Since the new rules were first announced there has been speculation about the possibility of a savvy competitor matching what Brawn’s own eponymous outfit did in 2009.
That year Brawn GP introduced the controversial double diffuser and enjoyed a huge advantage in the early part of the season.
Brawn said he couldn’t guarantee that loopholes had not been left open, but he remains confident that “robust” regulations have made it less likely.
“You don’t know about silver bullets,” said Brawn. “If you knew where the silver bullet was you would have stopped it.
“There’s no guarantee that something may occur that we just haven’t anticipated. And I think if it is going to occur, you won’t see it in Barcelona [testing]. Probably someone will spring it on F1.
“But actually, I don’t think that will be the case. I think the regulations are pretty robust. But you can never say.”
Brawn added that the new FIA governance system, which does not require unanimity among the teams to…
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