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The 2026 Formula 1 season opened with an alarming reminder of the dangers lurking at the start line. At the Australian Grand Prix, a near-miss between Liam Lawson and Franco Colapinto exposed vulnerabilities in the sport's new technical regulations—and prompted a stark warning from Sergio Perez that disaster is merely a matter of time.
Lawson, driving for Racing Bulls, suffered a sluggish launch with no battery power available, leaving his car essentially stationary on the grid. Colapinto, however, executed a perfect start and demonstrated exceptional reflexes to avoid a collision as Lawson's vehicle suddenly appeared through traffic. The incident was closer than initially apparent, with Colapinto later acknowledging the severity: "When I started to see the onboards after the race, it was even closer than what I thought, even more sketchy."
The culprit behind these start line challenges is the removal of the MGU-H (Motor Generator Unit-Hybrid) from the 2026 power units. This component previously kept turbochargers spinning at low revolutions, effectively eliminating turbo lag—a phenomenon that hasn't been a meaningful concern in modern F1 for over a decade.
Now, drivers must manually manage higher engine revolutions for extended periods to ensure the turbo reaches full boost before the lights extinguish. Timing this precisely has become a critical skill; miscalculate the procedure, and drivers risk triggering anti-stall conditions. As Perez explained, "These power units are very difficult to start. You can have a good start or a bad start by so many different factors. You can get anti-stalled, like what happened to Lawson, and then that can be very, very dangerous, because the speeds that you end up doing within two to three seconds are extremes."
The challenge is compounded by the broader acceleration capabilities of these machines. Colapinto noted that the extreme speed differentials between struggling and performing cars create hazardous conditions, particularly when one car is harvesting electrical energy while another runs at full throttle.
Recognizing these risks, the FIA implemented a new start procedure featuring a five-second pre-start phase. Grid panels flash blue for this duration, allowing drivers additional time to build revolutions before the traditional light sequence initiates. The system underwent testing during pre-season running in Bahrain and debuted competitively in Melbourne.
Additionally, active aerodynamics (straight mode) are now restricted until after Turn 1, eliminating any deployment ambiguity at the start.
Despite these interventions, Perez remains unconvinced. His warning is unambiguous: "It's just a matter of time before a massive shunt happens." He stressed that no obvious solution exists given the fundamental complexity of the new powerplants.
Teams have adopted varying design philosophies to address turbo responsiveness—Ferrari, notably, developed a smaller turbocharger to reduce inertia—yet inconsistency remains inevitable across the grid, at least during this early season learning period.
The Melbourne incident serves as a timely reminder that regulatory change, however necessary, carries unforeseen consequences. As 2026 progresses, the paddock will hold its breath, hoping Perez's prophecy remains unheeded.
He’s a software engineer with a deep passion for Formula 1 and motorsport. He co-founded Formula Live Pulse to make live telemetry and race insights accessible, visual, and easy to follow.
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