Changes for the sew season include aerodynamics, wheels and tyres, rear wings, engines, chassis and fuel.
Research has shown that an F1 car, when three car lengths behind the car ahead, loses 35% of its downforce. Close that up to one car length and the figure increases to 47%, which is significant, and claimed as the reason we do not see closer racing. Simply put, the problem is created by the “dirty air” of the car ahead and that is why the 2022 F1 car is so different in appearance, after major changes to the aerodynamic package with the aim of improving close racing.
Bargeboards are now prohibited. Placed at the front of the F1 cars’ side-pods, these directed air to the outside of the car to create a low, wide pattern of disturbed air which disrupted a following car. The front wheels create a significant air disruption so winglets are fitted to direct air away from the rear wing, once again providing cleaner air for following cars. Add to this the use of wheel covers which are intended to limit aerodynamic inefficiencies that the wheel and tyre can create.
Leeway will be given “for the sole purposes of reliability, safety, cost saving, or minimal incidental changes”. Some smaller components are excluded from homologation restrictions.Sustainable fuel sees the introduction on E10. E stands for ethanol and the 10 for the percentage to be incorporated. Currently F1 teams use fuels containing 5.75% of bio-components. The ethanol used must be second generation manufactured in a sustainable manner.
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