RB211 Trent 877-17

Engine model
Manufacturer Rolls-Royce
Engine type Turbofan

Technical specifications

Design
Fan blades
26
Fan stages
1
HP compressor stages
6
HP turbine stages
1
IP compressor stages
8
IP turbine stages
1
LP turbine stages
5
Dimensions
Fan diameter
2.8 m
9.19 ft
Length
4.57 m
14.99 ft
Performance
Bypass ratio
6.4:1
Pressure ratio
34.7:1
Rotation speeds
N1 RPM
3,300
N2 RPM
7,000
N3 RPM
10,611
Thrust limits
Max. continuous thrust
312.3 kN
70,210 lbf
Max. takeoff thrust
351 kN
78,910 lbf
Weights
Dry weight
6,078 kg
13,400 lb