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| 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 |
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]
- ^ "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.
- ^ 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.
- ^ "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.
- ^ McNamara, Rebecca (26 November 2021). "F4 British Championship certified by FIA launches 2022 car and unveils ROKiT as Title Partner".
- ^ McNamara, Rebecca (10 November 2021). "Inside the world's safest FIA Formula 4 car".