IAR K14

IAR K14

Preserved Piaggio P.XI
Type	Radial engine
National origin	Romania
Manufacturer	Industria Aeronautică Română
First run	1937
Major applications	IAR 80, IAR 37, IAR 39
Number built	1000
Developed from	Gnome-Rhône Mistral Major

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.^[1]

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

Specifications

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

Notes

↑ Gunston 1989,

Bibliography

Gunston, Bill. World Encyclopedia of Aero Engines. Cambridge, England. Patrick Stephens Limited, 1989. ISBN 1-85260-163-9

IAR designation products

Powered aircraft	IAR CV 11 IAR-12 IAR-13 IAR-14 IAR-15 IAR-16 IAR-21 IAR-22 IAR-23 IAR-24 IAR-27 IAR-37 IAR-38 IAR-39 IAR-47 IAR-79 IAR-80 IAR-81 IAR-93 IAR-99 IAR-109

Gliders and motor gliders	IS-3 IS-8 IS-10 IS-11 IS-12 IS-13 IS-23 IS-24 IS-28 IS-29 IS-30 IS-31 IS-32 IS-33 IAR-34 IAR-35 IAR-46

Under licence	IAR MS-35 IAR Potez 25 IAR P11F IAR P24E IAR Fleet10G IAR Nardi FN305 IAR Messerschmitt 109G

Series 300 (helicopters)	IAR-316 IAR-317 'Airfox' IAR-330 'Puma' IAR-330L 'Socat' IAR KA 126

Series 800	IAR-811 IAR-813 IAR-814 IAR-817 IAR-818 IAR-821 IAR-822 IAR-823 IAR-824 IAR-825 IAR-826 IAR-827 IAR-828 IAR-831

IAR Projects	IAR-471 IAR-95

IAR Engines	IAR LD450 IAR 4GI IAR 6G1 IAR 5K IAR 7K IAR 9K IAR 14K IAR DB605

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