Ferrari SF21

Ferrari SF21
	Charles Leclerc in the SF21 during practice at the Austrian Grand Prix 2021
Category	Formula One
Constructor	Ferrari
Designer(s)	Enrico Cardile (Head of Chassis Area); David Sanchez (Chief Engineer - Vehicle Concept); Fabio Montecchi (Chief Project Engineer); Diego Ioverno (Chief Engineer - Vehicle Operations); Tiziano Battistini (Head of Chassis Design); Marco Adurno (Head of Vehicle Performance); Diego Tondi (Head of Aerodynamics)
Predecessor	Ferrari SF1000
Successor	Ferrari F1-75
Technical specifications
Chassis	Carbon fibre and honeycomb composite with halo protection device around the cockpit
Suspension (front)	Push-rod
Suspension (rear)	Pull-rod
Engine	Ferrari 065/6 1.6 L (98 cu in) Direct injection turbocharged 90° V6 engine limited to 15,000 rpm longitudinal mid-mounted, rear-wheel drive layout
Electric motor	Ferrari kinetic and thermal energy recovery systems
Transmission	8 forward gears and 1 reverse gear Longitudinal Rear differential with hydraulic torque converter
Battery	4 MJ lithium-ion batteries of minimum 20 kg weight
Tyres	Pirelli
Competition history
Notable entrants	Scuderia Ferrari Mission Winnow
Notable drivers	16. Charles Leclerc ; 55. Carlos Sainz, Jr. ;
Debut	2021 Bahrain Grand Prix
Last event	2021 Abu Dhabi Grand Prix

Last updated April 29, 2024

The Ferrari SF21 (also known by its internal name, Project 673)^[1] was a Formula One racing car designed and constructed by Scuderia Ferrari to compete in the 2021 Formula One World Championship. The car was driven by Ferrari debutant Carlos Sainz Jr. and Charles Leclerc.^[2] The car made its competitive debut at the 2021 Bahrain Grand Prix.

Background

The SF21 was designed as an evolution of its predecessor the SF1000.

Head of Chassis Enrico Cardile said that the aerodynamics on the SF21 underwent a "radical" revision with two goals in mind given the 2021 rules cut downforce around the car's floor and rear wheels. As a result, that the team's development tokens were spent on the transmission and rear suspension.^[3]

The entire front section of the car underwent refinements, with the new front-wing returning to a 2019-style emphasis on the outwash effect. It also featured a new lateral drift, both for the shape of the bulkhead in the outermost edge, and in the foot curb area with a small flow diverter in front of the tyre. There was also a new cape (the flow diverter located behind the nose which helps to manage the flow of air that passes through the lower part of the frame). Additionally, the aerodynamic "horns" placed in the front part of the frame, featured four separate flow diverters.^[4]

Development of the car ended after the Azerbaijan Grand Prix as Ferrari switched their attention to the car's successor.^[5]

Power unit

Addressing the power deficit of their 2020 contender, Mattia Binotto stated that "the [new] engine is running well on the dyno" and that its performance had progressed "significantly" compared to 2020. He also explained that 2021 will be a "transition" year in preparation for 2022 and that the SF1000's high aerodynamic drag is a point of focus for development.^[6]

In an August 2021 interview, Binotto announced that there would be an additional development to the power unit targeted towards the latter stages of the season.^[7]

At the Russian Grand Prix Ferrari introduced its new hybrid system, installing it into Charles Leclerc's car with Carlos Sainz receiving his power unit next at the Turkish Grand Prix.

The change was to the energy store, upgrading from a 400 V to an 800 V system, in line with its rivals by increasing the energy density of the batteries. Binotto told The Race that "The power is always available through the straight line, so you get the benefit from it at the start of the straight line but as well at the end. If we consider how the situation was last year, it is certainly a big step forward. So we still know that there is a gap to the best engine today, but we believe that gap today is not so dramatic."^[8]

Competition history

Ferrari had a much-improved season relative to its disastrous 2020 campaign with the SF1000, with Leclerc achieving 2 pole positions in Monaco and Azerbaijan. The improvement in performance from the SF21 helped Ferrari to secure 3rd in the constructors standings, compared to the disappointing 6th in 2020. Despite this improvement, Ferrari would end the season winless, marking the first time since 1992 and 1993 that they were winless in consecutive seasons. The SF21 came closest to victory at the British Grand Prix, where Leclerc was 2 laps away from taking the win before being overtaken by Lewis Hamilton at Copse corner on lap 50 of 52.

