2009 development work for Webber
Mark Webber began his two days of running at Jerez de la Frontera today, in extremely hot conditions, with the ambient temperature heading for the high thirties and the track seeing highs of 55 Celsius.
The RB4 was fitted with slick tyres all day, with two types of Bridgestone tyre on offer. Today's programme therefore focussed mainly on 2009 development, with a smaller wing fitted to approximate to the reduced levels of downforce allowed in next year's regulations. Other elements of the 2009 package were also evaluated, but tomorrow, Mark and the team return to short term development for the upcoming races of this season.
