Originally posted on Scarbsf1's Blog:
At the European GP in Valencia we saw the unusual circumstance of two ‘leading’ cars both retire within a few laps of each with a related fault. It was confirmed by Renault that there were alternator failures on the Renault Engines of Vettel’s Red Bull and Grosjean’s Lotus. Typically the alternator in a Modern F1 car is unseen and causes almost no issues, so this is an opportunity to look at this component and the failures in Valencia.
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