Complete Formula One results

(key)

Year	Entrant	Power unit	Tyres	Driver name	Grands Prix																						Points	WCC pos.
Year	Entrant	Power unit	Tyres	Driver name	BHR	EMI	POR	ESP	MON	AZE	FRA	STY	AUT	GBR	HUN	BEL ^‡	NED	ITA	RUS	TUR	USA	MXC	SAP	QAT	SAU	ABU	Points	WCC pos.
2021	Scuderia Ferrari Mission Winnow ^{[note 1]}	Ferrari 065/6	P	Charles Leclerc	6	4	6	4	DNS^P	4^P	16	7	8	2	Ret	8	5	4	15	4	4	5	5	8	7	10	323.5	3rd
2021	Scuderia Ferrari Mission Winnow ^{[note 1]}	Ferrari 065/6	P	Carlos Sainz Jr.	8	5	11	7	2	8	11	6	5	6	3	10	7	6	3	8	7	6	6³	7	8	3	323.5	3rd
Reference(s):^[9]^[10]

Notes

^‡ Half points awarded as less than 75% of race distance completed.

Footnotes

1 2 Ferrari entered round 1 as "Scuderia Mission Winnow Ferrari", rounds 2–6, 15, 17–22 as "Scuderia Ferrari Mission Winnow", and rounds 7–14, 16 as "Scuderia Ferrari".

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References

↑ Nugnes, Franco (21 January 2021). "COVID-19 impact prompts Ferrari project number quirk". motorsport.com . Retrieved 14 February 2023.
↑ "2021 FIA Formula One World Championship – Entry List". Fédération Internationale de l'Automobile . Archived from the original on 10 February 2021. Retrieved 3 March 2021.
↑ "Ferrari strived to improve the SF21 'in all areas' says Binotto as team unveil 2021 challenger" . Retrieved 10 March 2021.
↑ "Technical Insight: The updates Ferrari is pinning its 2021 hopes on". 17 March 2021. Retrieved 17 March 2021.
↑ "Ferrari have stopped development on current car with focus now 'all on 2022', reveals Mekies". Formula1.com. 18 June 2021. Retrieved 19 June 2021.
↑ Noble, Jonathan (18 December 2020). "Ferrari announces SF21 F1 car name and launch plan ahead of 2021 testing". autosport.com. Retrieved 23 December 2020.
↑ Ranken, Dieter (9 August 2021). "Ferrari to introduce power unit upgrade bringing "significant step" before end of season". www.racefans.net. Retrieved 9 August 2021.
↑ Straw, Edd (29 October 2021). "HOW FERRARI HYBRID UPGRADE IS GIVING IT AN EDGE OVER McLAREN". www.the-race.com. Retrieved 29 October 2021.
↑ "2021 Bahrain Grand Prix - Championship Points" (PDF). FIA. 28 March 2021. Archived (PDF) from the original on 29 March 2021. Retrieved 30 March 2021.
↑ "2021 Emilia Romagna Grand Prix - Championship Points" (PDF). FIA. 18 April 2021. Archived (PDF) from the original on 2 May 2021. Retrieved 2 May 2021.

External links

Official website

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[Mission_Winnow-1] 1 2 Ferrari entered round 1 as "Scuderia Mission Winnow Ferrari", rounds 2–6, 15, 17–22 as "Scuderia Ferrari Mission Winnow", and rounds 7–14, 16 as "Scuderia Ferrari".

[2] Nugnes, Franco (21 January 2021). "COVID-19 impact prompts Ferrari project number quirk". motorsport.com . Retrieved 14 February 2023.

[3] "2021 FIA Formula One World Championship – Entry List". Fédération Internationale de l'Automobile . Archived from the original on 10 February 2021. Retrieved 3 March 2021.

[4] "Ferrari strived to improve the SF21 'in all areas' says Binotto as team unveil 2021 challenger" . Retrieved 10 March 2021.

[5] "Technical Insight: The updates Ferrari is pinning its 2021 hopes on". 17 March 2021. Retrieved 17 March 2021.

[6] "Ferrari have stopped development on current car with focus now 'all on 2022', reveals Mekies". Formula1.com. 18 June 2021. Retrieved 19 June 2021.

[SF21-7] Noble, Jonathan (18 December 2020). "Ferrari announces SF21 F1 car name and launch plan ahead of 2021 testing". autosport.com. Retrieved 23 December 2020.

[8] Ranken, Dieter (9 August 2021). "Ferrari to introduce power unit upgrade bringing "significant step" before end of season". www.racefans.net. Retrieved 9 August 2021.

[9] Straw, Edd (29 October 2021). "HOW FERRARI HYBRID UPGRADE IS GIVING IT AN EDGE OVER McLAREN". www.the-race.com. Retrieved 29 October 2021.

[bah-10] "2021 Bahrain Grand Prix - Championship Points" (PDF). FIA. 28 March 2021. Archived (PDF) from the original on 29 March 2021. Retrieved 30 March 2021.

[emi-11] "2021 Emilia Romagna Grand Prix - Championship Points" (PDF). FIA. 18 April 2021. Archived (PDF) from the original on 2 May 2021. Retrieved 2 May 2021.

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