250-C20

Engine model
Manufacturer Rolls-Royce
Engine type Turboshaft

Technical specifications

Design
Compressor stages
7
Control system Hydromechanical
Gas generator stages
2
Power turbine stages
2
Dimensions
Height
0.59 m
1.94 ft
Length
1.04 m
3.41 ft
Width
0.48 m
1.57 ft
Power limits
Max. continuous power
287 kW
385 hp
Max. takeoff power
298 kW
400 hp
Rotation speeds
N1 RPM
50,970
Output shaft RPM
6,016
Torque limits
Max. continuous torque
45.6 daN/m
336.3 lbf⋅ft
Max. takeoff torque
49.8 daN/m
367.3 lbf⋅ft
Max. transient overtorque
53.3 daN/m
393.1 lbf⋅ft
Weights
Dry weight
72 kg
159 lb

Aircraft models

Manufacturer Name Aircraft family
MBB BO105 C23 Helicopter
MBB BO105 CS Helicopter
MBB BO105 D Helicopter
MBB BO105 DS Helicopter