Thanks to the advent of turbochargers, big inter-cooler radiators enter the F1 vernacular since 2014. Where will they be sited? And how large they be? Craig Scarborough talks us through the radiator layouts – and talks, too, about the problems of keeping all the electrics at manageable temperatures. One engine supplier lists 30-odd extremely heat-sensitive individual components that will need protection… Craig talks in the studio of The Racer’s Edge and includes his own drawings in the conversation.