Arriel 2S2

Engine model
Manufacturer Safran Helicopter Engines
Engine type Turboshaft

Technical specifications

Design
Compressor stages
2
Control system Dual channel EECU + auxiliary back-up control
Gas generator stages
2
Power turbine stages
1
Dimensions
Height
0.72 m
2.36 ft
Length
1.54 m
5.05 ft
Width
0.5 m
1.64 ft
Power limits
Max. continuous power
601 kW
806 hp
Max. takeoff power
601 kW
806 hp
Rotation speeds
N1 RPM
52,110
N2 RPM
39,095
Output shaft RPM
6,409
Torque limits
Max. continuous torque
92.5 daN/m
682.2 lbf⋅ft
Max. takeoff torque
92.5 daN/m
682.2 lbf⋅ft
Max. transient overtorque
143 daN/m
1,054.7 lbf⋅ft
Weights
Dry weight
131 kg
289 lb