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.

Variants

Arrius 1A

Arrius 1A1

Arrius 1M

Arrius 2F

Arrius 2G2

Arrius 2B1

Arrius 2B1A

Arrius 2B2

Arrius 2K1

Arrius 2K2

Applications

Turboshafts

• Agusta A109 Power (2 x Arrius 2K1/2K2)
• Bell SLS (1 x Arrius 2R)
• 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)
• Kamov Ka-226T (2 x Arrius 2G1)
• Mil Mi-34S2 (1 x Arrius 2F)

Gas generator

• SNCASO Farfadet^[1]

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:

See also

Related lists

• List of aircraft engines

References

Notes

Bibliography

External links

Wikimedia Commons has media related to Turbomeca Arrius.

• Turbomeca website - Arrius