Overtake Mode & Active Aero - Decoding F1's Fresh Regulatory Language

Conceptual image of a future Formula 1 car

The 2026 Formula 1 cars are set to be smaller, nimbler and more environmentally friendly relative to present-day cars.

F1 has introduced the simplified terminology that will be used to explain the advanced features of its upcoming 2026 rulebook.

The racing series is embarking on what is considered the biggest technical shift in its illustrious history starting in 2026, featuring new chassis and engine rules and the required adoption of eco-friendly fuels.

The updated 1.6-litre V6 turbo hybrids, which keep the 1.6-litre V6 turbo hybrid, boast a greatly enhanced battery power, requiring major innovations in the vehicles' aerodynamic design.

During grand prix events, drivers will strategically manage ERS energy – sometimes even hot laps – to secure the peak performance.

Broad surveys were conducted with a diverse audience, including new, casual and core fans, to understand which terms would make things clearer of the key features of the upcoming rules.

The stated goal was to present a series of complex new areas of the sport as straightforward as possible for the global fanbase.

Consequently, initial designations for certain devices – such as "alphabetical mode names" for the moveable wings – have been phased out in favor of straightforward terms that directly explain the primary purpose of the system.

Exploring the New Tech

Regulators explain that racers will have greater control to determine tactics regarding battery management, regeneration, and efficiency.

The upcoming changes mandate a set of functions that will be shown on TV overlays to enhance the fans' insight of the on-track action.

  • Attack Mode: This supersedes the present overtaking aid. It provides a surge of additional ERS power accessible when a competitor is within one second the vehicle in front to execute an overtake.
  • Power Mode: This is a on-demand power boost from the ERS that can be deployed for attack or defence. It delivers the driver maximum power at the activation of a control.

Both of these key functions will have to be deployed strategically, as the total energy is strictly limited.

  • Active Aerodynamics: Both the car's wings adjust their angles – flattening on the long straight sections for low aerodynamic resistance and higher speed, and closing in the bends for peak grip.
  • Energy Harvesting: Drivers can harvest energy with regenerative braking, or during partial power application at the straight's end or in corners where only reduced throttle is applied.

2026 Car Specifications

The 2026 cars will be reduced in size and weight than this year, with a wheelbase cut by 200mm to 3,400mm, width narrowed by 100mm – down to 1,900mm – and the car weight reduced by 30kg.

Total aerodynamic grip is anticipated to be reduced by approximately 15-30%, although teams will undoubtedly recover some as they refine their designs.

Air resistance has been slashed by 40%. The cars will employ active aerodynamics – both wings will adjust on the straights to cut resistance and increase straightline speed and click back into place for maximum cornering performance.

Tyres will keep the current rim size, but the actual tyres will be reduced in width, by 25mm at the front and 30mm at the rear.

Power Unit Revolution

The new power units will have an approximate 50-50 split in horsepower generated by the ICE and the ERS, up from about one-fifth electric power in the current formula.

The ERS setup is simplified through the deletion of the Motor Generator Unit – Heat, the intricate and expensive unit that recovered energy from the exhaust turbo.

All vehicles will be required to run on 100% sustainable fuel, created from organic sources or lab-created processes.

Ashley Archer
Ashley Archer

Elara is a certified mixologist with over a decade of experience in craft cocktail creation and bar management.