Ivchenko AI-26

AI-26
Polish-made AI-26V (LIT-3) used to power SM-1 (Mi-1) helicopter, displayed in Finnish Aviation Museum
Type Radial engine
National origin Soviet Union
Manufacturer Ivchenko
First run 1945
Major applications Mil Mi-1

The Ivchenko AI-26 is a seven-cylinder air-cooled radial engine used in early Soviet helicopters and later used in light utility aircraft.