Weather will have a big effect on tyre behaviour throughout the Chinese Grand Prix weekend, with free practice today characterised by cool weather and a possibility of rain for qualifying tomorrow. Ambient and track temperatures dipped to 13 and 15 degrees centigrade respectively during FP1 this morning, before becoming slightly warmer in the afternoon.As a result, the drivers had to be sure of warming their tyres up properly, in order to extract the best possible performance and guard against graining. In order to warm up the compound, the driver has to gradually put more heat and energy into the tyre during the out lap, so that the compound reacts with the surface to generate grip....
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