Maintenance of the D-30 Commercial Aero Engines Series 2 & 3, TV2-117A and TV2-117AG Helicopter Engines

In-service technical support of D-30 Series 2 and 3 engines at Tu-134À, Tu-134B aircraft and TV2-117A, TV2-117AG turboshaft engines at Mi-8 helicopters is conducted by the Customer Support Department of Perm Engine Company and Motorservice-PM using traditional systems.

Warranty service - applies to the engines overhauled by Perm Engine Company within the warranty life and warranty time of service.

Service support under contracts with airlines - applies to the engines after expiration of their warranty lives and to the engines overhauled by commercial aviation overhaul plants.

Extension of lives in hours, cycles and calendar time of service due to high reliability after survey of technical condition in compliance with approved technical documentation.

Helicopter Mi-8 power unit consists of two engines and gearbox VR-8A.

 

 

 

 


BASIC TECHNICAL DATA OF TV2-117AG ENGINE AND ITS MODIFICATIONS

Take-off mode

Power, h.p.                                                                    1500

Specific fuel consumption, g/h.p.۰h.                         275

Power turbine speed, rpm                                          2000

Compressor pressure ratio                                        6.6

Air flow, kg/s                                                                   8.0

Cruise mode

Specific fuel consumption, g/h.p.۰h.                         310

Overall dimensions (length, width, height), mm    2843*550*748

Dry mass, kg                                                                 334

DESIGN FEATURES OF TV2-117AG ENGINE

Axial-flow 10-stage compressor

  • 2-stage compressor turbine
  • 2-stage power turbine
  • Annular combustion chamber with eight fuel injection nozzles and two starting igniters

Basic technical data and design features of D-30 engines are given on web-page "D-30 Turbojet by-pass aero engine".