Key Highlights:
- Lando Norris suffered an ongoing straightline speed deficit costing an estimated 0.1 to 0.2 seconds per lap during qualifying.
- McLaren team principal Andrea Stella clarified that the problem centers on top speed rather than an overt, detectable Mercedes power unit deployment malfunction.
- The team acknowledged the performance gap on Norris’ car across multiple events and plans to explore further mechanical and aerodynamic changes ahead of Singapore.
Straightline Speed Deficit Dogs Lando Norris in Qualifying
McLaren team principal Andrea Stella has clarified the issues surrounding Lando Norris’ current Mercedes power unit after the driver expressed frustration over an enduring straightline speed deficit in Formula 1 qualifying for the second consecutive race weekend. While McLaren naturally carries lower selected gear ratios compared to other Mercedes-powered rivals—inherently sacrificing top-end velocity—Norris experienced an additional disadvantage across the Baku weekend that has continued to linger. Across qualifying sessions, the squad found itself losing further time relative to Red Bull and Ferrari.
The shortfall left the British driver openly dismayed with the car’s behavior on throttle exits. Norris confirmed this, stating: “I’m just down on every single straight, so every time I get a good exit, I’m just slower at the end of the straight. It just hurts seeing this every single time.”
Diagnostic Challenges and Telemetry Discrepancies
Stella detailed the technical intricacies behind diagnosing Norris’ performance bleed, noting that modern engine regulations feature vast complexities where issues outside the reach of electronic sensors are difficult to spot, unlike a standard electrical deployment failure. According to the team’s data analysis, the shortfall translates to a critical loss of between 0.1 and 0.2 seconds per lap.
“I think more precisely we should say that the issue we see on Lando’s car is about a lack of straightline speed. So we see that in the power limited section, the car accelerates a little less and develops a little bit less top speed, all the other parameters being the same,”
Stella explained. “We talk about probably between one and two kilometres per hour, they are small quantities, and they are even difficult to see. As soon as Lando, for instance, has a little bit of slipstream from a car 4 seconds ahead, now you see Lando faster than the other car.”
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The Italian team boss emphasized the fine margins masking the issue on track: “So, it’s a small quantities but that we see statistically and we should more precisely talk about the deficit of straightline speed, which we can quantify in a lap time loss that I would say in excess of one tenth of a second, possibly between one and two tenths of a second.”
He continued: “A different conversation is about why that is and while we can talk immediately about a lack of power, in reality there can be different reasons.”
Stella added, “As you say, it’s in a way more difficult to monitor what is happening from a power unit point of view, because if it was deployment we would be able to see it, possibly has to do with some other parameters.”
Chassis Dynamics, Drag, and Internal Teammate Comparisons
Telemetry indicated that the deficit on Norris’ machine manifested heavily throughout the latter half of the lap. Teammate Oscar Piastri managed to extract superior top speed between Turns 13 and 14, as well as on the back straight leading down to Turn 15. However, Stella made clear that McLaren is not apportioning blame to Mercedes’ High Performance Powertrains division, pointing out that aerodynamic configuration and chassis dynamics can produce identical telemetry symptoms.
“But at the same time there’s the areas of the power unit that depend on what’s happening on the chassis side and finally there could be parameters that have to do with the drag of the car,”
Stella continued. “At no point we are making a point about power unit, we are just making a point about a lack of straightline speed which we want to make a point about – because it’s fair to Lando that we take the responsibility for the fact that on his car there’s a lap time deficit which at the moment we have not been able to remove in a couple of events.”
Stella concluded on the team’s upcoming strategy: “But obviously we are definitely looking at all the possible parameters and we will look at further changes but we only can do that now for Singapore.”
Why This Matters
In a tightly contested Formula 1 field where grid positions are frequently separated by hundredths of a second, yielding one to two tenths on the straights severely undermines qualifying potential and complicates race strategy. Because straightline deficits cannot be rectified easily under Parc Fermé or during tight back-to-back race weekends without introducing grid penalties or experimental aero packages, identifying whether the root cause stems from installation drag, mechanical engine traits, or chassis interaction is paramount for McLaren before the upcoming Singapore Grand Prix.
Frequently Asked Questions
How much lap time is Lando Norris losing due to the straightline deficit?
McLaren team principal Andrea Stella estimates the loss to be in excess of 0.1 seconds per lap, likely ranging between 0.1 and 0.2 seconds, resulting from a top speed shortfall of roughly 1 to 2 km/h in power-limited sections.
Is McLaren blaming the Mercedes power unit for the speed deficit?
No. Stella explicitly stated that McLaren is not laying blame on Mercedes’ engine division. Because electrical deployment data appears normal, the team is evaluating multiple interacting parameters, including chassis influences, drag levels, and mechanical aspects beyond standard sensor detection.
When does McLaren expect to introduce potential fixes for Norris’ car?
Stella confirmed that the team is reviewing all parameters and can only implement further targeted changes in time for the Singapore Grand Prix.
