Tatuus F4-T421

The Tatuus F4-T421 is an open-wheel formula race car, designed, developed and built by Italian manufacturer Tatuus, for Formula 4 junior categories, since 2021.^[2][3][4][5]

Tatuus F4-T421

Constructor	Tatuus
Predecessor	Tatuus F4-T014
Technical specifications[1]
Chassis	Carbon-fiber monocoque, fiberglass body
Suspension (front)	Push-rod with twin non-adjustable shock absorbers, adjustable anti-roll bar and third element
Suspension (rear)	Push-rod with twin non-adjustable shock absorbers, adjustable anti-roll bar and third element
Height	950 mm (37 in)
Axle track	1,510 mm (59 in) (front) 1,460 mm (57 in) (rear)
Wheelbase	2,750 mm (108 in)
Engine	Abarth FT-J/Autotecnica 1,368 cc (83 cu in) DOHC inline-4 turbocharged, longitudinally mounted in a mid-engined, rear-wheel drive layout
Transmission	SADEV 6-speed semi-automatic sequential gearbox
Power	180–185 hp (134–138 kW)
Weight	570 kg (1,257 lb) including driver
Fuel	Various unleaded control fuel
Lubricants	Various
Brakes	4-piston calipers Ventilated aluminum brake discs
Tyres	Various
Competition history
Debut	2021

History

In January 2021, it was first announced that the car would go into production to make its competitive debut in the 2022 Formula 4 UAE Championship, as the successor of the Tatuus F4-T014, featuring the introduction of the halo and other improved safety features.^[6] Over the course of 2021, many Formula 4 championships announced their intent to use the car in the 2022 season: the Italian F4 Championship,^[7] F4 British Championship,^[8] F4 Spanish Championship, Formula 4 UAE Championship, F4 Brazilian Championship, ACCR Formula 4 Championship and ADAC Formula 4.

The car first began testing in September 2021.^[9] The car made its competition debut in the 2022 Formula 4 UAE Championship, and featured in the 2022 seasons of all announced championships excluding the ACCR Formula 4 Championship, which was postponed due to global supply chain issues.^[10]

Championships

Year introduced	Country	Championship	Season introduced
2022	Italy	Italian F4 Championship	2022
	Germany	ADAC Formula 4	2022
	Spain	F4 Spanish Championship	2022
	United Kingdom	F4 British Championship	2022
	United Arab Emirates	F4 UAE Championship	2022
	Brazil	F4 Brazilian Championship	2022
2023	Austria Czech Republic Hungary Slovakia	Formula 4 CEZ Championship	2023
	Spain	Formula Winter Series	2023
	International	F1 Academy	2023
	China Malaysia	Formula 4 South East Asia Championship	2023
2024	Saudi Arabia	F4 Saudi Arabian Championship	2024
	Australia	Formula 4 Australian Championship	2024
	Mexico	NACAM Formula 4 Championship	2024

References

1. "Art. 5. 2022 FIA Central European Zone Circuit Racing Championship and Endurance Championship" (PDF). CEZ Motorsport. pp. 6–11. Archived (PDF) from the original on 26 June 2024. Retrieved 14 November 2024.
2. Gascoigne, Roger (23 October 2021). "ADAC F4 continues with Tatuus-Abarth combination for 2022". Formula Scout. Archived from the original on 21 June 2024. Retrieved 14 November 2024.
3. "Abarth alongside the champions of the future in ADAC F4 and British F4". Stellantis Media Website (Press release). Stellantis. 22 April 2022. Archived from the original on 15 December 2023. Retrieved 14 November 2024.
4. McNamara, Rebecca (26 November 2021). "F4 British Championship certified by FIA launches 2022 car and unveils ROKiT as Title Partner".
5. McNamara, Rebecca (10 November 2021). "Inside the world's safest FIA Formula 4 car".
6. Wood, Ida (16 January 2021). "Next-generation Formula 4 car set to hit the track this year". Formula Scout. Archived from the original on 22 February 2024. Retrieved 14 November 2024.
7. Wood, Ida (8 October 2021). "Italian F4 keeps Abarth power for Gen2, visits Spa in 2022". Formula Scout. Archived from the original on 20 February 2024. Retrieved 14 November 2024.
8. "F4 British Championship certified by FIA launches 2022 car and unveils ROKiT as Title Partner". F4 British Championship. 26 November 2021. Archived from the original on 21 July 2024. Retrieved 14 November 2024.
9. Wood, Ida (16 September 2021). "Gallery: Tatuus begins testing of second-generation F4 car". Formula Scout. Archived from the original on 4 March 2024. Retrieved 14 November 2024.
10. Wood, Ida (6 July 2022). "ACCR F4 series delayed to 2023, Trophy events to run for old cars". Formula Scout. Archived from the original on 18 April 2024. Retrieved 14 November 2024.

External links

• Tatuus website