Confession time: I’m not much interested in F1 drivers’ wages, their social media blunders or their ‘mental challenges for the forthcoming season’. I am interested in the racing, and especially the machinery they’re in charge of. As one-time technical editor at Haynes of much-missed manuals memory (and he wrote three on race cars), Steve Rendle is well placed to show us what is underneath all those sponsor stickers, to
