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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]

Quick Facts Constructor, Predecessor ...
Tatuus F4-T421
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ConstructorTatuus
PredecessorTatuus F4-T014
Technical specifications[1]
ChassisCarbon-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
Height950 mm (37 in)
Axle track1,510 mm (59 in) (front)
1,460 mm (57 in) (rear)
Wheelbase2,750 mm (108 in)
EngineAbarth FT-J/Autotecnica 1,368 cc (83 cu in) DOHC inline-4 turbocharged, longitudinally mounted in a mid-engined, rear-wheel drive layout
TransmissionSADEV 6-speed semi-automatic sequential gearbox
Power180–185 hp (134–138 kW)
Weight570 kg (1,257 lb) including driver
FuelVarious unleaded control fuel
LubricantsVarious
Brakes4-piston calipers Ventilated aluminum brake discs
TyresVarious
Competition history
Debut2021
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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]

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Championships

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References

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