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

The world of Formula 1 has introduced the official terminology that will be used to describe the intricate details of its new 2026 technical rules.

The sport is embarking on what is potentially the biggest rules overhaul in its illustrious history starting in 2026, featuring fresh chassis and power unit regulations and the required adoption of 100% sustainable fuels.

The updated 1.6-litre V6 turbo hybrids, which retain the hybrid V6 layout, boast a substantially higher battery power, necessitating major innovations in the aero packages.

Throughout races, competitors will tactically deploy ERS energy – including during flying laps – to secure the peak performance.

Broad surveys were undertaken with a diverse audience, including dedicated enthusiasts and casual observers, to determine which phrases would improve understanding of the central aspects of the 2026 changes.

The primary aim was to render a series of complex features of the sport as straightforward as possible for the widest audience.

Consequently, older technical labels for some systems – such as "x-mode and z-mode" for the adjustable aero – have been discarded in preference for descriptive names that directly explain the primary purpose of the system.

Key Technical Innovations

Regulators explain that racers will have more power to make decisions regarding energy deployment, energy recovery, and conservation.

The new regulations introduce a range of settings that will be clearly indicated on TV overlays to enhance the audience's understanding of the strategic duel.

• Attack Mode: This takes over from the existing Drag Reduction System. It provides a short boost of battery power available when a competitor is close behind the vehicle in front to facilitate an overtake.
• Power Mode: This is a driver-operated power boost from the ERS that can be utilized during offensive or defensive moves. 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 overall battery capacity is capped.

• Active Aerodynamics: Both the nose and rear wings adjust their angles – flattening on the straights for minimal air resistance and top speed, and angling down in the turns for optimal cornering performance.
• Energy Harvesting: Cars can harvest energy with regenerative braking, or during coasting at the end of straights or in sections where only partial power is applied.

Car Design Evolution

The vehicles for the new era will be reduced in size and weight relative to current models, with a car length reduced by 200mm to 3,400mm, car width cut by 100mm – down to 1,900mm – and the minimum weight reduced by 30kg.

Overall downforce is projected to decrease by approximately fifteen to thirty percent, although constructors will naturally regain performance as they refine their designs.

Air resistance has been slashed by 40%. The vehicles will feature moveable wing elements – both wings will move on the straight sections to reduce drag and enhance velocity and click back into place for maximum cornering performance.

Pirelli tyres will retain 18-inch rims, but the actual tyres will be reduced in width, by 25mm at the front and three centimetres on the rear.

2026 Engine Regulations

The 2026 engines will have an approximate 50-50 split in power produced by the petrol engine and the electrical system, increasing from about 20% battery contribution in the current formula.

The energy recovery system is simplified through the removal of the complex turbo energy recovery device, the sophisticated and pricey component that recovered energy from the exhaust turbo.

Every car on the grid will be obliged to compete on fully sustainable fuel, manufactured from biomass or synthetic production methods.