Kuznetsov NK-89

Last updated
NK-89
Type Turbofan
National origin Soviet Union
Manufacturer Kuznetsov Design Bureau
First run1989 [1]
Major applications Tupolev Tu-155
Tupolev Tu-156 [2]
Developed from NK-88

The Kuznetsov NK-89 was an experimental alternative fuel turbofan engine, designed by the Kuznetsov Design Bureau.

Contents

Development

The NK-89 was a modified version of the hydrogen-powered NK-88 [1] and was designed to run on both liquified natural gas [2] (LNG) and kerosene. [2] It was intended for use on the proposed Tupolev Tu-156, [2] a modified version of the Tupolev Tu-154B. [2] This aircraft was to have cryogenic tanks in the rear of the cabin and forward baggage hold to store the LNG. [2] Kerosene would be carried in the wing tanks. [2] In January 1989, a test flight of a prototype of this engine was carried out onboard of the Tupolev Tu-155 flying laboratory where LNG was used as fuel. [1]

By default, the engine would run on LNG, [2] but kerosene could be used when flying out of airports where LNG is unavailable [2] or in case of emergency. [2] The switch from LNG to kerosene could be made in-flight in 5 seconds. [2]

Applications

Specifications (NK-89)

Data from Otechestvennaya aviatsionno-kosmicheskaya tekhnika - SAMARSKIY NTK [1] and janes.migavia.com [2]

General characteristics

Components

Performance

See also

Comparable engines

Related lists

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References

  1. 1 2 3 4 5 6 7 Otechestvennaya aviatsionno-kosmicheskaya tekhnika - SAMARSKIY NTK (in Russian). Samara, Russia: SNTK imeni N.D.Kuznetsova. pp. 42, 43, 77.
  2. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 "TUPOLEV Tu-156". janes.migavia.com. Retrieved 8 October 2021.
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