2026 Formula 1 Technical Regulations - Issue 8

Sep 18, 2026

2026 Formula 1 Technical Regulations define the regulatory framework for constructing and operating a Formula One car. The document, published on 24 June 2024 as Issue 8, details general principles, regulatory interpretation, and compliance duties, and provides definitions and fundamental dimensions. It specifies aerodynamic components, mass and ballast requirements, power unit and fuel system rules, oil and coolant and charge air cooling constraints, electrical and data/telemetry systems, and transmission, suspension, steering, wheels, tyres, brakes, survival cell, safety structures, equipment, and materials.

LanguageEnglish

CategoryResearch & Report

FormatPDF

Pages207

Reading Time8 h 42 min

AccessFree to download

ARTICLE 1: GENERAL PRINCIPLES

1.1 Formula One World Championship

1.2 Regulatory Framework

1.3 Interpretation of and amendments to these Technical Regulations

1.4 Dangerous construction

1.5 Compliance with the regulations

1.6 New systems or technologies

1.7 Duty of Competitor and PU Manufacturer

ARTICLE 2: DEFINITIONS and FUNDAMENTAL DIMENSIONS

2.1 Formula One Car

2.2 Competition

2.3 Component classification categories

2.4 Power unit

2.5 Power train

2.6 Coordinate systems and conventions

2.7 Principal planes

2.8 Fundamental Dimensions

2.9 Reference Volumes and Surfaces

2.10 Precision of Numerical Values

ARTICLE 3: AERODYNAMIC COMPONENTS

3.1 Definitions

3.2 General Principles

3.3 Legality Checking

3.4 Component Definition

3.5 Floor Bodywork

3.6 Plank

3.7 Front Bodywork

3.8 Rear Bodywork

3.9 Tail and Exhaust Tailpipe

3.10 Front Wing (FW)

3.11 Rear Wing (RW)

3.12 Final Assembly

3.13 Bodywork not defined in Articles 3.5 to 3.12

3.14 Wheel Components

3.15 Wheel Bodywork Assembly

3.16 Apertures

3.17 Suspension and Driveshaft Fairings

3.18 Aerodynamic Component Flexibility

ARTICLE 4: MASS

4.1 Definitions

4.2 Minimum mass

4.3 Mass distribution

4.4 Ballast

4.5 Adding during the race or sprint session

4.6 Reference Mass of the driver and Driver Ballast

ARTICLE 5: POWER UNIT

5.1 Definitions ICE

5.2 Definitions ERS

5.3 Engine specification

5.4 POWER UNIT ENERGY FLOW

5.5 Turbo Charger

5.6 Power unit geometrical constraints and dimensions

5.7 Mass and centre of gravity

5.8 Engine intake air

5.9 Variable geometry systems

5.10 Exhausts

5.11 Fuel systems

5.12 Ignition systems

5.13 Ancillaries

5.14 Power unit torque or power demand

5.15 Power unit control

5.16 Engine high rev limits

5.17 Starting the engine

5.18 Stall prevention systems

5.19 Energy Recovery System (ERS)

5.20 MGU-K

5.21 Energy Store

5.22 ES design and installation

5.23 ERS General electrical safety

5.24 Replacing power unit parts

5.25 Oil and coolant systems and charge air cooling

5.26 Component Classification

ARTICLE 6: FUEL SYSTEM

6.1 Fuel tanks

6.2 Fittings and piping

6.3 Fuel tank fillers

6.4 Refuelling

6.5 Fuel draining and sampling

6.6 Fuel System Hydraulic Layout

ARTICLE 7: OIL AND COOLANT SYSTEMS AND CHARGE AIR COOLING

7.1 Location of lubricating oil tanks

7.2 Location of lubricating oil system

7.3 Oil and coolant lines

7.4 Heat exchangers

ARTICLE 8: ELECTRICAL SYSTEMS

8.1 Definitions

8.2 Software and electronics inspection

8.3 Control electronics

8.4 Start systems

8.5 Data acquisition

8.6 Telemetry

8.7 Driver inputs and information

8.8 Master switch

8.9 Driver radio

8.10 Accident analysis

8.11 Accident data

8.12 FIA Marshalling system

8.13 Track signal information display

8.14 Medical warning system

