

Turboprop aircraft engine NK-12
The NK-12 aircraft engine is designed for use on the An-22, the A-90 Orlyonok ekranoplan.
This engine is increasingly used in the gas transportation sector. Retrofitting the engine with a free turbine (FT) makes its use extremely effective at gas transportation system stations such as the GPCA-6.3.
NK-12 specifications:
· Weight – 2900 kg.;
· Length – 6000 mm.;
· Diameter – 1005 mm.;
· Takeoff power – 12500 hp;
· Service life – 150 hours;
· Gas temperature before turbine – 877 degrees;
· Compression ratio – 9.5;
· Fuel consumption in cruising mode – 0.165 kg/e.hp. h;