«MotoGP has a carbon system, meaning that 25 laps of the track can be made in high temperatures whilst guaranteeing constant lever results from beginning to end. MotoE, on the other hand, has a steel system that's usually used in Superbike racing, on a bike that weighs more than 350 kg (including the rider). From the first lap to the sixth, both braking systems provide the same results, but if the MotoE race was a 25-lap one, the braking system would be under greater stress because it would be forced more on this circuit and with this bike weight. It's a bit like the difference between Moto2 and MotoGP. The other difference between MotoGP and MotoE concerns the Marchesini wheels​: in forged magnesium for MotoGP but forged aluminum for MotoE. »​


 


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

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