General Electric GE90
Specifications

General Electric GE90

Section Title: Specifications
Table Section Text: None

Variant	76B/-77B/-85B/-90B/-94B	110B1/-113B/-115B

Type	Dual rotor, axial flow, high bypass ratio turbofan

Compressor	1 fan, 3-stage LP, 10-stage HP	1 fan, 4-stage LP, 9-stage HP

Turbine	2-stage HP, 6-stage LP

Length	286.9 in (729 cm)	286.67 in (728.1 cm)

Max. width	152.4 in (387 cm)	148.38 in (376.9 cm)

Max. height	155.6 in (395 cm)	154.56 in (392.6 cm)

Fan diameter	123 in (310 cm)	128 in (330 cm)

Weight	17,400 lb (7,893 kg)	19,316 lb (8,762 kg)

Takeoff thrust	81,070–97,300 lbf 360.6–432.8 kN	110,760–115,540 lbf 492.7–513.9 kN

LP rotor speed	2,261.5 RPM	2,355 RPM

HP rotor speed	9,332 RPM

Bypass ratio	8.4 - 9	9

Pressure ratio	40:1	42:1

Thrust-to-weight ratio	5.59	5.98

Takeoff TSFC	0.278 lb/lbf/h (7.86g/kN/s)

Cruise TSFC	0.545 lb/lbf/h (15.4 g/kN/s)

Sentence(s)

The fan diameter of the original series is 123 in (310 cm) while the variant 115B has a fan diameter of 128 in (330 cm).

final_sentence: The fan diameter of the original series is 123 in (310 cm) while the variant 115B has a fan diameter of 128 in (330 cm).