If there was one workforce that basically stunned the System 1 paddock with its imaginative designs throughout pre-season testing, it was Ferrari.
In Bahrain, the Scuderia not solely introduced a brand new characteristic to the realm behind the exhaust, designed to profit from the amount allowed by the new-for-2026 laws, but additionally a rear wing with an modern opening mechanism because it flips 180 levels.
However past this, there are different equally attention-grabbing facets to discover with the SF-26, beginning with the way in which during which your complete management system that permits the wing to maneuver has been redesigned. To make sure a 180-degree rotation, Ferrari’s engineers needed to design a totally completely different actuator: it may not be the central one positioned on the mainplane, which might have restricted motion due to the bodily house it occupied.
So for that reason, the engineers built-in the actuator that controls the motion of the flaps instantly contained in the endplate. That is an especially refined design, which additionally has to resist very excessive hundreds. Usually, rear actuators are reasonably cumbersome, to the purpose that some groups attempt to masks any losses as a result of management by redesigning the central part of the final component.
It’s paying homage to Mercedes in 2011, when the Brackley-based outfit offered an actuator positioned within the endplates and this was controversial on the time, as a result of it was the start line for the German marque’s ultimately banned double DRS. Ferrari clearly did not use that as the premise for creating the rotating rear wing, however it’s attention-grabbing how sure ideas from the previous can re-emerge.
The essential idea is completely different, as is its implementation, because the SF-26’s management system should assure a rotation of 180 levels and, when closed, it should work with considerably greater hundreds – not solely due to the upper prime speeds, but additionally as a result of the flaps are a lot bigger.
Additionally contemplating that on some tracks the system can be activated as much as 4 instances per lap, will probably be used extra incessantly than up to now, so reliability will change into a crucial difficulty. All this places a totally miniaturised management contained in the endplate to the take a look at, which, based on laws, should nonetheless assure a security mechanism able to returning the movable flaps to the closed place within the occasion of a malfunction.
To create the brand new wing, nonetheless, shifting the actuator was not the one intervention made by Ferrari. Within the comparability, it may be seen that the pivot on which the wing rotates has been moved extra in direction of the centre, on the level the place it connects to the actuator, whereas the tip of the primary component has been enlarged to accommodate this new geometry.
On the regulatory degree, there was additionally dialogue in regards to the chance that this wing exceeds the utmost permitted quantity, particularly throughout rotation, when at a sure level it turns into nearly vertical. However the laws, exactly due to the liberty granted to groups to scale back drag on the straights and thus restrict power consumption, have opened up new design potentialities, with the FIA giving its authorized approval to the answer.
Even at present, there’s a quantity inside which the wing should stay when closed, however when opened, the laws present for some exceptions. Ranging from a key level: the wing not has to stay fully throughout the regulatory field throughout motion, thus guaranteeing larger freedom of rotation.
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