|Cutaway of a Turbomeca Arriel|
|Major applications||Agusta A109 |
The Turbomeca Arriel is a series of French turboshaft engines that first ran in 1974. Delivering 650 to 1,000 hp (480 to 750 kW), over 12,000 Arriel engines have been produced from 1978 to 2018, logging more than 50 million flight hours for 40 helicopter applications. In June 2018, 1,000 Arriel 2D were in service, powering H125 and H130 single-engine helicopters, having logged one million flight hours since 2011. After endurance tests and fleet data analysis, their TBO increased by 25% to 5,000 hours and mandatory inspection rose to 15 years with no hourly limit, lowering maintenance costs.
The Zhuzhou WZ-8 (Turboshaft) and WJ-9 (Turboprop) was the designation for Turbomeca Arriel production in China.
- Agusta A109
- Eurocopter Dauphin
- Eurocopter Ecureuil
- Harbin Z-9
- Harbin Z-19
- MBB/Kawasaki BK 117
- Eurocopter EC145
- Sikorsky S-76
- Eurocopter ec155
Specifications (Arriel 1)
Data from FAA Type Certificate Data Sheet.
- Type: turboshaft
- Length: 112.2 cm (44.2 in)
- Diameter: 60 cm (24 in)
- Dry weight: 111 kg (245 lb)
- Compressor: Single-stage axial plus single-stage centrifugal
- Combustors: Annular combustion chamber
- Turbine: Single-stage power turbine, two-stage gas generator turbine
- Fuel type: Jet A1
- Maximum power output: 681 shp (508 kW)
- Turbine inlet temperature: 840 °C
- Power-to-weight ratio: 5kw/kg approx
- Gunston, Bill (1986). World Encyclopedia of Aero Engines. Wellingborough: Patrick Stephens. p. 166.
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