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Sparks fly from the rear of Lewis Hamilton, Mercedes F1 W15
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Why fans experience of F1 noise is unlikely to change much with 2026 rules

PAT SYMONDS takes a look at what causes engine noise in F1, and why it has decreased since hybrid engines were introduced in 2014

The publication and pre-announcement of the 2026 Formula 1 regulations was heralded as giving the fans what they asked for and to some extent this is true. The ‘nimble’ car may still be a dream in absolute terms but at least there was an arresting action of the relentless increase in both size and weight of the cars.

One major area that wasn’t fan-driven, though, was the new power unit. This was an amalgam of the requests of the corporate boards of the manufacturers involved, together with measures designed to ease the path for newcomers that was ultimately finessed by the technical directors of the manufacturers’ racing departments.

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