Crimson Bull’s Christian Horner questions Mercedes velocity features

Mercedes driver Valtteri Bottas confirmed his tempo in Istanbul on Sunday

Crimson Bull crew principal Christian Horner has expressed his “shock” at features he says Mercedes have made with their engine efficiency.

Underneath Method 1’s guidelines, the title rivals should not allowed to enhance the ability of their engines in-season.

Horner stated Mercedes’ straight-line velocity “has taken a major step not too long ago”.

“It is stunning they seem to have made the step they’ve with the power-unit,” he added.

Mercedes reject Crimson Bull’s claims, saying nothing has modified of their engine other than becoming a brand new one to Hamilton’s automobile for final weekend’s Turkish Grand Prix.

Each Hamilton and title rival Max Verstappen of Crimson Bull have taken new engines – at the price of grid penalties – over the past two races, Verstappen on the earlier race in Russia, Hamilton in Turkey.

Verstappen leads Hamilton by six factors with six races to go after the Dutchman completed second in Sunday’s Turkish Grand Prix and Hamilton in fifth.

Inner combustion engines all the time degrade over time, so Hamilton’s new engine can have supplied a small efficiency benefit over the one he was utilizing beforehand.

Crimson Bull’s claims echo comparable ones Hamilton himself made about his rival’s Honda engine earlier within the season.

Crimson Bull made an obvious step ahead in efficiency across the time of the French Grand Prix in early summer season, and Hamilton publicly questioned how that they had been ready to do this.

Crimson Bull’s clarification on the time was that aerodynamic upgrades to their automobile had allowed them to run smaller rear wings, lowering drag and boosting straight-line velocity, with out harming cornering efficiency.

Horner stated: “We might match them with smaller [rear] wings beforehand; now we won’t get close to. And we noticed that notably at this circuit, the place Lewis had a straight-line benefit with an even bigger rear wing on the automobile.”

Horner added that reliability issues with the Mercedes engine may be affecting impressions of efficiency.

“You may see throughout all their groups Mercedes clearly have some reliability points they’re managing, which is uncommon for Mercedes,” Horner stated. “However their efficiency remains to be extremely spectacular.

“Whether or not one comes on the expense of the opposite, I do not know, however when you take a look at a number of the velocity deltas on the again straight at some factors it was 15-20km/h, which is greater than if there had been DRS (overtaking help in use).”

Mercedes say they’re puzzled by Horner’s recommendations, saying they aren’t borne out within the knowledge.

Mercedes F1 boss Toto Wolff admitted the corporate had been managing reliability in opposition to efficiency with their engines.

“If you begin to push the boundaries with power-unit efficiency, at a sure stage you’ll expertise some obstacles,” he stated.

“Our power-units have been essentially the most dependable for the reason that introduction of the hybrid engines in 2014 and and since the boundaries are being pushed we now have seen examples of, to illustrate, uncommon noises throughout the combustion engine that are not utterly understood at that stage but.

“They triggered some troubles previously; we had some engines that principally failed and now it is about containing the issue as a result of altering components is just not one thing you’d deal with.”

Mercedes seem to have made a step ahead in general efficiency in comparison with Crimson Bull since F1 reconvened following its summer season break.

Over the primary half of the season, Crimson Bull had a mean benefit in qualifying of 0.026%.

Within the three dry qualifying periods within the second half of the season up to now, Mercedes have had a bonus of 0.286%.

Nonetheless, the three tracks in query – Monza, Sochi and Istanbul Park – are thought to be favouring Mercedes, whereas two of the remaining six races – Mexico and Brazil – are anticipated to considerably benefit Crimson Bull.

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