SF-26: THE IMPORTANCE OF THE MECHANICAL PLATFORM

The first official appearances of the 2026 single-seaters are beginning to offer a few interesting clues, even though they are still far from their final configurations. From an aerodynamic standpoint, the picture remains largely undefined: the solutions seen so far will be heavily revised before the season debut, with shapes and volumes destined to change significantly. On the mechanical side, however, the margins of uncertainty are far smaller.

The chassis and suspension layouts are structural choices that are difficult to overturn once the project is underway. This is where the true design philosophies start to emerge. The previous generation of Formula 1 cars was heavily shaped by the need to maximize floor efficiency, pushing many teams toward a very specific philosophy: front pull-rod suspension, a rearward cockpit position, and an overall configuration closely aligned with the highly successful Red Bull concept. It became an almost mandatory solution—except for those, like Ferrari, who arrived there when the window for recovery was already extremely narrow.

With the new regulations, however, a different and more balanced phase seems to be opening up, one in which aerodynamics no longer dictate every single design decision. In this context, the SF-26 is a car that clearly places strong emphasis on the quality of its mechanical platform.

Ferrari stands out with a particularly low chassis and a more forward cockpit position. This philosophy echoes that of Mercedes and Ferrari’s own 2022 car—solutions that at the time revealed clear limitations, but which must now be interpreted within a completely different technical framework.

On the SF-26, the very low mounting point of the front lower wishbone immediately catches the eye, almost parallel to the road surface, with a significant vertical separation from the upper wishbone. Mercedes, by contrast, has opted to keep the chassis as high as possible (within regulatory limits), concentrating the suspension pick-up points in a more compact and elevated area. This approach promotes cleaner, more continuous airflow beneath the chassis, but it also introduces compromises in dynamic behavior.

Under braking, for example, a suspension geometry with less favorable angles requires greater stiffness to control pitch. The same principle applies during lateral load phases. Ferrari, instead, has worked toward a potentially more balanced platform, offering greater scope for setup adjustments and a more progressive response.

This layout has also allowed for a pronounced inclination of the upper wishbone, enhancing the front anti-dive effect. These are not opposing concepts, but rather different interpretations of the same technical foundation, guided by distinct priorities. Only on-track work will determine which approach proves more effective.

It is clear that, especially in the early stages, other factors may have a greater impact on overall performance—most notably the power unit and energy recovery management. However, in a tightly packed field, solutions like these can make a meaningful difference.

Ferrari has also chosen to orient the project around driver feedback. After an SF-25 that was often hampered by pronounced understeer, Lewis and Charles asked for a car that is more honest, more communicative, and less filtered.

It is worth restating a simple truth: no top-level driver enjoys an understeering car, just as no one wants an unstable rear end at high speed—despite certain clichés that continue to circulate.

If these new Formula 1 cars do end up behaving more like those of the penultimate generation—albeit with lower overall downforce—then Ferrari may well have chosen to take a risk in the right direction. And this can be said without being swept away by the superficial enthusiasm of a year ago, fueled by fan-driven stopwatch readings at Fiorano and overly imaginative interpretations of test data.

© Simone Marchetti Cavalieri