Ferrari was not good. Quite the opposite, throughout the fourth Friday of the 2025 Method 1 season, many issues didn’t work for the Maranello staff. To begin with, it should be mentioned that with the brand new flooring there was a must experiment. Furthermore, the primary free apply session on the 5.412-kilometre Bahrain Worldwide Circuit in Sakhir was nearly ineffective because of the soiled monitor, to not point out the tire overheating and the setup of the Italian automobile which, with a special weight distribution, was not simple to get proper.
As soon as once more, McLaren confirmed itself because the automobile to beat over a single lap. In FP2 in Bahrain, Oscar Piastri put a full 0.527 seconds on the primary chasing automobile, which was George Russell’s Mercedes, and 0.540 seconds on Charles Leclerc, who completed fourth. The MCL39 appeared exact, balanced, and particularly able to producing grip in each part of the nook, dominating each sector and constructing its predominant benefit in Sector 2, the place it gained 0.327 seconds on its rivals.
Charles Leclerc, for his half, confirmed an SF-25 that was not notably well-balanced and unable to ship prime efficiency over one lap. The entrance finish appeared pretty responsive, and the persistent understeer that had bothered the automobile in earlier GPs remained—although milder—mixed with slight oversteer on nook exit, particularly popping out of turns 13-14. However the primary puzzle stays the habits of the rear underneath traction.
The direct comparability with Oscar Piastri begins already in flip 1, the place Charles Leclerc brakes barely later however nonetheless manages to decelerate successfully, sufficient to get again on the throttle concurrently the Australian. On this a part of the monitor, one of the essential components in braking administration is doubtless the brake steadiness, specifically the distribution of braking between the entrance and rear axles.
Certainly, all through the session, the 2 Ferrari drivers acquired radio options to regulate it nook by nook, with the purpose of enhancing braking stability and stopping lockups. Drivers can tweak the brake steadiness immediately from the steering wheel, adjusting it to their choice. Usually, to keep away from entrance locking, the steadiness is shifted barely to the rear.
Nonetheless, this adjustment should be a compromise: an excessive amount of rearward braking can destabilize the automobile or trigger rear locking. Discovering the precise compromise between entrance and rear is among the keys, particularly for Charles Leclerc, given his alternative to switch his braking fashion in an try to enhance his efficiency.
Transferring on to the S-bend of turns 2-3, Oscar Piastri manages to go full throttle earlier, build up pace for the next straight. Charles Leclerc, as an alternative, modulates the throttle extra cautiously, reaching 100% throttle barely later. Then comes flip 4, a nook the place the SF-25 struggled to hit the apex throughout pre-season testing, however right now the state of affairs is completely different. The Monegasque driver works to mitigate attainable understeer on entry.
He does so by braking a couple of meters earlier, establishing the nook entry optimally, hitting the apex completely, and even going by means of it with a ten kilometers per hour delta over the Australian driver. This reveals a major step ahead for the Ferrari. Nonetheless, on exit, Charles Leclerc is a bit late on the throttle, because the rear nonetheless wanted a couple of extra meters to settle and full the ultimate part of the nook easily.
In corners like this, but in addition in 8, 10, and 14, the dampers come into play—the shock absorbers. On a monitor like Bahrain, the load switch between braking and traction should occur in a short time. A quick compression of the rear is required to make sure grip for the pushed wheels, and a quick decompression of the entrance to launch the load and facilitate the transition.
If the dampers—referring to the F1 automobile’s shock absorbers—don’t reply optimally, then the load isn’t transferred shortly sufficient, and traction can’t optimally switch all of the engine’s energy to the bottom. And that is precisely what was lacking on nook exit from flip 4 on automobile quantity 16, a facet that value small fractions of a second in comparison with the spectacular McLaren.
Even within the snake part, specifically turns 5-6-7, the Ferrari SF-25 automobile holds its personal towards McLaren, with Charles Leclerc taking flip 6 at 9 kilometers per hour extra. Nonetheless, he once more loses one thing in flip 7, the place he lifts off an excessive amount of, maybe to handle the oversteer throughout roll. From flip 11 onward, the MCL39 begins to tug forward: on this very quick nook, the place one enters at 300 kilometers per hour and takes it at 162 kilometers per hour, the British automobile reveals wonderful steadiness.
It sticks to the monitor floor with no need to appropriate the steering even by 1 millimeter, however most of all, it manages to go full throttle many meters sooner than the Ferrari. This interprets right into a achieve of a few tenth and a half. Even in flip 13, Oscar Piastri finds way more grip, particularly on exit, the place the automobile from Maranello, after an excellent entry onto the innermost curb, makes small corrections to tame the rear.
Even right here, the achieve for the papaya-colored automobile is appreciable. Unquestionably, this time loss from mid-lap onward is attributable to the much-discussed overheating that impacts all vehicles, as Ferrari staff principal Frederic Vasseur himself confirmed in interviews. McLaren suffers much less, because it manages temperatures higher with a extra environment friendly aerodynamic package deal.
When the monitor floor is just too sizzling, in truth, the tire tends to lose grip and the rear turns into unstable, particularly in lengthy, quick corners. Briefly, the SF-25 is making progress, however the habits of the rear, between mechanical and thermal setup, stays a important concern. McLaren, alternatively, as soon as once more appeared very strong in each area, capable of finding grip the place others are clearly struggling.
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