Pratt & Whitney JT3D

Bypass Ratio

1.42

Diameter

1346.2 mm

Length

3614.42 mm

Dry Weight

2088.793 kg

Thrust To Weight

3.9

Architecture

Fan	Fan Stages —	Fan Blades —	Fan Technology —	Fan Pressure Ratio —
Gearbox	Geared Fan No	Gear —	Reduction Ratio —
LP compressor	Low-Pressure Compressor Stages —	Low-Pressure Compressor Technology —	BP Compressor Pressure Ratio —
IP compressor	Intermediary-Pressure Compressor Stages —	Intermediary-Pressure Compressor Technology —	IP Compressor Pressure Ratio —
HP compressor	High-Pressure Compressor Stages —	High-Pressure Compressor Technology —	HP Compressor Pressure Ratio —
Combustor	Combustion Chamber cannular, 8 flame tubes
HP turbine	High Pressure Compressor Stages —	High-Pressure Turbine Technology —
IP turbine	Intermediary-Pressure Turbine Stages —	Intermediary-Pressure Turbine Technology —
LP turbine	Low-Pressure Turbine Stages —	Low-Pressure Turbine Technology —
Whole engine	Streams 2	Bypass Ratio 1.42	Overall Pressure Ratio —	Afterburner No

No pictures yet for this family.

Name	Aircraft Engine	Number of Engines	Length (m)	Flat Wing Span (m)	Max Seating
Boeing 707	Pratt & Whitney JT3D	4	46.3296	44.196	194
Boeing B-52 Stratofortress	Pratt & Whitney JT3D	8	48.5	56.4
Boeing CC-137	Pratt & Whitney JT3D	4	46.61	44.42	170
Lockheed C-141 Starlifter	Pratt & Whitney JT3D	4	51.3	48.8
Northrop Grumman E-8 Joint STARS	Pratt & Whitney JT3D	4	46.61	44.42

All data (16 fields)

Name: Pratt & Whitney JT3D
Aircraft Engine Manufacturer: Pratt & Whitney
Aircraft Engine Type: Turbofan
Dry Weight (kg): 2088.793
Diameter (mm): 1346.2
Length (mm): 3614.42
Wikipedia Article (URL): en.wikipedia.org/wiki/Pratt_%26_Whitney_JT3D
Fuel: Mil-J-5624 / JP-4 / JP-5
Geared Fan: No
Combustion Chamber: cannular, 8 flame tubes
Afterburner: No
Streams: 2
Bypass Ratio: 1.42
Thrust To Weight: 3.9
Compressor Description: Axial flow, 2-stage fan, 6-stage LP compressor and 7-stage HP compressor
Turbine Description: Axial flow, single stage HP turbine and 3-stage LP turbine