Mikulin AM-38

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The Mikulin AM-38 was a 1940s Soviet aircraft piston engine. Representing further development of the Mikulin AM-34 design. The AM-38 was used on the Il-2 Shturmovik and Il-10 ground attack aircraft. The engine may also have been installed in MiG-3 planes, as a field modification, to improve the speed and performance

[edit] Variants

AM-38F

Low-altitude version with greater takeoff power and a 10 minute forsazh mode.

[edit] Specifications (AM-38F)

General characteristics

• Type: 12-cylinder 60° Vee aircraft piston engine
• Bore: 160mm (6.30 in)
• Stroke: 190mm (7.48 in)
• Displacement: 46.66 L (2,847 in³)
• Dry weight: 880 kg (1,940 lb)

Components

• Supercharger: Single speed centrifugal
• Cooling system: Liquid-cooled

Performance

• Power output: 1,270 kW (1,700 hp) at 2,350 rpm
• Specific power: 27.2 kW/L (0.60 hp/in³)
• Compression ratio: 6.0:1
• Power-to-weight ratio: 1.53 kW/kg (0.93 hp/lb)