General Electric GE90-115B rating |aircraft investigation info|aircraft engines

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performance calculations for the General Electric GE90-115B aircraft engine

General Electric GE90-115B turbofan engine

General Electric GE90-115B turbofan engine of 513.0 [KN] (115325 [lbf]) thrust

introduction : 2005 country : USA importance : ***

applications : Boeing 777-300ER

max. rating (take-off) : 513.0 [KN] (115325 [lbf], 52311 [kgf])

weight engine(s) dry : 8762.0 [kg] = 58.55 [N/kg]

General information : world’s most powerful jet engine in use on a commercial jetliner.

It has 22 carbon fiber composite fan blades, being considerably lighter and even

stronger than the titanium fan blades used in previous turbofan engine types.

One fan blades measures 1.2 [m] and weighs less than 23 [kg].

by-pass ratio : 9.00 : 1

overall pressure ratio (OPR) : 42.0 : 1

noise category : S2 TO-noise level : 90.0 [EPNdB]

rpm LP : 2355 [rpm]

rpm HP : 9332 [rpm]

axial flow engine

arrangement : 1 Fan followed by :

LP compressor stages : 4 [ ]

HP compressor stages : 9 [ ]

HP turbine stages : 2 [ ]

LP turbine stages : 6 [ ]

stages : 1 + 4 + 9 + 2 + 6

turbine inlet temperature : 0 [K]

fan diameter : 330.0 [cm] engine diameter : 377.0 [cm]

air mass flow : 687 [kg/s]

airflow/fan area : 0.32 [kg/m2/s]

Vjet at take-off brake-release : 2686.93 [km/h]

design hours : 26790 [hr] time between overhaul : 7232 [hr]

estimated specific fuel consumption (cruise power) :48.0 [kg/KNh]

Boeing 747 General Electric test aircraft with General Electric GE90-115B turbofan engine under the wing

GE90-115B mounted on the GE 747 test aircraft. The 747 could fly on the GE90-115B engine only with the other engines in idle.

Literature :

DISCLAIMER Above calculations are based on published data, they must be

regarded as indication not as facts.

Calculated performance and weight may not correspond with actual weights

and performances and are assumptions for which no responsibility can be taken.

Calculations are as accurate as possible, they can be fine-tuned when more data

is available, you are welcome to give suggestions and additional information

so we can improve our program. For copyright on drawings/photographs/

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