🔗 Share this article Overtake Mode & Active Aero - Understanding F1's New Technical Language The 2026 Formula 1 cars are designed to be more compact, agile and eco-conscious than this year. Formula 1 has introduced the official language that will be used to explain the advanced features of its upcoming 2026 technical rules. The championship is embarking on what is considered the most significant technical shift in its illustrious history starting in 2026, featuring fresh chassis and power unit regulations and the compulsory introduction of eco-friendly fuels. The revised engines, which maintain the 1.6-litre V6 configuration, boast a significantly increased battery power, driving major innovations in the aero packages. During grand prix events, drivers will tactically deploy ERS energy – sometimes even hot laps – to secure the optimal performance. Extensive fan consultation were conducted with a mix of viewers, including long-time followers and newcomers, to understand which terminology would make things clearer of the key features of the new regulations. The key objective was to present a set of intricate technical aspects of the racing as straightforward as possible for the widest audience. Consequently, previous placeholder terms for some systems – such as "modes labelled X and Z" for the moveable wings – have been discarded in favor of descriptive names that clearly indicate the primary purpose of the technology. Key Technical Innovations According to rule-makers that racers will have increased agency to determine tactics regarding energy deployment, energy recovery, and efficiency. The 2026 rules feature 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 present overtaking aid. It provides a surge of additional ERS power available when a competitor is within one second the vehicle in front to facilitate an overtake. Power Mode: This is a driver-operated power boost from the hybrid system that can be deployed for attack or defence. It grants the pilot full engine and battery energy at the activation of a control. Both of these strategic tools will have to be used with calculation, as the available electrical charge is capped. Active Aerodynamics: Both the nose and rear wings move automatically – spreading on the straights for reduced drag and increased velocity, and angling down in the bends for peak grip. Energy Harvesting: The system can harvest energy with energy harvested under braking, or during throttle lift at the straight's end or in certain corners where only partial power is applied. 2026 Car Specifications The 2026 cars will be more compact and lighter relative to current models, with a car length cut by 200mm to 3,400mm, width narrowed by 100mm – down to 1,900mm – and the lowest permissible weight lowered by 30kg. Cumulative downforce is expected to drop by approximately a significant margin, although teams will naturally regain performance as they optimize their packages. Aerodynamic drag has been slashed by 40%. The cars will utilize adjustable aero systems – both wings will open on the straights to improve speed and increase straightline speed and revert into place for optimal grip in corners. Tyres will retain 18-inch wheel rims, but the actual tyres will be reduced in width, by 25 millimetres on the front axle and three centimetres on the rear. What's Changing in the Engines? The 2026 engines will have an near-equal balance in power produced by the ICE and the ERS, increasing from about 20% electrical this year. The energy recovery system is simplified through the deletion of the MGU-H, the sophisticated and pricey component that generated electricity from the exhaust turbo. Cars will be mandated to operate on fully sustainable fuel, manufactured from organic sources or synthetic production methods.