The requirement is to keep the tyres within their quite narrow operating temperature window, which is trickier to do with the undriven front tyres than the driven rears. The carbon brake discs around six inches away run at between 500-1,000-deg C. The tyre’s optimum temperature (depending upon compound) is between 100-150 degrees C. READ MORE: How does the F1 Sprint work? The format explained ahead of its return this weekend in Brazil There are myriad factors feeding into tyre behaviour – notably weight distribution, suspension geometry, tyre pressures and brake bias – but perhaps the most crucial of all is how the brakes are used to indirectly control the tyre temperature via the wheel rims. But relatively little has been discussed about a performance factor that’s at least as significant: how each of the RB18, F1-75 and W13 uses its tyres. In assessing the respective performance patterns of the Red Bull, Ferrari and Mercedes this season, a lot of attention has been focused on their differing aerodynamic traits and how these are better or worse suited to each track layout.
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