Power Plant System

For this post we will look at the engines for the Mi-17.

Here we have 2 TV3-117VM engines that produce 2225 shp (shaft horse power) for limited power takeoffs with maximum power up to 2500 shp.




Left TV3-117 Engine




Right TV3-117 Engine

The engine comprises the following components:

• An axial-flow 12 stage compressor;
• An annular combustion chamber;
• A 2 stage axial-flow compressor turbine;
• A 2 stage axial-flow free turbine;
• An exhaust unit;
• An accessory drive box.

Engine operation is provided by the following systems:

• Oil and breathing;
• Fuel control;
• Air bleed;
• Starting;
• Fire extinguishing.