Fiat TwinAir engine
| TwinAir engine | |
|---|---|
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| Overview | |
| Manufacturer | Fiat Powertrain Technologies |
| Also called | SGE (Small Gasoline Engine) |
| Production | 2010–present |
| Layout | |
| Configuration | Straight-two |
| Displacement | 1.0 L (964 cc) (naturally aspirated) 0.9 L (875 cc) (turbocharged) |
| Cylinder bore | 83.5 mm (3.29 in) (naturally aspirated) 80.5 mm (3.17 in) (turbocharged) |
| Piston stroke | 88 mm (3.5 in) (naturally aspirated) 86 mm (3.4 in) (turbocharged) |
| Cylinder block material | Cast iron |
| Cylinder head material | Aluminium |
| Valvetrain | 8-valve, chain-driven single overhead camshaft, MultiAir |
| Compression ratio | 11.2:1 (naturally aspirated) 10.0:1 (turbocharged) |
| Combustion | |
| Turbocharger | Naturally aspirated Single turbocharger |
| Fuel system | Fuel injection |
| Fuel type | Gasoline Gasoline/CNG bifuel |
| Oil system | Wet sump |
| Cooling system | Water cooled |
| Output | |
| Power output | 60 PS (44 kW) (naturally aspirated) 80 PS (59 kW) (bifuel turbo) 85 PS (63 kW) or 105 PS (77 kW) (turbo) |
| Specific power | 62 PS/L (TwinAir 60) 97 PS/L (TwinAir 85) 120 PS/L (TwinAir 105) |
| Torque output | 88 N⋅m (65 ft⋅lb) at 3,500 rpm (naturally aspirated) 140 N⋅m (100 ft⋅lb) at 2,500 rpm (bifuel turbo) 145 N⋅m (107 ft⋅lb) at 2,000 rpm (turbo) |
| Chronology | |
| Predecessor | FIRE engine |
The SGE (Small Gasoline Engine), commercially known as TwinAir, is a inline-two engine designed and produced by Fiat Powertrain Technologies and mounted on several Fiat Group Automobiles vehicles.
Development and launch
Fiat's new SGE two-cylinder engine was first shown at Internationale Automobil-Ausstellung 2007 on the Fiat Panda Aria concept car.[1] The SGE in Panda Aria was an 80 PS, turbocharged, CNG-hydrogen mix and gasoline bifuel unit.
The production TwinAir engine was launched at the 2010 Geneva Motor Show in 85 PS, turbocharged gasoline form; it was first made available in July of the same year on the Fiat 500.[2]
Applications
Awards
- Technobest 2010[3]
- Die Besten Autos 2011:[4]
- Paul Pietsch Prize
- International Engine of the Year 2011:[5]
- International Engine of the Year
- Sub 1-litre class
- Best New Engine
- Best Green Engine
- International Engine of the Year 2013:
- Best Green Engine (TwinAir CNG bifuel)
See also
References
- ^ Borgomeo, Vincenzo (3 September 2007). "La Fiat Panda "va ad aria". Provocante concept car". la Repubblica (in Italian). Retrieved 5 September 2014.
- ^ "Geneva motor show 2010: Fiat reveals 2cyl Twin-Air engine". Autocar. 2 March 2010. Retrieved 5 September 2014.
- ^ "De Fiat Twinair wint de Technobest 2010 prijs". Auto Edizione (in Dutch). 14 September 2010. Retrieved 6 December 2014.
- ^ "TwinAir technology wins "Paul Pietsch" prize in "Die Besten Autos 2011" competition". Fiatpress. 28 January 2011. Retrieved 5 September 2014.
- ^ "Triumph by Fiat and Ferrari at the "International Engine of the Year Awards"". Fiatpress. 18 May 2011. Retrieved 5 September 2014.