Mercedes’ One-Lap Dominance
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George Russell and Kimi Antonelli locked out the front row at the Australian GP.
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Russell’s pole lap was 0.8 seconds faster than the nearest rival, showing a significant one-lap advantage.
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Ferrari’s Lewis Hamilton and Charles Leclerc could not match this in qualifying, despite race pace being more competitive.
Hamilton’s Concerns
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Hamilton worries that Mercedes’ edge might stem from the engine “compression ratio loophole.”
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This loophole allowed Mercedes and Red Bull Powertrains to increase the compression ratio when the engine was hot, above the newly lowered limit.
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Pre-season tests only measured compression at ambient temperatures; the “hot engine test” was introduced to close this loophole.
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Hamilton fears that if Mercedes’ advantage is from this, it could cost rivals points in the opening races.
FIA Response
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The hot engine test will now come into force in June, earlier than the originally planned August introduction.
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Depending on perspective, the advantage from the loophole could range from negligible to several tenths per lap, which is highly significant in qualifying.
Hamilton’s Takeaway
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“Hopefully it’s just pure power,” he said, implying that Mercedes might simply have optimized the PU legitimately.
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He acknowledges that even a few tenths per lap in qualifying could translate to lost points over the first seven races before the hot engine test is enforced.