Dallara F317
The Dallara F317 is an open-wheel racing car developed by Italian manufacturer Dallara for use in all Formula Three categories. The F317 is the thirty-seventh car used by the FIA-sanctioned Formula Three championships. Although the F317 is only an aero-upgraded F312 chassis, it works as a replacement for the aging Dallara F312 chassis. However, some series like the Euroformula Open Championship opted for a slightly upgraded F312 chassis instead of the F317 package to keep costs low.
| Category | Formula Three |
|---|---|
| Constructor | Dallara |
| Designer(s) | Luca Pignacca Andrea Toso Ferdinando Concari |
| Predecessor | Dallara F312 |
| Successor | Dallara 320 |
| Technical specifications | |
| Chassis | Carbon fibre monocoque |
| Suspension (front) | Pushrod with twin-damper system and torsion-bar springs |
| Suspension (rear) | Pushrod with twin-damper system and coils springs |
| Length | 4,351 mm (171 in) |
| Width | 1,845 mm (73 in) including tyres |
| Height | 945 mm (37 in) |
| Wheelbase | 2,800 mm (110 in) |
| Engine | Various manufacturers (Mercedes-Benz F3 414, Volkswagen Spiess 0XY, Tomei-ThreeBond TB14F3, TOM's Toyota TAZ31, Mugen-Honda MF204D and Toda TR-F301) 2.0 L (122 cu in) inline-4 engine naturally-aspirated, longitudinally mounted in a mid-engined, rear-wheel drive layout |
| Transmission | 6-speed semi-automatic sequential gearbox |
| Power | 240 hp (179 kW) |
| Weight | 580 kg (1,279 lb) including driver |
| Fuel | Various unleaded control fuel |
| Lubricants | Various |
| Brakes | Carbon brake discs, 6-piston calipers and pads |
| Tyres | Various |
| Competition history | |
| Debut | 2017 |
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