Arrius 1A1

Engine model
Manufacturer Safran Helicopter Engines
Engine type Turboshaft

Technical specifications

Design
Compressor stages
1
Control system Single channel EECU + manual backup control
Gas generator stages
1
Power turbine stages
1
Dimensions
Height
0.59 m
1.94 ft
Length
1.6 m
5.25 ft
Width
0.44 m
1.44 ft
Power limits
Max. continuous power
305 kW
409 hp
Max. takeoff power
343 kW
460 hp
Rotation speeds
N1 RPM
54,117
N2 RPM
45,438
Output shaft RPM
6,016
Torque limits
Max. continuous torque
56 daN/m
413 lbf⋅ft
Max. takeoff torque
63 daN/m
464.7 lbf⋅ft
Max. transient overtorque
77 daN/m
567.9 lbf⋅ft
Weights
Dry weight
103 kg
227 lb

Aircraft models

Manufacturer Name Aircraft family
Airbus Helicopters AS355 NP Écureuil 2 Helicopter