FIA Race Director Bans Blown Diffuser From British Grand Prix

It is only a couple of months that Craig Pollock announced to turn in to an engine supplier, citing rule changes and newer engine specifications from Federation of International Automobiles (FIA). Now the federation has once again changed its rules, largely limiting the participant team’s capabilities. Recently FIA race director Mr. Charlie Whiting has written to the teams about the federation’s decision to ban the Exhaust technology used in races until now.

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FIA race director Charlie Whiting

According to FIA, the present exhaust technology was taking an undue advantage of engines moving parts to have a benefit of about a second per lap. This was an infringement of article 3.15 of technical regulations according to FIA. The ban would be on both the Hot blowing and the Cold blowing. This would adversely affect the leading teams like Toro Rosso, Williams, Virgin and others who employ cold blowing techniques. Cold blowing refers to the condition when cold gases are forced through the exhaust. It occurs when the throttle stays open even when valve is closed so that the fuel cannot be ignited. While the hot blowing is still more advantageous however, it wastes a lot of fuel. Hot blowing occurs when fuel is still supplied even after the engine is off throttle. Mr. Whiting believes that the exhaust system is designed for safe exit of exhaust gases, and it should remain so. He is also right in his approach because, it should not be used for any undue advantage else it would leave little meaning to the race.

The decision by FIA is actually not new. The federation had planned a similar action for the previous Spanish grand Prix too; however, the teams had cited that it would not be possible given the high cost and other logical problems.

Even stricter rules would be enforced from 2012 and from the British Grand prix to prevent any influence of exhaust on the diffuser. This will be achieved by the new regulations which states that the exhaust system should exit 330 mm behind the rear wheel center-line i.e. behind the diffuser. The new rules though working as a limiting factor for capabilities of teams, the stricter norms would certainly ensure a coming up of new talents.

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