Overtake Mode & Active Aero - Explaining F1's Updated Technical Language
The 2026 Formula 1 cars are expected to be more compact, agile and eco-conscious than this year.
Formula 1 has unveiled the official vocabulary that will be used to reference the technical complexities of its new 2026 regulations.
The championship is embarking on what is potentially the biggest rules overhaul in its long history for the 2026 campaign, featuring new chassis and engine rules and the required adoption of eco-friendly fuels.
The new power units, which retain the hybrid V6 layout, boast a greatly enhanced electrical capacity, necessitating significant developments in the aero packages.
During grand prix events, pilots will strategically manage ERS energy – including during flying laps – to secure the peak result.
Extensive fan consultation were carried out with a diverse audience, including dedicated enthusiasts and casual observers, to understand which phrases would aid comprehension of the main elements of the 2026 changes.
The stated goal was to render a set of intricate features of the competition as accessible as possible for the widest audience.
Consequently, initial designations for specific components – such as "x-mode and z-mode" for the active aerodynamics – have been discarded in favor of descriptive names that succinctly convey the real-world effect of the innovation.
Exploring the New Tech
Regulators explain that racers will have increased agency to choose strategies regarding energy deployment, energy recovery, and efficiency.
The 2026 rules feature a series of modes that will be shown on television graphics to aid the viewers' comprehension of the strategic duel.
- Attack Mode: This takes over from the present overtaking aid. It provides a short boost of battery power available when a driver is close behind the car ahead to assist with an overtaking maneuver.
- Power Mode: This is a manual energy deployment from the energy recovery system that can be utilized during offensive or defensive moves. It delivers the pilot full engine and battery energy at the push of a button.
Both of these crucial modes will have to be used with calculation, as the available electrical charge is restricted.
- Adjustable Aero: Both the nose and rear wings change configuration – opening on the straights for reduced drag and top speed, and sealing in the corners for maximum downforce.
- Energy Harvesting: Cars can replenish their battery with power recovered from braking, or during coasting at the conclusion of a straight or in sections where only reduced throttle is applied.
Car Design Evolution
The vehicles for the new era will be reduced in size and weight than this year, with a wheelbase reduced by 200mm to 3,400mm, overall width reduced by 100mm – down to 1,900mm – and the lowest permissible weight reduced by 30kg.
Cumulative downforce is expected to drop by approximately 15-30%, although constructors will naturally regain performance as they optimize their packages.
Air resistance has been reduced by 40%. The vehicles will utilize moveable wing elements – both wings will move on the straights to improve speed and increase straightline speed and revert into place for peak handling.
Pirelli tyres will retain the current rim size, but the rubber compounds will be narrower, by 25 millimetres on the front axle and three centimetres on the rear.
Power Unit Revolution
The 2026 engines will have an near-equal balance in energy output by the petrol engine and the electrical system, up from about 20% battery contribution this year.
The ERS setup is simplified through the elimination of the MGU-H, the intricate and expensive component that generated electricity from the exhaust turbo.
Every car on the grid will be obliged to compete on carbon-neutral fuel, produced using organic sources or synthetic production methods.