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performance calculations for the Engine Alliance GP7270 aircraft engine

Engine Alliance GP7270 turbofan engine of 332.44 [KN] (74734 [lbf]) thrust

introduction : 2006 country : us importance : ok

applications : Airbus A380 Emirates

max. rating (take-off) : 332.44 [KN] (74734 [lbf], 33899 [kgf])

weight engine(s) dry : 6712.0 [kg] = 49.53 [N/kg]

General information :

The GP7200 HP core technology is derived from GE's  GE90  and its LP sections are based on the  PW4000  expertise.

by-pass ratio : 8.80 : 1

overall pressure ratio (OPR) : 43.9 : 1

noise category : S2 TO-noise level : 90.4 [EPNdB]

rpm HP : 13000 [rpm]

axial flow engine

arrangement : 1 Fan followed by :

LP compressor stages : 5 [ ]

HP compressor stages : 9 [ ]

HP turbine stages : 2 [ ]

LP turbine stages : 6 [ ]

stages : 1 + 5 + 9 + 2 + 6

turbine inlet temperature : 0 [K]

fan diameter : 296.0 [cm] engine diameter : 316.0 [cm]

air mass flow : 1200 [kg/s]

airflow/fan area : 0.70 [kg/m2/s]

Vjet at take-off brake-release : 997.32 [km/h]

design hours : 19231 [hr] time between overhaul : 5200 [hr]

estimated specific fuel consumption (cruise power) :45.0 [kg/KNh]

Literature :

Engine Alliance GP7000 - Wikipedia

confidence rating regarding source data : medium - all information is only available from news, social media or unofficial sources

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/

content please mail to below mail address

(c) B van der Zalm 30 October 2024 contact : info.aircraftinvestigation@gmail.com ac jetpax 2020.py python 3.7.4

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