Rob White, Renault's deputy managing director (technical), looks back on a turbulent test at Jerez for the Regie...Q:Rob, we have seen very little running from the Renault-engined teams this week. What have the issues been?Rob White:We have not run enough laps, and when we have they have not been run at an acceptable performance level.The underlying causes are not straightforward: there isn't a single component or system that has caused particular trouble. A number of related things have been troublesome, principally concerning the control and operation of the various sub-systems of the Power Unit within the car.For example on the first run day, we had problems with a sub-system within the...
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