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Active Aero & Overtake Mode - Explaining F1's Updated Regulatory Language

Conceptual image of a future Formula 1 car

The 2026 cars are expected to be more compact, agile and eco-conscious than this year.

The world of Formula 1 has revealed the simplified terminology that will be used to explain the technical complexities of its new 2026 technical rules.

The racing series is introducing what is considered the largest rules overhaul in its illustrious history starting in 2026, featuring fresh chassis and power unit regulations and the compulsory introduction of fully sustainable fuels.

The new power units, which maintain the 1.6-litre V6 turbo hybrid, boast a substantially higher battery power, driving significant developments in the cars' aerodynamics.

Over a race distance, drivers will tactically deploy ERS energy – including during qualifying laps – to achieve the optimal lap time.

Wide-ranging research were conducted with a wide range of fans, including dedicated enthusiasts and casual observers, to identify which phrases would make things clearer of the key features of the 2026 changes.

The stated goal was to render a set of intricate features of the sport as straightforward as possible for the widest audience.

Consequently, initial designations for specific components – such as "alphabetical mode names" for the moveable wings – have been phased out in favor of straightforward terms that clearly indicate the primary purpose of the innovation.

What's the New Technology?

The FIA states that drivers will have more power to determine tactics regarding battery management, harvesting, and saving energy.

The new regulations mandate a series of modes that will be clearly indicated on TV overlays to aid the viewers' comprehension of the on-track action.

  • Attack Mode: This supersedes the existing Drag Reduction System. It provides a short boost of battery power available when a driver is within one second the vehicle in front to execute an overtaking maneuver.
  • Extra Push Mode: This is a manual power boost from the energy recovery system that can be utilized during offensive or defensive moves. It provides the pilot maximum power at the activation of a control.

Both of these strategic tools will have to be used with calculation, as the overall battery capacity is strictly limited.

  • Active Aerodynamics: Both the nose and rear wings adjust their angles – opening on the straights for reduced drag and higher speed, and closing in the turns for optimal cornering performance.
  • Energy Harvesting: Cars can replenish their battery with power recovered from braking, or during throttle lift at the conclusion of a straight or in corners where only limited engine output is applied.

2026 Car Specifications

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

Cumulative downforce is expected to drop by approximately fifteen to thirty percent, although constructors will inevitably claw this back as they develop their cars.

Aerodynamic drag has been cut by 40%. The vehicles will feature moveable wing elements – both wings will adjust on the straights to improve speed and boost top speed and click back into place for peak handling.

Pirelli tyres will continue to use the current rim size, but the tyres themselves will be narrower, by 25mm at the front and 30mm at the rear.

Power Unit Revolution

The revised hybrid units will have an roughly half-and-half distribution in power produced by the petrol engine and the battery and motor, up from about 20% electrical in the current formula.

The energy recovery system is made less complex through the elimination of the MGU-H, the complicated and costly device that harvested power from the exhaust turbo.

Cars will be required to run on carbon-neutral fuel, created from organic sources or synthetic industrial processes.

JD
By

Jason Davis

Elena Hartwell is a London-based journalist specializing in political analysis and cultural commentary with over a decade of experience.

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