Dallara SF23

The Dallara SF23 is an open-wheel single-seater chassis produced by Dallara for use in the Japanese Super Formula Championship. It debuted in 2023, replacing the Dallara SF19 chassis as the main chassis used in Super Formula.[1]

This article is about the Super Formula chassis. For the Ferrari Formula One car, see Ferrari SF-23.
Dallara SF23
CategorySuper Formula
ConstructorDallara
PredecessorDallara SF19
Technical specifications
EngineHonda HR-417E or Toyota TRD-01F I4 Turbocharged mid-mounted
Transmission6 forward + 1 reverse semi-automatic paddle-shift
BrakesCalipers: Brembo (carbon)
Discs: Brembo (carbon)
TiresYokohama Advan
Competition history
Notable entrantsAll Super Formula entrants
Notable driversAll Super Formula entrants
Debut2023

History

The single-seater SF23 was presented on 13 December 2022.[2] The car was developed through seven test sessions, covering 10,000 km (6,200 mi).[3]

Specifications

Compared to its predecessor, the SF23 has important aerodynamic differences in order to guarantee a greater possibility of overtaking. The ailerons, bellies and bottom are modified.[3] Like the SF19, it is equipped with engines supplied by Honda or Toyota.[1]

For some components of the bodywork, materials derived from flax fiber, cork and recycled carbon fiber are used.[2] This allows for a 75% reduction in carbon dioxide emissions in the production process.[3]

References
  1. "Super Formula confirms updated car for 2023 season". www.autosport.com. 13 December 2022. Retrieved 1 February 2024.
  2. Davide Reinato (13 December 2022). "Svelata la nuova SF23 per la Super Formula". quattroruote.it. Retrieved 30 December 2022.
  3. Alessandro Follis (13 December 2022). "Dallara presenta la nuova monoposto per la Super Formula giapponese". gazzetta.it. Retrieved 30 December 2022.
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