| IAR K14 | |
|---|---|
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| A Preserved Piaggio P.XI, an Italian-built Gnome-Rhône Mistral Major | |
| 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 14K Mistral Major produced in Romania.[1]
Variants
- IAR K14-I 40
 - IAR K14-I 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 K14-II D32
 - IAR K14-III C36
 - 690 kW (930 hp) engine. 20 built for IAR 80, 95 built for IAR 37
 - IAR K14-IV C32
 - 716 kW (960 hp) engine. 30 built for IAR 80, 160 built for IAR 39, 2 built for IAR 47 prototypes
 - IAR K14-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)
 
See also
Related development
Comparable engines
Related lists
References
Notes
- ↑ Gunston 1989,
 
Bibliography
- Gunston, Bill. World Encyclopedia of Aero Engines. Cambridge, England. Patrick Stephens Limited, 1989. ISBN 1-85260-163-9
 
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