General Electric GEnx
Specifications

Variant
1B70
1B74/75
1B76
2B67B
Application
787-8
787-9
787-10
747-8
Fan Diameter
111.1 in (2,822 mm)
111.1 in (2,822 mm)
111.1 in (2,822 mm)
104.7 in (2,659 mm)
Compressor
1 Fan 4 LP 10 HP
1 Fan 4 LP 10 HP
1 Fan 4 LP 10 HP
1 Fan 3 LP 10 HP
Turbine
2 HP 7 LP
2 HP 7 LP
2 HP 7 LP
2 HP 6 LP
Takeoff thrust
69,800 lbf (310 kN)
74,100 lbf (330 kN)
76,100 lbf (339 kN)
66,500 lbf (296 kN)
Takeoff Bypass ratio
9.0
8.8
8.8
8.0
Top-of-climb OPR
53.3
55.4
58.1
52.4
Takeoff air per sec.
2,559 lb (1,161 kg)
2,624 lb (1,190 kg)
2,658 lb (1,206 kg)
2,297 lb (1,042 kg)
Flange to flange
184.7 in (4,691 mm)
184.7 in (4,691 mm)
184.7 in (4,691 mm)
169.7 in (4,310 mm)
Nominal RPM
LP 2,560, HP 11,377
LP 2,560, HP 11,377
LP 2,560, HP 11,377
LP 2,835, HP 11,377
Dry weight
13,552 lb (6,147 kg)
13,552 lb (6,147 kg)
13,552 lb (6,147 kg)
12,397 lb (5,623 kg)
Thrust/weight
5.15
5.47
5.62
5.36

Question: What is the fan diameter for the GEnx 787-8 and the 747-8 Applications?
Answer: The GEnx has a fan diameter of 111.1 in (2,822 mm) for the 787-8 and 104.7 in (2,659 mm) for the 747-8.