Giles Wood (Chief Engineer, Simulation and Analysis).Mark Ellis (Chief Engineer, Performance).Dave Worner (Chief Engineer, Mechanics and Suspension).Steve Winstanley (Chief Engineer, Composites and Structures).It effectively banned the current crop of exhaust blown diffusers but, as we'll find out in the next article in the 'Banned' series, this didn't stop the teams for long.

The FIA attempted to stamp out the practice for 2012 by specifying a box region where the exhaust outlet could be placed. Following lobbying from the teams, it delayed the ban though and would instead alter the regulations to not only prevent off throttle blowing but also rule out the floor mounted blown diffuser solutions.įerrari F2012 and F150 side views comparison, captioned The FIA sought to reign in the practice and was set to introduce an in-season ban on the practice. But used sparingly it could offer a tangible performance advantage. Hot blowing wasn't viable over a long period, as it increased fuel consumption and affected the engine's lifespan. This involved retarding the ignition and messing with the torque maps in order that you'd get a more potent gas plume to power the aerodynamics. This exhaust blowing trick was achieved by cutting fuel and spark and, combined with cylinder cutting to turn the engine (which was still being revved) into an air pump and able to power the diffuser when off throttle.Ī practice that subsequently entered circulation was hot blowing. It seems that cold blowing, as it became known, was considered a borderline but acceptable tactic by the FIA.

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