Teams told trick brake systems illegal

Formula 1's teams have been told by the FIA that they cannot run trick brake systems that react to temperature to improve cooling during races, following a complaint by Red Bull. AUTOSPORT can reveal that Red Bull wrote to motor racing's governing body ahead of the Abu Dhabi Grand Prix to seek clarification on the use of thermal energy devices within the air duct of the brake system. The team contended that attempts to use either a bimetallic strip - which would change shape to open and close off cooling ducts depending on the temperature of the brake friction material - or a thermal actuator was a breach of the regulations.

Racing news Piercarlo Ghinzani Jimmy Jackson Jason Leffler Kyle Eugene Petty Paul Goldsmith Eddie Irvine Hiroshi Fushida