Arriel 1B

Engine model
Manufacturer Safran Helicopter Engines
Engine type Turboshaft

Technical specifications

Design
Compressor stages
2
Control system Hydromechanical
Gas generator stages
2
Power turbine stages
1
Dimensions
Height
0.6 m
1.97 ft
Length
1.21 m
3.97 ft
Width
0.44 m
1.44 ft
Power limits
Max. continuous power
440 kW
590 hp
Max. takeoff power
478 kW
641 hp
Rotation speeds
N1 RPM
51,800
N2 RPM
39,635
Output shaft RPM
5,976
Weights
Dry weight
115 kg
254 lb

Aircraft models

Manufacturer Name Aircraft family
Airbus Helicopters AS350 B Écureuil Helicopter
Airbus Helicopters AS350 BA Écureuil Helicopter