RB211 Trent 970B-84

Engine model
Manufacturer Rolls-Royce
Engine type Turbofan

Technical specifications

Design
Fan blades
24
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
2.95 m
9.68 ft
Length
5.48 m
17.98 ft
Performance
Bypass ratio
7.1:1
Rotation speeds
N1 RPM
2,900
N2 RPM
8,300
N3 RPM
12,200
Thrust limits
Max. continuous thrust
319.6 kN
71,850 lbf
Max. takeoff thrust
348.3 kN
78,300 lbf
Weights
Dry weight
6,246 kg
13,770 lb

Aircraft models

Manufacturer Name Aircraft family
Airbus A380-841 Airplane