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Monday, April 28, 2025

a driving model evaluation amid SF-25 traits


That Ferrari just isn’t performing properly on this begin of the 2025 Method 1 championship is sadly a tragic actuality that we have now to simply accept. Lewis Hamilton and Charles Leclerc had hoped to drive a extra stable and secure automobile after the excessive expectations within the winter interval earlier than the pre-season testing session on the Bahrain circuit. As a substitute, the SF-25 single-seater has many flaws that the Maranello staff is attempting to repair with the primary substantial aerodynamic replace bundle which is deliberate for the Emilia Romagna Grand Prix on the Imola circuit. In the meantime, Charles Leclerc has developed a driving approach that permits him to extract the utmost potential, and the outcomes are evident. The British driver, then again, is struggling considerably.

The Ferrari staff has given their all, in fact, however as for the seven-time Method 1 world champion, there’s a restrict he simply can’t shake off. A few years spent with Mercedes and an sad adjustment to the Italian aspect: these are the principle causes at present slowing down the Englishman. However the Maranello staff has promised most effort to assist him.

There are not any doubts about this; in any case, we’re speaking a few true asset of the staff that should in some way be protected. Claiming that the British driver is not able to performing properly appears fairly silly. He’s in vital problem. Nonetheless, his flash of brilliance within the Chinese language Dash, with pole place and dash victory, confirms his worth. He wants to present extra, that’s true. We wait with hope.

At this time, we delve into a specific evaluation in an effort to attempt to clarify the efficiency hole between the 2 Ferrari drivers. We all the time begin with the onboard footage, the one true instrument able to offering all the main points on a Method 1 driver’s driving model, combining it with telemetry knowledge. By consulting these figures, averaging the 2 completely different stints on the 6.174-kilometre Jeddah Corniche Circuit in Saudi Arabia, we discover a number of key findings on monitor.

We’ve got executed this by means of every particular person measurement of pace, gaps, and throttle throughout the runs, offering an outline of the actions associated to the driving force throughout the time interval in query. From this evaluation, a number of key factors emerge. The primary essential remark: all through the stint, Lewis Hamilton was among the many first to carry his foot off the throttle throughout braking to anticipate as a lot as attainable the second when he would reapply the gasoline.

As a result of Ferrari’s continual understeer, the Briton tries to restrict the entry to focus higher on the exit, whereas the Monegasque adopts a unique method: he’s virtually all the time one of many final to carry off the throttle, and in consequence, delays his re-application of the gasoline throughout the exit section. This highlights two essential features. The primary is the truth that Charles Leclerc has developed a braking model that permits him to convey the automobile to the restrict throughout entry.

The second is that Lewis Hamilton is at present attempting to compensate for the continual problems with the SF-25 automobile with a driving model that’s not efficient in any respect. Throughout the Saudi Arabian Grand Prix, there have been a number of radio communications concerning this side, each within the first and second stints: his race engineer Riccardo Adami knowledgeable the Briton the place he was dropping time, usually reminding him to work on the so-called “peak and launch.”

With Method 1 automobiles, the purpose is all the time to speed up onerous, then completely handle the discharge of the pedal earlier than reaching the apex. Lewis Hamilton was unable to optimize this side. For instance, in flip 22 alone, he misplaced round two-tenths to his Maranello teammate throughout braking. The strain profile on the pedal has but to be perfected, so there’s nonetheless work to be executed.

Trying extra particularly, it’s noticeable that the seven-time Method 1 world champion misplaced a big quantity of floor within the varied “snake” sections of the Saudi Arabian monitor. In these sections, characterised by speedy route modifications, he confirmed a slightly unstable rear of the automobile, the place the SF-25 automobile’s inherent lack of rotation usually became oversteer throughout the exit section. This pressured him right into a extra conservative driving model.

Usually, the unstable load of an F1 automobile undermines the driving force’s confidence. Nonetheless, the Monegasque manages to manage the rear finish due to wonderful sensitivity, a results of a few years spent unloading the rear to go quicker on the straights. Lewis Hamilton loses a big quantity of minimal pace, not solely in comparison with his teammate however particularly to Max Verstappen and Oscar Piastri.

This distinction in method inevitably results in completely different calls for on the tire compounds. By requiring much less throughout braking, the entrance finish of the automobile receives much less power, thus limiting the temperature buildup on this axle. It’s no coincidence that, after the pit cease on the finish of the primary stint on Medium tires, automobile quantity 44 confirmed clear indicators of graining on the front-left tire.

Within the picture beneath, the “black stripe” on the within of the tread is clearly seen, a displaced place as a result of static camber imposed on the tire. By demanding extra throughout entry, Charles Leclerc manages the entrance finish properly, although he too was struggling till George Russell got here in for a pit cease, permitting him to run in clear air. A mix of small components that, in the long run, limits the lifespan of the tire.

— see video above —

Ferrari SF25: why Charles Leclerc succeeds where Lewis Hamilton fails amid F1 driving style analysis

David Carter

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