first production Ivchenko AI-14 was qualified in 1947.
Thousands have been built both for fixed wing and helicopter
The AI-14 is still in production by the Vedeneyev
design bureau (VMKB) as the M-14 making it the only radial engine still in production
in the world (per Richard Goode Aerobatics' link below).
(also spelt Quzhou) license built the AI-14 in China as the Huosai HS-6.
|Nine cylinder, air-cooled, radial engine|
|Displacement: 620 cubic inches (10.2 liters)|
|Bore x stroke: 105 x 130 mm|