Mikulin AM-39

Mikulin AM-39
Type	Liquid-cooled V-12 piston engine
Manufacturer	Mikulin
First run	1942
Major applications	Mikoyan-Gurevich I-220
Developed from	Mikulin AM-35

The Mikulin AM-39 was a 1940s Soviet aircraft piston engine. Representing a high-output version of the AM-35A, AM-39 was used on the Mikoyan-Gurevich I-220 and Polikarpov ITP fighters, and the Tupolev SDB bomber.

Specifications (AM-39FN)

Data from Kotelnikov'.[1]

General characteristics

Type: 12-cylinder 60° Vee aircraft piston engine
Bore: 160 mm (6.30 in)
Stroke: 190mm/196.7mm (7.48 in/7.744 in) different between right and left cylinder bank due to articulated connecting rods
Displacement: 46.66 L (2,847 in³)
Dry weight: 970 kg (2,138 lb)

Components

Supercharger: Two-speed centrifugal type supercharger with aftercooler
Fuel system: Direct injection
Cooling system: Liquid-cooled

Performance

Power output: 1,588 kW (2,130 hp)
Specific power: 34 kW/L (0.75 hp/in³)

References

Notes

Kotelnikov 2005, p. 112.

Bibliography

Gunston, Bill. World Encyclopedia of Aero Engines. Cambridge, England. Patrick Stephens Limited, 1989. ISBN 1-85260-163-9
Kotelnikov, Vladimir. Russian Piston Aero Engines. Marlborough, Wiltshire. The Crowood Press Ltd. 2005. ISBN 1-86126-702-9.

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[1] Kotelnikov 2005, p. 112.

Mikulin aircraft engines
Piston engines	M-17 AM-34 AM-35 AM-37 AM-38 AM-39 AM-42 AM-43 AM-44 AM-45 AM-46 AM-47
Turbojets	AM-2 AM-3 AM-5 AM-9