2021 FORMULA 1 TECHNICAL REGULATIONS

1 2021 formula 1 technical regulations . PUBLISHED ON 19 JUNE 2020. Issue 5. Convention: Black text: based on 2020 TECHNICAL REGULATIONS Issue 5 (19 June 2020). Pink text: approved changes for 2021. Green text: comments / not regulatory CONTENTS: Pages ARTICLE 1: DEFINITIONS 8. FORMULA One Car Automobile Land Vehicle Bodywork Wheel Complete wheel Automobile Make Event Weight Cubic capacity Pressure charging Cockpit Sprung suspension Survival cell Camera Camera housing Cockpit padding Brake caliper Electronically controlled Open and closed sections Power train Power unit Engine Energy Recovery System (ERS). Motor Generator Unit - Kinetic (MGU-K). Motor Generator Unit - Heat (MGU-H).

2 2021 formula 1 technical regulations 1 19 June 2020. 2020 F d ration Internationale de l'Automobile Issue 5. Energy Store (ES). Compressor inlet Compressor outlet Combustion chamber Fuel injector Auxiliary Oil Tank (AOT). Engine exhaust system Turbocharger (TC). In-cylinder pressure sensor High pressure Fuel pump Fuel Flow meter Ignition Coil Ancillaries Engine Plenum ES cells DC-DC Converter Power Unit Control Electronics (PU-CE). Valve Stem ARTICLE 2: GENERAL PRINCIPLES 13. Role of the FIA. Amendments to the REGULATIONS Dangerous construction Compliance with the REGULATIONS New systems or technologies Measurements Duty of competitor ARTICLE 3: BODYWORK AND DIMENSIONS 15.

3 Definitions Overall dimensions Front wing Front bodywork Rear bodywork Rear wing and rear impact structure Floor and diffuser Aerodynamic influence Bodywork flexibility Bodywork construction Datum Points 2021 formula 1 technical regulations 2 19 June 2020. 2020 F d ration Internationale de l'Automobile Issue 5. ARTICLE 4: WEIGHT 41. Minimum weight Weight distribution Weight of tyres Ballast Adding during the race Weight of the driver ARTICLE 5: POWER UNIT 42. Engine specification Other means of propulsion and energy recovery Power unit dimensions Weight and centre of gravity Power unit torque demand Power unit control Engine high rev limits Exhaust systems Variable geometry systems Fuel systems Ignition systems Energy Recovery System (ERS).

4 Engine ancillaries Engine intake air Materials and construction - Definitions Materials and construction General Materials and construction Components Materials and construction Pressure charging and exhaust systems Materials and construction Energy recovery, storage systems and electronic systems Starting the engine Stall prevention systems Replacing power unit parts ARTICLE 6: FUEL SYSTEM 52. Fuel tanks Fittings and piping Crushable structure Fuel tank fillers Refuelling Fuel draining and sampling 2021 formula 1 technical regulations 3 19 June 2020. 2020 F d ration Internationale de l'Automobile Issue 5. ARTICLE 7: OIL AND COOLANT SYSTEMS AND CHARGE AIR COOLING 54.

5 Location of oil tanks Longitudinal location of oil system Transversal location of oil system Coolant header tank Cooling systems Oil and coolant lines Main oil tank level measurement Oil injection ARTICLE 8: ELECTRICAL SYSTEMS 55. Software and electronics inspection Control electronics Start systems Data acquisition Telemetry Driver controls and displays Driver radio Accident data recorders (ADR) and high speed accident cameras Track signal information display Medical warning system Installation of electrical systems or components ARTICLE 9: TRANSMISSION SYSTEM 60. Transmission types Clutch control Traction control Clutch disengagement Gearboxes Gear ratios Reverse gear Gear changing Torque transfer systems ARTICLE 10: SUSPENSION AND STEERING SYSTEMS 64.

6 Sprung suspension Suspension geometry Suspension members Steering Suspension uprights 2021 formula 1 technical regulations 4 19 June 2020. 2020 F d ration Internationale de l'Automobile Issue 5. ARTICLE 11: BRAKE SYSTEM 67. Brake circuits and pressure distribution Brake calipers Brake discs and pads Front air ducts Rear air ducts Common rules for front and rear air ducts Brake pressure modulation Liquid cooling Rear brake control system ARTICLE 12: WHEELS AND TYRES 70. Location Number of wheels Wheel material Wheel dimensions Supply of tyres Specification of tyres Treatment of tyres Wheel assembly ARTICLE 13: COCKPIT 72. Cockpit opening Steering wheel Internal cross section Position of the driver's feet ARTICLE 14: SAFETY EQUIPMENT 73.

7 Fire extinguishers Master switch Rear view mirrors Safety belts Rear lights Cockpit padding Wheel retention Seat fixing and removal Head and neck supports ARTICLE 15: CAR CONSTRUCTION 78. Permitted materials 2021 formula 1 technical regulations 5 19 June 2020. 2020 F d ration Internationale de l'Automobile Issue 5. Roll structures Structure behind the driver Survival cell specifications Survival cell safety requirements ARTICLE 16: IMPACT TESTING 86. Conditions applicable to all impact tests Frontal test 1. Frontal test 2. Rear test Steering column test ARTICLE 17: ROLL STRUCTURE TESTING 89. Principal roll structure test Second roll structure attachments tests ARTICLE 18: STATIC LOAD TESTING 90.

8 Conditions applicable to all static load tests Survival cell side tests Survival cell floor test Cockpit floor test Cockpit rim tests Nose push off test Side intrusion test Rear impact structure push off test Side impact structure push off tests Side impact structure squeeze tests ARTICLE 19: FUEL 94. Purpose of Article 19. Definitions Properties Composition of the fuel Air Safety Fuel approval Sampling and testing at an Event ARTICLE 20: ENGINE OIL 97. Purpose of Article 20. 2021 formula 1 technical regulations 6 19 June 2020. 2020 F d ration Internationale de l'Automobile Issue 5. Definitions Properties Composition of the engine oil Safety Engine oil approval Sampling and testing at an Event ARTICLE 21: TELEVISION CAMERAS AND TIMING TRANSPONDERS 100.

9 Presence of cameras and camera housings Location and fitting of camera equipment Transponders Installation ARTICLE 22: COMPONENTS' CLASSIFICATION AND HOMOLOGATION 102. Definitions General Principles Listed Team Components (LTC). Standard Supply Components (SSC). Prescribed Design Components (PDC). Transferable Components (TRC) and Free Supply Components (FSC). Open Source Components (OSC). Homologated Components (HC) for 2021. Classification, homologation and perimeter of each group ARTICLE 23: FINAL TEXT 111. APPENDIX 1: DRAWINGS 112. APPENDIX 2: POWER UNIT SYSTEMS, FUNCTIONS AND COMPONENTS 116. APPENDIX 3: POWER UNIT ENERGY FLOW 119. APPENDIX 4: COMPONENTS' CLASSIFICATION, HOMOLOGATION STATUS AND PERIMETER 120.

10 APPENDIX 5: TERMS AND CONDITIONS FOR THE USE OF THE FIA SERVER 129. 2021 formula 1 technical regulations 7 19 June 2020. 2020 F d ration Internationale de l'Automobile Issue 5. ARTICLE 1: DEFINITIONS. FORMULA One Car An automobile designed solely for speed races on circuits or closed courses. Automobile A land vehicle running on at least four non-aligned complete wheels, of which at least two are used for steering and at least two for propulsion. Land vehicle A locomotive device propelled by its own means, moving by constantly taking real support on the earth's surface, of which the propulsion and steering are under the control of a driver aboard the vehicle.