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2020 LMP1 Hybrid regulations announced

The Automobile Club de l’Ouest and the FIA have annouced new regulations for the series top class, regulations that will come into force in 2020. According to the ACO/FIA the new regulations have been "created within the parameters of adapting the technologies to road-going vehicles, cost capping, technological diversity, level playing field in terms of performance and retaining the appeal for spectators, sponsors and media".

The new regulations aim to keep pushing Hybrid Plug-In technology that will enable the vehicle to run on electric power over short distances and then swap to the internal combustion engine for longer distances with the goal of reducing even further the need for fossil fuels and the emission of toxic gases.

The following are the meat of the regulations from the ACO/FIA:

Zero emissions and rapid recharging: a new road-going technology will be applied to racing, the plug-in hybrid. The cars will be given a rapid recharge at the same time as they are being refuelled.

Thanks to this, they must:

Cover the first kilometre after each refuelling stop in full electric mode at a level of performance hitherto unequalled in motor racing,

Cross the finishing line in total electric autonomy (the details are being defined).

Safety: the monocoque will be adapted according to the modifications initially envisaged for 2018,

Imposition of a free volume around the drivers’ helmet,

More room in the cockpit (1 500 mm) with adjustable pedals,

The volume for the legs slightly modified to facilitate driver changes,

Protective foam for the driver’s legs,

Stiffer front and rear crash tests of the monocoque and the crushable structures,

Improved cockpit ergonomics to enhance driver visibility.

Two energy recovery systems retained still limited to 8MJ (same size as the current ones),

Introduction of active aerodynamics with moveable wings (front and rear) to increase the efficiency of the car and compensate for the restrictions on aerodynamic development brought in to reduce costs,

Integration of biofuels: increase the integration of other types of more evolved fuels in close collaboration with the suppliers’ strategy,

Introduction of new energies: in parallel, research work on new energies like hydrogen is continuing with the aim of introducing them at a later date,

In an effort to control costs the budget now required in order to be competitive in the FIA WEC will now be more reasonable for a new manufacturer wishing to join the LM P1 competition.

The ten main measures aimed at cost reduction:

Limitation on the number of bodywork sets: a single bodywork set will be homologated per year and per manufacturer to reduce development costs (free in 2015, 3 in 2016, 2 in 2017)

Limitation on testing: another reduction in the number of test days. Teams will have a very limited number of private tests. All the others will be collective sessions organised by the championship promoter,

Wind tunnel testing reduced to 600 hours per year compared to 800 at the moment. This reduction will have a very positive impact on the reduction of budgets. The figure of 600 hours represents a good balance as it was shown that limiting this figure even more meant that the manufacturers would invest in simulation tools (Computational Fluid Dynamics CFD), which goes against the imposed cost reductions,

Development units: a system will be put in place to prevent a manufacturer from being able to build a new car every year. The regulations will define the features (chassis, engine, hybrid system, bodywork) that the manufacturer will be able to develop between two seasons so choices will have to be made. Thus, the more a feature considered as important by the regulations is developed during the winter break, the fewer possibilities the manufacturer will have to develop others,

An undertaking on the stability of regulations for four years minimum that will have a big impact on the costs;

Aerodynamic regulations: development possibilities for the car’s underbody will be severely restricted:

Perimeters will be defined to reduce development opportunities in the areas that currently have a major impact on performance thus leading to heavy investment,

Free zones will be allowed to enable manufacturers to innovate but with a big reduction in budgets devoted to these areas.

Regulations on brake cooling: at the present moment cooling the brakes is leading to the development of costly technologies which have little interest in terms of technology transfer to road-going vehicles. This does not fit in with the aims set by the ACO and the FIA.

Limitation on staff at the races: 50 people per team in the FIA WEC races (currently 65). No limitations imposed for the Le Mans 24 Hours

Limitation on the number of components in the power unit per year (battery, internal combustion engine (ICE), energy recovery systems (ERS)), which will allow the passage from 5 to 4 in one or two years

Gearboxes limited to two units.


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