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Norris' McLaren F1 Speed Struggle: Stella Reveals Recurring PU Issue

Norris' McLaren F1 Speed Struggle: Stella Reveals Recurring PU Issue

Hassan
Hassan
Published: Oct 3, 2026

Norris' lack of speed at the end of straights proved to be an issue in last week's Azerbaijan Grand Prix - and this has resurfaced in Malaysia

The Unseen Drag: Norris' F1 Speed Woes Continue

The frustration is palpable in the McLaren garage as Lando Norris continues to battle a perplexing straight-line speed deficit, costing him crucial lap time and competitive edge. For the second consecutive race weekend, the talented British driver has been held back by an elusive power unit issue.

Key Points:

  • Lando Norris is experiencing a recurring straight-line speed deficit.
  • McLaren estimates this issue is costing 0.1-0.2 seconds per lap.
  • The problem is challenging to diagnose, appearing similar to the Azerbaijan Grand Prix.
  • Team Principal Andrea Stella emphasizes finding a solution before Singapore.

Another Weekend, Another Speed Trap Nightmare

Lando Norris has openly voiced his frustration. After the Azerbaijan Grand Prix, where he first noticed the issue, the problem resurfaced during Bahrain GP qualifying. He's seeing a consistent disadvantage on every straight, regardless of his corner exit.

"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," Norris confirmed, his disappointment evident. "It just hurts seeing this every single time."

Diagnosing the Elusive Power Unit Glitch

McLaren Team Principal Andrea Stella shed light on the complex nature of the problem. While it presents as a clear straight-line speed deficit—a loss of between 1-2 km/h in top speed—its root cause is proving incredibly difficult to pinpoint. It's not a simple deployment issue that sensors can easily flag, making diagnosis a significant challenge under current Formula 1 regulations.

Stella explained the nuance: "We talk about probably between one and two kilometres per hour, they are small quantities, and they are even difficult to see." The team is ruling out blaming Mercedes' High-Performance Powertrains division, acknowledging the problem could involve chassis parameters or even car drag, not necessarily the power unit itself.

Costly Tenths: The Impact on McLaren's Pace

In the cutthroat world of Formula 1 qualifying, 0.1-0.2 seconds is an eternity. This is the estimated lap time deficit Andrea Stella believes Norris is facing. It's a significant margin that can easily mean the difference between making Q3 and Q2, or a few crucial grid positions on race day.

The issue seems to disproportionately affect the latter half of the lap. Analysis shows that teammate Oscar Piastri found noticeably more top speed over Norris between Turns 13 and 14, and then on the back straight towards Turn 15.

McLaren's Urgent Push for a Solution

Stella underscored McLaren's commitment to resolving the problem. He stressed that the team takes full responsibility for the deficit and is "looking at all the possible parameters." While immediate changes are limited for this race, their sights are firmly set on implementing comprehensive fixes by the Singapore Grand Prix.

For Norris and McLaren fans, every passing straight without a solution is a moment of frustration. However, the team's determination to reclaim those lost kilometers per hour and put Norris back on even terms is clear.