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Saturday, April 19, 2025

Ferrari SF-25 faces rear finish instability and grip points in closing race stint


Within the 2025 Formulation 1 Bahrain Grand Prix, Ferrari confirmed blended indicators throughout the varied stints of the race. Whereas the SF-25 single-seater benefited from the medium tires through the center part of the Sakhir race, it confronted important difficulties with the arduous compound in the direction of the top, particularly in managing the rear finish. Particularly, the Maranello automotive initially had a big benefit within the quicker sections.

This attribute light within the closing stage of the Bahrain Grand Prix. So as to higher perceive the causes, we analyze a comparability of the common pace between the primary and final stints of the race, evaluating the 2 Ferrari drivers, alongside Oscar Piastri and Max Verstappen. The comparability goals to focus on the variations in gasoline ranges, that are contrasted by way of a extra full evaluation.

Within the first stint, by analyzing the telemetry information, we will see that Max Verstappen, due to the slipstreams in the midst of the pack, is the quickest on the finish of the principle straight. The four-time Formulation 1 world champion, with the assistance of the drag discount system, has an Finish of Straight Velocity that’s 30 kilometers per hour quicker than Oscar Piastri. The same dynamic happens within the second part of the circuit, with the Dutchman managing to construct a spot of about half a second earlier than the braking zone of flip 4.

Nevertheless, as will be seen from the telemetry information, the world champion loses all of the benefit gained in turns 4 and eight, the place he’s pressured to brake earlier and undertake a extra conservative method in traction. Charles Leclerc, however, maximizes the deceleration part in flip 1, gaining round two tenths simply on this sector. Moreover, the Monegasque driver is much less conservative within the snake part and switch 12, the place — just like Lewis Hamilton — he carries extra pace.

These high-G corners are very taxing on the tires, which have a tendency to lift the tread temperature. Each Ferrari drivers took benefit of the Pirelli yellow-banded tire, which, due to its building, is much less liable to temperature will increase as a consequence of lateral forces. As additionally seen from the telemetry information, within the lengthy flip 12, Charles Leclerc modulates the throttle much less and beneficial properties a couple of tenth over Oscar Piastri.

Unable to utilize many slipstreams, the Australian driver optimizes the benefit of fresh air, carrying larger pace by way of the middle of the corners. Additionally it is fascinating to notice that he’s extra cautious through the braking part between turns 1 and 4. With the entrance axle colder after the 2 straights, the McLaren driver adopts a extra conservative method, displaying a faster brake launch part in corners 8, 11, and 13. In these sections, the tire temperatures are larger and supply extra grip throughout turn-in.

Shifting focus to the ultimate stage of the Bahrain Grand Prix, with lighter automobiles, it’s noticed that Max Verstappen’s place in the midst of the pack as soon as once more favored his high pace. Probably the most fascinating information comes from the comparability between the 2 Ferrari automobiles and Oscar Piastri. With arduous tires, the Maranello automobiles struggled essentially the most within the closing part of the race. The information reveals that the principle situation was the rear finish on exit.

The rear was unable to offer sufficient grip to stabilize the automotive. This lack of stability was brought on by a really imprecise entrance finish throughout turn-in, which triggered extreme sliding on exit. For that reason, essentially the most important areas — the place Oscar Piastri gained essentially the most floor — have been the exits from the slower corners.

Furthermore, because of the weaker rear finish, the benefit we beforehand mentioned within the quicker sections was not current. Each within the snake and at flip 12, it was Oscar Piastri who reached the best speeds earlier than the braking zones, despite the fact that he was in a part of managing his F1 automotive in flip 12, the place he modulated the throttle extra.

Charles Leclerc’s try to defend the rostrum possible accelerated the efficiency drop of the arduous tires in the direction of the top of the race on the 5.412-kilometre Bahrain Worldwide Circuit in Sakhir. This issue was subtly talked about by the Monegasque in some post-race feedback. The battle between Lewis Hamilton and Lando Norris and the one between Charles Leclerc and his defenders prevented the drivers from sustaining a robust tempo within the closing laps, though, in any case, the arduous tires don’t swimsuit the Italian automotive.

— see video above —

Ferrari SF25 struggles with rear end instability & grip issues in Bahrain final stint | F1 telemetry

Elena Rossi

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