8.15 Installation of electrical systems or components

8.16 Timing transponders

8.17 Cameras and camera housings

8.18 Electromagnetic radiation

8.19 Sensor signals

ARTICLE 9: TRANSMISSION SYSTEM

9.1 Definitions

9.2 Fundamental provisions

9.4 Clutch control

9.5 Clutch disengagement

9.6 Homologated Gearbox and Component Classification

9.7 Gearbox Dimensions

9.8 Gear ratios

9.9 Reverse gear

9.10 Gear changing

9.11 Torque transfer systems

9.12 Driveshafts

9.13 Driveshaft Torque Sensors

9.14 Structural Connection to Survival Cell

ARTICLE 10: SUSPENSION, STEERING SYSTEMS, WHEELS AND TYRES

10.1 Definitions

10.2 Sprung suspension

10.3 Outboard suspension

10.4 Inboard suspension

10.5 Steering

10.6 Suspension Uprights

10.7 Wheel rims

10.8 Tyres

10.9 Wheel attachment and retention

10.10 Dimensions

ARTICLE 11: BRAKE SYSTEM

11.1 Brake circuits and pressure distribution

11.2 Brake callipers

11.3 Brake discs and pads

11.4 Brake pressure modulation

11.5 Liquid cooling

11.6 Rear brake control system

11.7 Supply of Brake Friction and Brake System Hydraulic components

ARTICLE 12: SURVIVAL CELL

12.1 Definitions and General Requirements

12.2 Survival cell specifications

12.3 Intrusion Protection

12.4 Roll Structures

12.5 Cockpit Specification

12.6 Cockpit Padding

12.7 Seat fixing and removal

12.8 Driver Fit Information

ARTICLE 13: SAFETY STRUCTURES AND HOMOLOGATION

13.1 General Principles

13.2 Survival Cell Frontal Impact Test

13.3 Roll Structure Testing

13.4 Survival Cell Load Tests

13.5 Side Impact Structure

13.6 Front Impact Structure

13.7 Rear Impact Structure

13.8 Steering Column Impact Test

13.9 Headrest Load Test

13.10 Wheel Rim Impact Test

ARTICLE 14: SAFETY EQUIPMENT

14.1 Fire Extinguishers

14.2 Rear view mirrors

14.3 Rear lights

14.4 Safety Tethers

14.5 Safety Harnesses

14.6 Driver Cooling Systems

14.7 Lateral Safety lights

ARTICLE 15: MATERIALS

15.1 Definitions

15.2 General Principles

15.3 Permitted Materials (Components Outside the PU Perimeter)

15.4 Specific Prohibitions and Restrictions (Components Outside the PU Perimeter)

15.5 Specific Exceptions (Components Outside the PU Perimeter)

15.6 Prescribed and Homologated Laminates (Components Outside the PU Perimeter)

15.7 Materials, processes and construction – General (Components inside the PU Perimeter)

15.8 Materials and construction – Components (Components inside the PU Perimeter)

15.9 Materials and construction – Pressure charging and exhaust systems (Components inside the PU Perimeter)

15.10 Materials and construction – Energy

2026 FORMULA 1 TECHNICAL REGULATIONS PUBLISHED ON 24 JUNE 2024 ISSUE 8 Convention: Black text: 20264 F1 Technical Regulations as approved by the WMSC on 16/08/22, 03/03/23, 20/06/23, 25/10/23, 06/12/23, 29/03/24, and 11/06/24 . Blue text: New articles added at this issue (Chassis) . Approved by WMSC on 21/06/24 . Green Text: Comments – not regulatory. CONTENTS: ARTICLE 1: GENERAL PRINCIPLES 7 1.1 Formula One World Championship 1.2 Regulatory Framework 1.3 Interpretation of and amendments to these Technical Regulations 1.4 Dangerous construction 1.5 Compliance with the regulations 1.6 New systems or technologies 1.7 Duty of Competitor and PU Manufacturer ARTICLE 2: DEFINITIONS and FUNDAMENTAL DIMENSIONS 10 2.1 Formula One Car 2.2 Competition 2.3 Component classification categories 2.4 Power unit 2.5 Power train 2.6 Coordinate systems and conventions 2.7 Principal planes 2.8 Fundamental Dimensions 2.9 Reference Volumes and Surfaces 2.10 Precision of Numerical Values ARTICLE 3: AERODYNAMIC COMPONENTS 13 3.1 Definitions 3.2 