‘The exhaust limit rules – FIA article 23.3 sporting regulations - exhaust system hardware replacement’. Originally intended for 2021 rules but has been delayed for 2022, with the teams themselves pushing for it to stay fast-tracked for next season.
Anybody with an ounce of common sense knows how highly a guarded secret are the design property rights of the internal workings designs systems and processes used in the F1 PU.
Yet somebody makes 1+1 and says the answer he got is 3, and pushes-out the use by Honda of a ‘secondary’ combustion. Another adds another 1 and says the answer he got is 6, attributing the use by Honda of their ‘secondary’ combustion to the new FIA article 23.3 (exhaust limit rules’.
The facts are, the new exhaust hardware use rules are intended to stop teams spending a fortune trying to save tiny amounts of weight by using very expensive material. (Teams will be able to use (8) eight exhausts systems per season). The 2021 exhaust rules brings in-line the exhaust system with the PU rules and penalty systems.
Up to this point exhaust the exhaust system have been excluded from being part of the PU. Allowing customer teams to design and supply their own using materials with weight advantage irrespective of cost.
Exhaust systems were being replaced at every race in 2019. Mclaren replaced their exhaust system even between qualifying and the race under parc-ferme regulations.