Arrius 2R

Engine model
Manufacturer Safran Helicopter Engines
Engine type Turboshaft

Technical specifications

Design
Compressor stages
1
Control system Dual channel EECU + auxiliary fuel metering back-up control
Gas generator stages
1
Power turbine stages
1
Dimensions
Height
0.68 m
2.23 ft
Length
0.93 m
3.05 ft
Width
0.55 m
1.8 ft
Power limits
Max. continuous power
355 kW
476 hp
Max. takeoff power
389 kW
522 hp
Rotation speeds
N1 RPM
54,117
N2 RPM
42,014
Output shaft RPM
5,610
Torque limits
Max. continuous torque
55 daN/m
405.7 lbf⋅ft
Max. takeoff torque
60 daN/m
442.5 lbf⋅ft
Max. transient overtorque
66 daN/m
486.8 lbf⋅ft
Weights
Dry weight
120 kg
265 lb