Saturday, April 10, 2021

New aero rules cost low-rake cars 1s per lap – Aston Martin

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The British sportscar manufacturer endured a tough first qualifying of the season in Bahrain on Saturday, with Sebastian Vettel getting knocked out in Q1 to line up 18th, and Lance Stroll qualifying 10th.

On a track configuration where at the end of last year the team was fighting for a podium finish, it has been left in no doubt that the floor changes for 2021 have significantly hurt the low- rake concept cars like its own AMR21 and rival Mercedes.

Speaking after qualifying, Aston Martin team principal Otmar Szafnauer said: “When we last raced here in Bahrain – just four months ago – we were heading for a podium, on merit, before a power unit issue ended Checo’s race.

“We will not be anywhere near that kind of performance here now, and the direct cause of that performance drop-off is the new-for-2021 aero regulations, imposed on all the teams.

“If you compare the qualifying times between those two races here in Bahrain, now and four months ago, it looks like the high-rake aero philosophy cars have gained around a second per lap compared to the low-rake aero philosophy cars.

“So Mercedes and ourselves are the teams worst affected.”

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Szafnauer said that the situation his team faced was hard to accept, especially after so much effort had been made over the winter ahead of Aston Martin’s F1 return.

“I’m not happy,” he said. “And when I say I’m not happy, I mean I’m not happy for our two great drivers; I’m not happy for the 500 great men and women who designed, built and are now running our new car; and I’m not happy for our sponsor-partners or our fans, either.

“Having said that, we will of course now work hard to make up as much of the performance deficit as possible in the upcoming races.”

With the rake concept so fundamental to the overall car design though, Szafnauer says there is little that Aston Martin and Mercedes can do in the short term because of strict homologation rules.

“After carefully analysing data from testing and this weekend, it is clear that the new-for-2021 aero regulations have impacted cars with a low-rake aero philosophy significantly more damagingly than cars with a high-rake aero philosophy,” he added.

“Specifically, the change in floor dimensions and profile at the rear of the cars has had a profound negative effect on the performance of cars with low-rake aero philosophy, such as our car and the Mercedes car.

“It is not only us who are speaking about this issue – Toto spoke about it in the FIA press conference yesterday.

“We cannot make a change to a high-rake aero philosophy car even if we wanted to, and neither can Mercedes, because the suspension on this year’s cars has been homologated.”

Asked if he felt the aero rules had been deliberately brought in to hinder some teams and level up the playing field, Szafnauer said: “What I’m saying is that the new-for-2021 aero regulations have impacted cars with a low-rake aero philosophy more damagingly than cars with a high-rake aero philosophy.

“So Mercedes and ourselves have suffered, whereas the high-rake aero philosophy cars such as those of Red Bull and Alpha Tauri, and McLaren and Ferrari, have not.”



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