Turbomeca Arrius
The Turbomeca Arrius is one of a family of turboshaft engines for helicopter use, first produced in 1981. As of 2012, some 2,700 units had been sold. Power ranges between 357 kW (479 shp) and 530 kW (716 shp) for different versions. Following Turbomeca tradition, the Arrius was named after a Pyrenean peak (pic d'Arrius), located in the Ossau Valley near Pau.
| Arrius | |
|---|---|
 | |
| Turbomeca Arrius 1B | |
| Type | Turboshaft |
| National origin | France |
| Manufacturer | Safran Helicopter Engines |
| First run | 1981 |
| Major applications | Eurocopter EC120 Colibri Eurocopter EC135 Kamov Ka-226 |
| Number built | 2800 |
Variants
- Arrius 1A
- Arrius 1A1
- Arrius 1M
- Arrius 2B1
- Arrius 2B1A
- Arrius 2B2
- Arrius 2F
- Arrius 2K1
- Arrius 2K2
- Arrius 2G1
- Arrius 2R
Applications
Turboshafts
- Eurocopter AS355 N Ecureuil 2 (2 x Arrius 1A)
- Eurocopter AS355 NP Ecureuil 2 (2 x Arrius 1A1)
- Eurocopter AS555 Fennec (2 x Arrius 1M)
- Eurocopter EC135 T1 (2 x Arrius 2B1/2B1A)
- Eurocopter EC135 T2 (2 x Arrius 2B2)
- Eurocopter EC635 T1 (2 x Arrius 2B1/2B1A)
- Eurocopter EC635 T2 (2 x Arrius 2B2)
- Eurocopter EC120B Colibri (1 x Arrius 2F)
- Agusta A109 Power (2 x Arrius 2K1/2K2)
- Kamov Ka-226T (2 x Arrius 2G1)
- Bell 505 Jet Ranger X (1 x Arrius 2R)
Gas generator
Specifications (Arrius 1A)
Data from FAA Type Certificate Data Sheet.[2]
General characteristics
- Type: Twin-spool free-turbine turboshaft
- Length: 63 in (1601 mm)
- Diameter: 17.2 in (436 mm)
- Dry weight: 223.3 lb (101.3 kg)
Components
- Compressor: Single stage centrifugal
- Combustors: Annular reverse flow combustion chamber
- Turbine: Single stage power turbine, single stage gas generator turbine
Performance
- Maximum power output: 520 shp (388 kW)
- Turbine inlet temperature: 870 C
- Power-to-weight ratio:
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References
Notes
- Flight 1953
- FAA Type Certificate Data Sheet Retrieved: 2 November 2008
Bibliography
- "Aircraft Intelligence". Flight. Vol. LXIII no. 2309. 24 April 1953. p. 513.
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