IAR K14

Updated on Dec 19, 2024

Edit

Comment

The IAR K14 was a Romanian 14-cylinder radial aircraft engine. The IAR K14 was a licensed derivative of the French Gnome-Rhône Mistral Major 14K produced in Romania.

Variants

IAR K14-II C32 693 kW (930 hp) engine. 44 for IAR P.24E

IAR K14-II C32 - 649 kW (870 hp) engine. 50 built for IAR 37, 1 built for IAR 80 prototype

IAR K.14-III C36 - 690 kW (930 hp) engine. 20 built for IAR 80, 95 built for IAR 37

IAR K.14-IV C32 - 716 kW (960 hp) engine. 30 built for IAR 80, 160 built for IAR 39, 2 built for IAR 47 prototypes

IAR K.14-IV C32 1000A - 764 kW (1025 hp) engine. 430 built for IAR 80A,IAR 80B,IAR 80C, IAR 81A,IAR 81B,IAR 81C

Applications

Industria Aeronautică Română IAR P.24E

Industria Aeronautică Română IAR 37

Industria Aeronautică Română IAR 39

Industria Aeronautică Română IAR 47

Industria Aeronautică Română IAR 80

Industria Aeronautică Română IAR 81

Savoia-Marchetti SM 79B Romanian type

General characteristics

Type: Fourteen-cylinder two-row air-cooled radial engine

Bore: 146 mm (5.748 in)

Stroke: 165 mm (6.496 in)

Displacement: 38.673 l (2,360 in³)

Diameter: 1,296 mm (51.02 in)

Dry weight: 540 kg (1,190 lb)

Components

Valvetrain: Overhead valves

Supercharger: Single-speed centrifugal type supercharger

Fuel system: Stromberg carburetor

Fuel type: 87 octane rating gasoline

Cooling system: Air-cooled

Reduction gear: 2:3

Performance

Power output:

743 kW (996 hp) at 2,390 rpm for takeoff

821 kW (1,100 hp) at 2,390 rpm at 2,600 m (8,530 ft)

Specific power: 21.23 kW/l (0.47 hp/in³)

Compression ratio: 5.5:1

Specific fuel consumption: 328 g/(kW•h) (0.54 lb/(hp•h))

Oil consumption: 20 g/(kW•h) (0.53 oz/(hp•h))

Power-to-weight ratio: 1.52 kW/kg (0.92 hp/lb)

References

IAR K14 Wikipedia

(Text) CC BY-SA