Horner: Red Bull faces “significant handicap” with F1 aero testing restrictions

Introduced ahead of the 2021 season, the ATR was conceived in tandem with the budget cap to inspire a more competitive field and increase the financial sustainability of the series. 
The ATR sliding scale therefore limits wind tunnel runs and computational fluid dynamics hours, meaning Red Bull has been hit by a total 25% cut for 2023 after winning the constructors’ championship last …Keep reading