Pratt & Whitney JT3D-1 rating |aircraft investigation info |aircraft engine

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performance calculations for the Pratt & Whitney JT3D-1

aircraft engine

Diagram JT3D-1

Pratt & Whitney JT3D-1

turbofan engine of 75.62 [KN] (17000 [lbf]) thrust

introduction : 1961 country : USA importance : ***

applications : Boeing 707-120B

max. rating (take-off) : 75.62 [KN] (17000 [lbf], 7711 [kgf])

weight engine(s) dry : 2089.0 [kg] = 36.20 [N/kg]

General information :

by-pass ratio : 1.42 : 1

overall pressure ratio (OPR) : 16.0 : 1

rpm HP : 0 [rpm]

axial flow engine

no water injection

LP compressor stages : 8 [ ]

HP compressor stages : 7 [ ]

HP turbine stages : 1 [ ]

LP turbine stages : 3 [ ]

stages : 8 + 7 + 1 + 3

fan diameter : 130.0 [cm] engine diameter : 0.0 [cm]

air mass flow : 230 [kg/s]

design hours : 769 [hr] time between overhaul : 385 [hr]

estimated specific fuel consumption (cruise power) :79.2 [kg/KNh]

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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

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