F1’s brake suppliers have long balanced out increasing the number of holes to help cooling with the need for structural integrity of the disc itself.
Twenty years ago there were less than 30 big holes around the centre of the disc, and this number only increased dramatically around five years ago when drilling more than 100 holes was possible
Advances in technology have moved fast, however, and by two years ago Brembo had got up to 1200 – believing that to be a limit.
Read more at MotorSports.com
Earlier in The Brake Report: Brembo’s insights into Grand Prix breaking
