Aircraft engine: M-11

The Soviet Union
the in-line and the radial engines since 1920's until the present times

Capacity 8,0 l. Rated at (depending on version) 100-160 HP.
Five cylinder radial configuration.
Air cooled. This engine's system features the most advantageous power-to-weight ratio. It was chosen for the designed at the Nikolai Polikarpov construction bureau, the school and training aircraft, known widely as the Po-2. The designer of the M-11 engine was engineer Arkadyi Shvetsov, who designed the engine with big technological margin. This enabled the engine?s further development and the increase of power. The engine was built non-stop until 1952. About 160 000 examples were built.
It was also produced on licence in Poland and in People's China.
Powered the Po-2, the Yak-12, the Yak-18 and the WSK Junak.

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