480hp air-cooling 9 cyl. M-22 engine was a licence built French Gnome-Rhône Jupiter IV, developed by British Bristol company in 1925. First licensed (and converted for metric system) by French manufacturer, it was licensed and build (as a Gnome-Rhône) in the USSR, Germany, Italy and Czechoslovakia. One of the best engines of its time.
High altitude engine. Cylinder design was a challenge for manufacturers: four-valve head made of light alloy was mounted to the steel bottom.
It manufactured at State Factory 29 in Aleksandrovsk until 1936. It was normally fitted with fixed pitch two bladed V-22 metal propeller. "In Service" until 1937 - 1938.
|M-22||193*?||9cyl a.c.||360kW 480hp||