Kuznetsov NK-25

Turbofan · Kuznetsov Design Bureau
Reaction Turbines
Maximum Takeoff Thrust
245 kN
Bypass Ratio
1.45
Diameter
1770 mm
Length
7300 mm
Dry Weight
3575 kg
Thrust To Weight
6.99

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 Annular multi-nozzle combustion chamber
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 1.45 Overall Pressure Ratio — Afterburner Yes

Pictures

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Airplanes

Name Aircraft Engine Number of Engines Length (m) Flat Wing Span (m)
Tupolev Tu-22M Kuznetsov NK-25 2 42.46 34.28

Similar reaction turbines

Name Aircraft Engine Manufacturer Maximum Takeoff Thrust (kN) Bypass Ratio Overall Pressure Ratio
Kuznetsov NK-6 Kuznetsov Design Bureau 216 1.79 Compare
Kuznetsov NK-22 Kuznetsov Design Bureau 215.76 0.6 Compare
RB211-524G Rolls-Royce 253 4.25 32.1 Compare
RB211-524G-T Rolls-Royce 253 4.25 32.1 Compare
CF6-50C2B GE Aircraft Engines 236.7 4.3 29.06 Compare
CF6-50E2B GE Aircraft Engines 236.7 4.3 29.06 Compare
All data (17 fields)
Name
Kuznetsov NK-25
Aircraft Engine Manufacturer
Kuznetsov Design Bureau
Aircraft Engine Type
Turbofan
Dry Weight (kg)
3575
Diameter (mm)
1770
Length (mm)
7300
Wikipedia Article (URL)
en.wikipedia.org/wiki/Kuznetsov_NK-25
Geared Fan
No
Combustion Chamber
Annular multi-nozzle combustion chamber
Afterburner
Yes
Streams
2
Bypass Ratio
1.45
Maximum Takeoff Thrust (kN)
245
Thrust To Weight
6.99
Afterburner Thrust (kN)
245
Compressor Description
3-stage LP, 5-stage IP and 7-stage HP
Turbine Description
4-stage axial turbine