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Stable rules have led to unpredictability - Brawn

Ross Brawn: "The technologies that people have to come to terms with are relatively straightforward technologies" © Sutton Images

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Mercedes team principal Ross Brawn believes that the stability in the rules and removal of complex technologies has led to the more competitive season this year.

Lewis Hamilton's victory in Canada was the seventh different winner from seven races and left the top three in the championship standings covered by just three points. Hamilton finished less than six seconds ahead of Romain Grosjean's Lotus and Sergio Perez's Sauber in Montreal, with both teams yet to win a race, and Brawn said the reason for such a competitive field was the lack of new technologies to learn.

"The rules have been pretty stable," Brawn said. "We had the exhausts last year and while there's versions of them (this year) they're nothing like as powerful. So I think last year we certainly were on a pretty steep learning curve with the exhaust influence over the aerodynamics. We haven't got that this year, so the technologies that people have to come to terms with are relatively straightforward technologies."

Brawn also acknowledged the role of the Pirelli tyres, but said it was still a result of the midfield teams doing a good job.

"I think inevitably with the rules staying the same the top teams start to flatten off a bit and the midfield teams catch them up, so I think that's one fact. I suspect the tyres are a contributory factor as well. There's so many nuances with the tyres that understanding them and getting them to work well needs different strengths from the teams, and probably some of the teams like Williams and Sauber have done a good job in that respect."

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