Aircraft engine: Shvetsov M-11FR
USSR
radial engine
1955
| Configuration | 5-cylinder radial |
| Cooling | air-cooled |
| Displacement | 8.6 l (524,8 cu in) |
| Compression ratio | 5.0 |
| Weight | 160 kg (3537 lb) |
| Maximum power | 160 hp at 1900 RPM |
| Climb power | 140 hp at 1760 RPM |
Designed by Arkadiy Dmitrievich Shvetsov in cooperation with N. B. Okromeshek. The M‑11 was the first Soviet air cooled engine to enter service. In entered production in 1926 and was was built in large numbers. Various modifications extending the engine’s lifetime were introduced. The M 11FR variant, with the power output increased to 160 hp, was developed in 1944. The M 11FR engine was used in the Yakovlev Yak‑12, Yak‑18 and WSK TS‑9 Junak 3 aircraft.
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Dofinansowano ze środków Ministra Kultury i Dziedzictwa Narodowego 
