The countdown to the disclosing of Ferrari’s new SF-25 on Wednesday, February 19, has formally began. Ferrari crew boss Frederic Vasseur had already confirmed the insights gathered by the Italian web site AutoRacer.it throughout the growth of challenge 677: “Within the fourth 12 months of this technical cycle, we’ve a wealth of information at our disposal, and the 2025 automobile might be solely new.” The French Staff Principal additionally disclosed {that a} mere 1% of the 2024 automobile can be carried over to the SF-25. This can be a blunt manner of indicating that the 2025 automobile’s growth is akin to ranging from scratch, drawing solely on the in depth data collected over the previous three seasons. This message was additionally clearly conveyed by Frederic Vasseur to the technical crew. The workers, headed by Loic Serra, Ferrari’s new Technical Director, Diego Tondi, chargeable for the aerodynamic division, and Fabio Montecchi, the Chief Undertaking Engineer, has launched daring choices aimed toward making the 2025 season not only a transitional 12 months however a major step ahead earlier than the key modifications anticipated in 2026.
The SF-25 introduces substantial modifications on the outside, whereas the inside stays much less revolutionary: targeted changes to cooling programs are deliberate, however the extremely environment friendly triangular airbox is prone to keep. The SF-24 was already a automobile that marked a serious departure from Ferrari’s earlier designs, with aerodynamics considerably revamped following the problems confronted by the outdated 2023 automobile. In keeping with educated technical sources, “these rules nonetheless have untapped potential,” that means there’s nonetheless appreciable room for enchancment. Whereas this course of is undoubtedly difficult, there’s a consensus that when the right path is recognized, important positive factors can comply with. Ferrari’s technique revolves round aggressively adopting the entrance pull-rod, not simply to beat the intense limitations that the SF-24 endured all through the season, significantly concerning tire administration. The redistribution of mass, nonetheless, is something however easy and would require time and cautious studying to completely optimize the automobile’s setup.
In distinction to this, the rear part of the SF-25 has not undergone a drastic reconfiguration of its inner mechanics, however reasonably a extra delicate and exact evolution in keeping with the crew’s aims. Equally, the automobile’s central construction has not skilled an entire overhaul. Whereas different groups, corresponding to Williams (and others), have opted to redistribute the automobile’s mass, with the FW47 notably eliminating the big central radiator positioned behind the airscoop, Ferrari has chosen to not undertake such a heavy redistribution of cooling elements. As a substitute, the crew has targeted on additional optimizing the prevailing cooling setup. This choice maintains the automobile’s unique character whereas permitting changes that accommodate different modifications, such because the modifications made to the chassis that have an effect on the cooling system format.
There isn’t a drastic transformation akin to Crimson Bull’s 2024 overhaul, which included an intensive redistribution of radiators throughout the RB20, a transfer that, though it posed challenges for the Milton Keynes crew, finally helped clear up cooling points, as evidenced by the changes made throughout the Suzuka race. Ferrari, nonetheless, opted to not take this dangerous method. As a substitute, they selected to retain a well-recognized weight distribution within the central a part of the automobile, staying near the configurations of earlier Ferrari fashions.
As for the SF-25, the 1% of carryover parts from the 2024 Formulation 1 automobile, the SF24, as talked about by Frederic Vasseur, will embrace, amongst different issues, the hood consumption, which is able to preserve its triangular form, mirroring the design of the roll hoop. This characteristic has been part of Ferrari’s design philosophy because the F1-75 in 2022 (and even earlier with the SF-90) and is a part of the crew’s want to keep away from shifting in direction of extra central cooling programs, also called centerline cooling. The distinctive “ears” hooked up to the edges of the airbox may even stay current on the whole fleet of Ferrari-powered automobiles by means of 2024. Even Ferrari’s buyer groups, Sauber and Haas, have opted to centralize their automobile’s mass by shifting not solely the oil radiator to the middle but in addition repositioning the electrical radiator alongside the automobile’s central axis. This enables for higher utilization of house, significantly within the sidepod areas.
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