Ferrari has made some small progress within the final two races of the 2025 Formulation 1 season. The updates to the ground, though nonetheless inadequate, have allowed Charles Leclerc to enhance his race efficiency, due to a much less unstable rear finish. Nevertheless, the slim setup window forces the Maranello crew to make compromises, as seen on the 6.174-kilometre Jeddah Corniche Circuit in Saudi Arabia, the place the setup was partially determined to swimsuit the Saudi format.
Moreover, the dynamic efficiency of the SF-25 single-seater considerably relies on aerodynamic selections, which fluctuate relying on the monitor. Particularly, with much less downforce settings, the mixed grip of the tires is sharply decreased, each longitudinally and laterally. In easy phrases, this refers to a possible lack of aero-mechanical interplay, which may solely be addressed with the aerodynamic updates that needs to be launched by the Maranello engineers and technicians within the Emilia Romagna Grand Prix weekend on the Imola circuit.
Going into extra element, it’s identified that vertical downforce helps generate grip on the bottom by way of the suspension’s work. Relying on the chosen static angles for the tires, dynamic behaviors are primarily ruled by camber restoration, geared toward stabilizing the automobile with respect to load shifts and lateral acceleration.
what occurred between the Bahrain Grand Prix and the Saudi Arabian Grand Prix, it’s evident that the Italian automobile confirmed completely different habits in medium-speed corners. Except for the endemic understeering difficulty on entry, telemetry reveals Charles Leclerc‘s struggles on nook exit. As usually occurs, the Monegasque driver is aggressive on entry, gaining on his opponents.
Nevertheless, he suffers notably when the Ferrari accelerates with steering angle. This, even though Charles Leclerc’s driving type suffers extra in comparison with Lewis Hamilton’s. On the Bahrain Worldwide Circuit, the upper load helped handle the mixed traction, whereas in Jeddah, this was missing, and the proper mass setup was not discovered to optimize the tire contact patch.
In medium-speed corners, the place vertical downforce will not be excessive, the tires are pressured each laterally and longitudinally as a result of traction. The results of these forces should equal the vertical drive, offered by downforce, load switch, and the car’s mass on every tire, multiplied by the grip coefficient between rubber and monitor floor. From this evaluation, it may be concluded that McLaren, and particularly Crimson Bull, regardless of struggling different kinds of issues that they’ll attempt to deal with with the upcoming aerodynamic replace bundle for Imola, are extra environment friendly at producing downforce in these monitor sections. This enables them to have a better quantity of mixed grip and optimum traction part.
Furthermore, we all know that grip era by the tires is proportional to the slip angle. In different phrases, that is the angle between the tire’s course and the automobile’s precise racing line. Ferrari struggles extra with managing this, because it doesn’t have the identical baseline vertical downforce as the opposite prime groups, as confirmed by Charles Leclerc final weekend in Saudi Arabia.
An extra clarification should be made concerning the grip offered by the tires in gradual corners, the place longitudinal traction is vital. In Saudi Arabia, this side was identified, however it doesn’t truly symbolize an actual efficiency deficit for the Ferrari. The SF-25 automobile doesn’t have issues in terms of offering non-combined grip, akin to in nook 1 exits. Quite the opposite, the Ferrari single-seater has loads of longitudinal grip however much less lateral grip. To resolve these points on medium-to-low aerodynamic load circuits, the Maranello crew might want to effectively extract downforce from the ground. This manner, the setup working window may be widened, permitting for improved mixed grip and, consequently, efficiency in medium-speed corners.
— see video above —