Turbomeca Arrius

Arrius
Turbomeca Arrius 1B
Type	Turboshaft
National origin	France
Manufacturer	Turbomeca
First run	1981
Major applications	Agusta A109 Eurocopter Ecureuil

The Turbomeca Arrius is a family of turboshaft engines for helicopter use, first produced in 1981. As of 2007, some 2,000 units had been sold. Power ranges between 357 kW (479 shp) and 530 kW (716 shp) for different versions. As per Turbomeca tradition, the Arrius was named after a pyrenean peak (pic d'Arrius, located in the Ossau valley near Pau).

Contents 1 Variants 2 Applications 3 Specifications (Arrius 1A) 4 References 5 External links

Variants

Arrius 1A

Arrius 1A1

Arrius 1M

Arrius 2F

Arrius 2G2

Arrius 2B1

Arrius 2B1A

Arrius 2B2

Arrius 2K1

Arrius 2K2

Applications

• 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)
• Agusta A109 Power (2 x Arrius 2K1/2K2)
• 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)
• Kamov Ka-226T (2 x Arrius 2G2)

Specifications (Arrius 1A)

Data from:^[1]

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:

References

External links

• Turbomeca website

Turbomeca aero engines Gas generators Palouste Turbojets Gabizo · Marboré · Palas · Piméné Turbofans Aspin · Astafan · Aubisque Turboprops/Turboshafts Arriel · Arrius · Artouste · Astazou · Bastan · Makila · Marcadau · TM 333 · Turmo Joint development HAL/Turbomeca: Ardiden/Shakti (Turboshaft) MTU Turbomeca Rolls-Royce: MTR390 (Turboshaft) Rolls-Royce Turbomeca Limited: Adour (Turbofan) · RTM322 (Turboshaft) Snecma/Turbomeca: Larzac (Turbofan)

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