Dallara SF19

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Dallara SF19
ROOKIE Racing PONOS SF19 14Hao Che .jpg
Toyota-powered SF19 of Rookie Racing in 2020
Category Super Formula
Constructor Dallara
Predecessor Dallara SF14
Successor Dallara SF23
Technical specifications [1]
Chassis Sandwich Carbon/aluminium honeycomb structure designed by Dallara [ citation needed ]
Suspension (front)Pushrod with torsion bar
Suspension (rear)Pushrod
Length5,233 mm (206 in)
Width1,910 mm (75 in)
Height960 mm (38 in)
Wheelbase 3,115 mm (123 in)
Engine Honda HR-417E or Toyota RI4A, 2,000 cubic centimetres (2 litres; 122 cubic inches), I4, Turbocharged (supplied by Garrett), mid-mounted
Transmission Ricardo 6 forward + 1 reverse semi-automatic paddle-shift
Power550 brake horsepower (560 PS; 410 kW)
500 newton-metres (370 lbf⋅ft)
Weight670 kg (1,477.1 lb) (including driver)
Fuel super-unleaded 100 RON [ citation needed ]
Brakes Calipers: Brembo (carbon)
Discs: Brembo (carbon)
Tyres Yokohama Advan (front: 270/620-R13, rear: 360/620-R13)
Competition history
Notable entrantsAll Super Formula entrants
Notable driversAll Super Formula entrants
Debut 2019 Super Formula Suzuka round

The Dallara SF19 is an open-wheel single-seater chassis produced by Dallara for use in the Japanese Super Formula championship. It debuted in 2019, replacing the Dallara SF14 chassis. Throughout its production, it was the sole chassis used in Super Formula, however an engine development war between Honda and Toyota can lead to significant performance differences between the Honda and Toyota powered models. [2]

Contents

History

The single-seater was introduced in October 2017, on the Suzuka Circuit, and is the only one admitted to the Super Formula championship, the most important open-wheel racing car championship in Japan, starting from the 2019 season. [3]

The first run of the car took place in June 2018, at the Autodromo Riccardo Paletti in Varano de' Melegari, with the Japanese driver Tomoki Nojiri at its head. The driver completed 71 laps and also achieved a track record of 57 seconds, two seconds faster than the previous limit set by a LMP1 car. The first two cars produced were then shipped to Japan, for tests on Fuji Speedway. [4] Nojiri, tests in at home, completed 129 laps, in two days, even if only on the second day he was able to fit dry tires after the rain of the first day. The time obtained, 1'26"173, is two seconds lower than the pole position of 2017, obtained from the SF14. [5] During the tests carried out in August, Nojiri also tried a new display model, placed on the helmet visor. [6]

Technical specifications

The car, compared to the SF14, is based on greater use downforce generated by the underfloor, shifting the balance from the wings to ground effect, in order to increase the chances of overtaking. The appearance is more similar to that of an F1 car, with a fin on the hood, and of the more pronounced sidepods. [3] The Halo is not foreseen in the original project, but Dallara has studied the possibility of its presence. [5]

The Honda and Toyota engines are derived from the ones used in the Super GT series, and are 2.0-litres in displacement, with fuel limiter and push to pass system. [7]

Related Research Articles

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References

  1. ↑ "Super Formula Series Outline". Archived from the original on 15 February 2018. Retrieved 19 April 2019.
  2. ↑ "16番グリッドから6位の山本尚貴、本番での"エンジン差"を痛感した平川亮。タイトル候補たちの開幕戦 | スーパーフォーミュラ | autosport web". AUTO SPORT web (in Japanese). 5 April 2021. Archived from the original on 17 April 2021. Retrieved 17 April 2021.
  3. 1 2 Marco Cortesi (21 October 2017). "Presentata la Dallara SF19-Obiettivo: più sorpassi". italiaracing.net. Archived from the original on 7 September 2018. Retrieved 7 September 2018.
  4. ↑ Rachit Thukral (16 June 2018). "New Super Formula SF19 car completes first shakedown running". autosport.com. Archived from the original on 7 September 2018. Retrieved 7 September 2018.
  5. 1 2 Rachit Thukral (5 July 2018). "Super Formula to test halo with next-gen SF19 car". motorsport.com. Archived from the original on 7 September 2018. Retrieved 7 September 2018.
  6. ↑ Rachit Thukral (15 August 2018). "Super Formula team tests innovative visor display". motorsport.com. Archived from the original on 7 September 2018. Retrieved 7 September 2018.
  7. ↑ "SF 19: il nuovo bolide Dallara per il Giappone". parma.repubblica.it. 21 October 2017. Archived from the original on 7 September 2018. Retrieved 7 September 2018.
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