![]() ![]() These counter-rotating vortices interact with the barge boards to speed up the airflow being fed to the underfloor. The middle 250mm of the wing is by regulation neutral in section – ie it cannot be aerofoil – and where this forms an edge as the wing transitions to the aerofoil sections, so it creates a vortex of spinning air. READ MORE: The 2021 F1 cost cap explained – what has changed, and why?īoth devices are there to create extra vortices to those induced by the 'Y250' mid-section of the front wing. The alternative to the cape is the panel containing slotted vanes seen on the existing McLaren nose. The move towards such noses is to better accommodate the increasingly favoured ‘cape’, a flat section of bodywork beneath the nose channelling airflow to the bargeboards, pioneered a couple of years ago by Mercedes. The new nose, slightly narrower and more curved across its width, moves it more towards a Mercedes and Renault concept. READ MORE: FIA outline proposed downforce changes for 2021 The nose and front impact structure are one of the parts not due for homologation until the end of the month – so to avoid spending a valuable token on changing it later, a team may wish to get in that change ahead of the deadline. ![]() Others are homologated at the end of this month. Some were from the first race, in Austria in July. Each of the homologated parts have an associated token value of either one or two – and teams can spend up to a total of three.īefore the delayed start to the season, the FIA laid out which parts were to be homologated and when. READ MORE: FIA approve reduced 2021 F1 cost cap and new sliding scale rules for aero testingĪs part of the extra cost saving measures introduced to F1 in the wake of the pandemic, teams are obliged to use their 2020 cars into next season, ahead of the introduction of an entirely new set of aerodynamic regulations in 2022.Ĭertain key parts of the car are frozen in spec (homologated) and can only be upgraded by the spending of notional tokens. The new nose trialled by McLaren on Carlos Sainz’s car during Friday practice at Mugello is part of a wider aerodynamic upgrade the team are researching before committing to the homologated parts deadline at the end of this month. McLaren trialled a new front wing at Mugello in Friday practice, but why the mid-season change of concept? Mark Hughes explains all, with technical illustrations from Giorgio Piola. ![]()
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