Pratt & Whitney JT3C-6 rating |aircraft investigation info |aircraft engine

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performance calculations for the Pratt & Whitney JT3C-6 aircraft engine

enrique262: “Pratt & Whitney JT3C-7 ” | Jet engine, Aircraft engine, Aviation

Pratt & Whitney JT3C-6 turbojet engine of 57.88 [KN] (13012 [lbf]) thrust

introduction : 1958 country : USA importance : ****

applications : Boeing 707-120

max. rating (take-off) : 57.88 [KN] (13012 [lbf], 5902 [kgf])

weight engine(s) dry : 1905.0 [kg] = 30.38 [N/kg]

General information : civil version of the military J57 jet engine

by-pass ratio : 0.00 : 1

overall pressure ratio (OPR) : 12.5 : 1

rpm HP : 0 [rpm]

axial flow engine

water-injection to boost take-off power

LP compressor stages : 9 [ ]

HP compressor stages : 7 [ ]

HP turbine stages : 1 [ ]

LP turbine stages : 2 [ ]

stages : 9 + 7 + 1 + 2

fan diameter : 99.1 [cm] engine diameter : 0.0 [cm]

air mass flow : 82 [kg/s]

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

estimated specific fuel consumption (cruise power) :92.5 [kg/KNh]

Descriptive Booklet - Pratt & Whitney Aircraft Engines, 'JT3C-7 Turbojet Engine For Short & Medium Range Operation', 1958

Turbojet Model Pratt & Whitney JT3C (J57) | National Air and Space Museum

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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