The 2026 Formula 1 season will bring a car concept that’s radically different from what we see today, both technically and from a sporting perspective. The biggest challenge will be managing the battery charge, which must power an electric motor three times stronger than the current one, without the ability to recover energy from the turbo. According to the Italian media, this issue is already influencing design choices and approaches to active aerodynamics, and it could even jeopardize Monza’s reputation as the Temple of Speed.
Efficiency matters more than power
In the paddock, rumors are swirling about which team currently has the best-performing engine on the dyno. Never before has the exit of Renault and the creation of power unit departments at Audi and Red Bull-Ford sparked such a widespread reshuffling of personnel and knowledge across engine manufacturers. It’s widely believed that Mercedes is the current benchmark, closely followed by Ferrari, although establishing a clear hierarchy remains difficult. Peak power will not be the decisive factor—energy efficiency will matter far more.
A key challenge will be recharging the battery to power the hybrid system, which will produce 350 kW—far more than the current 120 kW. Managing energy shouldn’t be a problem on twistier tracks, but on faster ones, the power unit won’t always be able to run at full capacity, and teams will need to carefully ration battery use over the course of a lap. “On paper, Monza will no longer be the Temple of Speed,” Aston Martin’s Engineering Director Luca Furbatto said in an interview for the Italian website FormulaPassion. Under the sporting regulations, the control unit cannot abruptly cut too much power on straights, but nothing stops teams from instructing drivers to lift off the throttle well before the braking point.
However, changing the regulations just months before the cars debut is not a viable option. The plan is to proceed with the current version and assess possible adjustments later. Among the ongoing discussions is how to support lagging engine manufacturers, whose performance will be monitored using torque and power sensors mounted on the driveshafts.
Synergy between aerodynamics and engine
Energy management is also affecting the approach to active aerodynamics, which from 2026 will involve both front and rear wings and will be three times more powerful than the current DRS. Today’s movable wing is mainly a tool to gain speed on straights and assist overtaking, but in the 2026 cars, wing opening will serve as a key element in energy management—lowering drag and consumption on the straights. Teams are working on different aerodynamic efficiency targets for open- and closed-wing configurations. The advantage will go to those who best exploit the aerodynamic interaction between the front and rear wing openings, possibly altering airflow structures to also reduce body drag.
Having the best power unit won’t guarantee success, as much will depend on how well it integrates with the rest of the car. Engineers agree that the 2026 cars will require perfect synergy between engine and aerodynamics, with energy management shaping the car concept. Chasing maximum downforce does not seem to be the winning path. Besides increasing drag and consumption on the straights, too much grip would raise mid-corner speeds and shorten braking zones—where the cars actually need prolonged deceleration to recharge the battery.
All of this contributes to a scenario in which the aerodynamic load projections vary greatly not only among teams but also compared to FIA estimates. It’s no surprise that several aspects of the aerodynamic and chassis regulations are still being finalized, creating significant headaches for all involved.
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