Renault appear to have given themselves a bit of a 'headache' with cooling of the RS18 as they've looked to gain maximum aerodynamic performance. This year's car is a little tighter packed than last season's RS17. The car showed promise in pre-season testing with Carlos Sainz fifth on the overall timesheet with a 1:18.092, less than a second off the pace. But while Renault have pushed for performance, chief technical officer Bob Bell admits it has come with a bit of a cost. Speaking of the impact the 2018 rules have had on the car's design, he told Motorsport.comn: 'It can effect some of the thermal conditions we have to meet on integrating the power unit into the chassis, but not to any...
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