General Principles 3.3 Legality Checking 3.4 Component Definition 3.5 Floor Bodywork 3.6 Plank 3.7 Front Bodywork 3.8 Rear Bodywork 3.9 Tail and Exhaust Tailpipe 3.10 Front Wing (FW) 3.11 Rear Wing (RW) 3.12 Final Assembly 3.13 Bodywork not defined in Articles 3.5 to 3.12 3.14 Wheel Components 3.15 Wheel Bodywork Assembly 3.16 Apertures 3.17 Suspension and Driveshaft Fairings 3.18 Aerodynamic Component Flexibility ARTICLE 4: MASS 42 4.1 Definitions 4.2 Minimum mass 4.3 Mass distribution 4.4 Ballast 4.5 Adding during the race or sprint session 4.6 Reference Mass of the driver and Driver Ballast ARTICLE 5: POWER UNIT 44 5.1 Definitions ICE 5.2 Definitions ERS 5.3 Engine specification 5.4 POWER UNIT ENERGY FLOW 5.5 Turbo Charger 5.6 Power unit geometrical constraints and dimensions 5.7 Mass and centre of gravity 5.8 Engine intake air 5.9 Variable geometry systems 5.10 Exhausts 5.11 Fuel systems 5.12 Ignition systems 5.13 Ancillaries 5.14 Power unit torque or power demand 5.15 Power unit control 5.16 Engine high rev limits 5.17 Starting the engine 5.18 Stall prevention systems 5.19 Energy Recovery System (ERS) 5.20 MGU-K 5.21 Energy Store 5.22 ES design and installation 5.23 ERS General electrical safety 5.24 Replacing power unit parts 5.25 Oil and coolant systems and charge air cooling 5.26 Component Classification ARTICLE 6: FUEL SYSTEM 68 6.1 Fuel tanks 6.2 Fittings and piping 6.3 Fuel tank fillers 6.4 Refuelling 6.5 Fuel draining and sampling 6.6 Fuel System Hydraulic Layout ARTICLE 7: OIL AND COOLANT SYSTEMS AND CHARGE AIR COOLING 72 7.1 Location of lubricating oil tanks 7.2 Location of lubricating oil system 7.3 Oil and coolant lines 7.4 Heat exchangers ARTICLE 8: ELECTRICAL SYSTEMS 74 8.1 Definitions 8.2 Software and electronics inspection 8.3 Control electronics 8.4 Start systems 8.5 Data acquisition 8.6 Telemetry 8.7 Driver inputs and information 8.8 Master switch 8.9 Driver radio 8.10 Accident analysis 8.11 Accident data 8.12 FIA Marshalling system 8.13 Track signal information display 8.14 Medical warning system 8.15 Installation of electrical systems or components 8.16 Timing transponders 8.17 Cameras and camera housings 8.18 Electromagnetic radiation 8.19 Sensor signals ARTICLE 9: TRANSMISSION SYSTEM 83 9.1 Definitions 9.2 Fundamental provisions 9.4 Clutch control 9.5 Clutch disengagement 9.6 Homologated Gearbox and Component Classification 9.7 Gearbox Dimensions 9.8 Gear ratios 9.9 Reverse gear 9.10 Gear changing 9.11 Torque transfer systems 9.12 Driveshafts 9.13 Driveshaft Torque Sensors 9.14. Structural Connection to Survival Cell ARTICLE 10: SUSPENSION, STEERING SYSTEMS, WHEELS AND TYRES 90 10.1 Definitions 10.2 Sprung suspension 10.3 Outboard s

FAQs

What does Issue 8 of the 2026 Formula 1 Technical Regulations specify?

Issue 8 sets out the technical rules for building and complying with the 2026 Formula One car, including how regulations are interpreted and applied across major vehicle systems and safety requirements.

How are safety and survival cell requirements covered in the document?

Safety provisions are detailed through dedicated sections on the survival cell, safety structures and homologation, including impact tests, load tests, and specified safety equipment.

What technical systems are governed beyond the aerodynamics?

The regulations include mass and ballast rules, the power unit, fuel system, oil and coolant and charge air cooling, electrical systems with data and telemetry, transmission, suspension/steering, wheels and tyres, and the brake system.

Sep 18, 2026

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