Ferrari chassis development head Enrico Cardile explained how they have made radical changes to the rear end of their new F1 car for 2021 SF21 despite limited rules that should significantly improve aerodynamic performance compared to 2020.

Last year’s Ferrari was too slow on the straights, both due to a lack of power from the engine and due to insufficiently efficient aerodynamics that created too much air resistance while the new SF21 car should correct the main weaknesses of its predecessor SF1000.

The new SF21 is the 67th Ferrari car to compete in the Formula 1 championship and is an evolution of its predecessor due to limited rules requiring the use of a large number of the same components to reduce costs.

Ferrari developed the SF21 in the permitted areas, starting with a completely new engine and aerodynamics, especially the rear end on which they spent two development tokens.

“When we began the SF21 project, our first task was to identify which area of the car we should focus on in order to achieve a radical change,” said Cardile.

“We opted for the rear end, designing a new gearbox and new suspension system. This, in addition to the efforts of our power unit colleagues has led to a much tighter rear end.”

2021 Ferrari SF21 Screenshot Youtube F1 launch sidepod area Photo Ferrari

“We also looked at the cooling system, increasing the effectiveness of the central radiator and designed the body with more “downwashing.” Aerodynamics was one of the areas affected by the regulation changes aimed at reducing the ability to generate vertical load, in order not to put too great a strain on the tyres.”

“That’s why, as we began developing the car’s aerodynamics, we set ourselves two goals: recovering more aerodynamic downforce than was lost through the regulations and reducing drag.”

“Because of the regulations, less drastic changes were possible at the front end of the car. So, we developed a new front wing which works in conjunction with a new concept nose, but the chassis itself and the suspension is off last year’s SF1000.”

2021 Ferrari SF21 Screenshot Youtube F1 launch nose and front wing Photo Ferrari

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