The Antonov An-22 "Antei" is a retired heavy military transport aircraft designed by the Antonov Design Bureau in the Soviet Union. Powered by four turboprop engines, each driving a pair of contra-rot
Antonov An-22
Front view
Bottom view
Soviet 1965 postage stamp showcasing the An-22 success at the Paris Air Show
The Kuznetsov NK-12 is a Soviet turboprop engine of the 1950s, designed by the Kuznetsov design bureau. The NK-12 drives two large four-bladed contra-rotating propellers, 5.6 m diameter, and 6.2 m dia
Antonov An-22
…Fuel capacity: 43,000 kg (94,799 lb) maximum Powerplant: 4 × Kuznetsov NK-12MA turboprop engines, 11,000 kW (15,000 shp) each (equivalent) Propellers: 8-bladed contra-rotating constant-speed reversible-pitch propeller…
NK-12M Turboprop engine on a Tu-95 at RIAT Fairford 1993
The exhaust ports of a NK-12 in an outboard nacelle on a Tu-95
NК-12МV
A pair of Kuznetsov NK-12MAs installed on an Antonov An-22