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Mercedes on cracking their tyre conundrum 09 Apr 2012

Nico Rosberg (GER) Mercedes AMG F1 W03.
Formula One World Championship, Rd1, Australian Grand Prix, Race, Albert Park, Melbourne, Australia, Sunday, 18 March 2012 Ross Brawn (GBR) Mercedes AMG F1 Team Principal.
Formula One Testing, Day 4, Barcelona, Spain, Friday, 24 February 2012 Michael Schumacher (GER) Mercedes AMG F1 W03.
Formula One World Championship, Rd2, Malaysian Grand Prix, Qualifying, Sepang, Malaysia, Saturday, 24 March 2012 Michael Schumacher (GER) Mercedes AMG F1 W03.
Formula One World Championship, Rd2, Malaysian Grand Prix, Practice, Sepang, Malaysia, Friday, 23 March 2012 Michael Schumacher (GER) Mercedes AMG F1 W03 following his spin into the gravel.
Formula One World Championship, Rd1, Australian Grand Prix, Qualifying, Albert Park, Melbourne, Australia, Saturday, 17 March 2012 Nico Rosberg (GER) Mercedes AMG F1 W03.
Formula One World Championship, Rd2, Malaysian Grand Prix, Race, Sepang, Malaysia, Sunday, 25 March 2012 Nico Rosberg (GER) Mercedes AMG F1 in parc ferme.
Formula One World Championship, Rd2, Malaysian Grand Prix, Race, Sepang, Malaysia, Sunday, 25 March 2012 Michael Schumacher (GER) Mercedes AMG F1 W03 on the grid.
Formula One World Championship, Rd2, Malaysian Grand Prix, Race, Sepang, Malaysia, Sunday, 25 March 2012 Nico Rosberg (GER) Mercedes AMG F1.
Formula One World Championship, Rd2, Malaysian Grand Prix, Qualifying, Sepang, Malaysia, Saturday, 24 March 2012 Nico Rosberg (GER) Mercedes AMG F1 W03.
Formula One World Championship, Rd2, Malaysian Grand Prix, Qualifying, Sepang, Malaysia, Saturday, 24 March 2012

Two races into 2012 and firm conclusions are very hard to come by when assessing the true competitiveness of the teams. The results from the opening two events indicate that this could be one of the most open seasons for years, with seven different teams finishing in the top ten in Melbourne - and nine in the mixed conditions of Sepang.

Even in qualifying, the margins have been incredibly close: the top ten qualifiers from Q2 at the first two races were separated by an average of eight-tenths of a second, compared to 1.5 seconds in the first two races of last year. In such a tightly matched field, small details make a huge difference.

For Mercedes, the time between the races in Malaysia and China has been spent trying to unravel a conundrum: why hasn't strong qualifying speed been translated into a similar level of competitiveness on Sundays?

"In both races, our problems have been related to getting the tyres into the correct working window,” says Mercedes team principal Ross Brawn. "However, at each race it was at different ends of the scale: in Melbourne, we overheated the tyres - it was under control on Friday, then we developed the set-up in a direction which did not prove helpful in the warmer conditions. In Malaysia, having done a lot of work in practice to make sure we didn't suffer from the same problem, the cooler conditions on Sunday dropped us out of the window again."

Temperature readings give a clearer picture of the shift: while on Friday and Saturday, track temperatures were in the mid-40s in Sepang (peaking at 45 degrees Celsius on Friday), they hovered around 30 degrees in the race. "In the dry at the end of the race, we got the car working more effectively and our pace was more respectable,” added Brawn. “But I still don't feel we really got the tyres working well, gripping hard and operating at optimum temperature.”

The consequence of the drop in temperatures was to flip the primary challenge of the race on its head. Instead of needing to protect the tyres from overheating, it was critical to generate tyre temperature in the cooler conditions. More than one team experienced a loss of relative competitiveness compared to Saturday.

"The result in Malaysia was a great one for Formula One - but certainly not what would have been predicted before the start," continues Brawn. "Like other teams at the front of the grid, we spent two days getting tyre temperatures down - and then, in the race, found that we needed to work the tyre harder. The cooler conditions reversed what was needed from the cars."

However, circumstance alone does not explain the team's difficulties at the opening races of the season.

"We have too narrow a window in which we are operating the car - and we have to broaden that, and build more tolerance into how we are using the tyres," explains Brawn. "When we encounter challenges like this, we look at all areas of the car and we challenge ourselves collectively to find the solutions we need. But our qualifying speed tells us that the fundamentals of performance are there: you can't do the lap times if you don't have enough downforce, horsepower or a good chassis."

So far, the potential of the F1 W03 has only been glimpsed on Saturday. At both races, the best of the team's cars has qualified less than half a second from pole position - in 2011, the closest the team got to pole was 0.525s in Turkey. The step forward in basic performance is clear to see and there is no reason to believe that it cannot be translated to race conditions.

"Our objective is to build the best car we can for the race - and our qualifying performances are a consequence of that," continues Brawn. "Nothing has been consciously done to focus on making the car quick in qualifying, and not so good in the race, because under the current rules - with DRS and the number of pit stops - there are no real rewards for doing so.

“Using the tyres properly is vital for success, and it depends on a number of factors, including set-up, the downforce the car is generating and the drivers' approach. Within the set-up variations we can choose, we have the opportunity to find the right solution. But it's a learning process, and we missed the mark at the first two races."

What then of prospects for Shanghai? Practice data from Sepang indicated that, in dry conditions, race performance should have been more consistent than in Melbourne. China will provide an opportunity to confirm this.

"Our analysis since Malaysia has given us an even better understanding, and we have plans and actions in place to improve our tyre management," concludes Brawn. "We clearly have a reasonably quick car - we have shown that in qualifying - and now we have to convert our speed into race performance."

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