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Gnome-Rhône 14N

April 09, 2023

The Gnome-Rhône 14N was a 14-cylinder two-row air-cooled radial engine designed and manufactured by Gnome-Rhône just before the start of World War II. A development of the Gnome-Rhône 14K, the 14N was used on several French and even one German aircraft.

Gnome-Rhône 14N
Type Radial engine
National origin France
Manufacturer Gnome et Rhône
First run 1937
Major applications Bloch MB.150
Messerschmitt Me 323
Amiot 351
Lioré et Olivier LeO 45
Developed from Gnome-Rhône 14K Mistral Major
Developed into Gnome-Rhône 14M,
Gnome-Rhône 14R

Design and development

The 14K's reliability was poor, so Gnome-Rhône carried out major redesign, using different materials for the pistons and valves, and enlarging the cooling fins to increase surface area by 39%.

The 14N was introduced in 1937 and was quickly installed on several aircraft models. In 1939, minor improvements allowed Gnome-Rhône to increase the compression ratio from 6.1:1 to 6.8:1, which increased power.

The 14N was further developed into the Gnome-Rhône 14R featuring a 2-stage supercharger, but this type was not widely used until after World War II as production of improved engines was restricted by the armistice with Germany.

Variants

Data from:Aircraft engines of the World 1945,[1] Aircraft engines of the World 1946[2]

  • 14N-2: Left hand (LH) rotation, 780 kW (1,050 hp)
  • 14N-3: Right hand (RH) rotation version of N-2
  • 14N-10: LH rotation, 680 kW (910 hp)
  • 14N-11: RH rotation version of N-10
  • 14N-16: LH rotation, 697 kW (935 hp)
  • 14N-17: RH rotation version of N-16
  • 14N-20: LH rotation, 846 kW (1,135 hp)
  • 14N-21: RH rotation version of N-20
  • 14N-44: LH rotation, 780 kW (1,050 hp)
  • 14N-45: RH rotation version of N-44
  • 14N-48: LH rotation, 880 kW (1,180 hp)
  • 14N-49: RH rotation version of N-48
  • 14N-50: LH rotation, 1,000 kW (1,400 hp)
  • 14N-54: LH rotation, 930 kW (1,250 hp)
  • 14N-55: RH rotation version of N-54
  • 14N-58: LH rotation, 880 kW (1,180 hp)
  • 14N-59: RH rotation version of N-58

Applications

Specifications (14N-48)

Data from Aircraft engines of the World 1945[1]

General characteristics

  • Type: Fourteen-cylinder two-row air-cooled piston engine
  • Bore: 146 mm (5.75 in)
  • Stroke: 165 mm (6.50 in)
  • Displacement: 38.67 L (2,360 cu in)
  • Length: 1,480 mm (58.27 in)
  • Diameter: 1,290 mm (50.79 in)
  • Dry weight: 620 kg (1,370 lb)

Components

Performance

  • Power output:
  • Take-off: 880 kW (1,180 hp) at 2,650 rpm
  • Military: 790 kW (1,060 hp) at 2,400 rpm at 3,900 m (12,800 ft)
  • Cruise: 630 kW (850 hp) at 2,100 rpm at 3,900 m (12,800 ft)
  • Specific power: 22.45 kW/L (0.49 hp/in³)
  • Compression ratio: 6.8:1
  • Power-to-weight ratio: 1.4 kW/kg (0.85 hp/lb)

See also

References

 
Wikimedia Commons has media related to Gnome-Rhône 14N.

Citations

  1. ^ a b Wilkinson, Paul H. (1945). Aircraft engines of the World 1945 (3rd ed.). -New York: Paul H. Wilkinson. p. 235.
  2. ^ Wilkinson, Paul H. (1946). Aircraft engines of the World 1946 (4th ed.). London: Sir Isaac Pitman & Sons Ltd.

Bibliography

  • Danel, Raymond and Cuny, Jean. L'aviation française de bombardement et de renseignement 1918-1940 Docavia n°12, Editions Larivière


April 09, 2023
gnome, rhône, cylinder, cooled, radial, engine, designed, manufactured, gnome, rhône, just, before, start, world, development, gnome, rhône, used, several, french, even, german, aircraft, type, radial, enginenational, origin, francemanufacturer, gnome, rhônefi. The Gnome Rhone 14N was a 14 cylinder two row air cooled radial engine designed and manufactured by Gnome Rhone just before the start of World War II A development of the Gnome Rhone 14K the 14N was used on several French and even one German aircraft Gnome Rhone 14NType Radial engineNational origin FranceManufacturer Gnome et RhoneFirst run 1937Major applications Bloch MB 150Messerschmitt Me 323Amiot 351Liore et Olivier LeO 45Developed from Gnome Rhone 14K Mistral MajorDeveloped into Gnome Rhone 14M Gnome Rhone 14R Contents 1 Design and development 2 Variants 3 Applications 4 Specifications 14N 48 4 1 General characteristics 4 2 Components 4 3 Performance 5 See also 6 References 6 1 Citations 6 2 BibliographyDesign and development EditThe 14K s reliability was poor so Gnome Rhone carried out major redesign using different materials for the pistons and valves and enlarging the cooling fins to increase surface area by 39 The 14N was introduced in 1937 and was quickly installed on several aircraft models In 1939 minor improvements allowed Gnome Rhone to increase the compression ratio from 6 1 1 to 6 8 1 which increased power The 14N was further developed into the Gnome Rhone 14R featuring a 2 stage supercharger but this type was not widely used until after World War II as production of improved engines was restricted by the armistice with Germany Variants EditData from Aircraft engines of the World 1945 1 Aircraft engines of the World 1946 2 14N 2 Left hand LH rotation 780 kW 1 050 hp 14N 3 Right hand RH rotation version of N 214N 10 LH rotation 680 kW 910 hp 14N 11 RH rotation version of N 1014N 16 LH rotation 697 kW 935 hp 14N 17 RH rotation version of N 1614N 20 LH rotation 846 kW 1 135 hp 14N 21 RH rotation version of N 2014N 44 LH rotation 780 kW 1 050 hp 14N 45 RH rotation version of N 4414N 48 LH rotation 880 kW 1 180 hp 14N 49 RH rotation version of N 4814N 50 LH rotation 1 000 kW 1 400 hp 14N 54 LH rotation 930 kW 1 250 hp 14N 55 RH rotation version of N 5414N 58 LH rotation 880 kW 1 180 hp 14N 59 RH rotation version of N 58Applications EditAmiot 351 1 14N 38 1 14N 39 Amiot 354 1 14N 48 1 14N 49 Bloch MB 131 1 14N 10 1 14N 11 Bloch MB 135 2 14M 4 2 14M 5 Bloch MB 150 14N 7 Bloch MB 151 14N 35 Bloch MB 152 14N 25 Bloch MB 155 14N 49 Bloch MB 161 2 14N 38 2 14N 39 Bloch MB 170 2 14N 6 Bloch MB 174 2 14N 49 Bloch MB 175 2 14N 48 Bloch MB 210 1 14N 10 1 14N 11 Bloch MB 220 1 14N 16 1 14N 17 Bloch MB 300 Pacifique 2 14N 16 1 14N 17 Dewoitine D 342 2 14N 16 1 14N 17 Farman F 222 2 4 14N 11 Farman F 224 4 14N 1 Latecoere 611 prototype 2 14N 30 2 14N 31 Liore et Olivier LeO 451 14N 48 14N 49or 14N 38 14N 39 or 14N 46 14N 47 Sud Est SE 161 Languedoc 2 14N 44 2 14N 45 Messerschmitt Me 323 various Koolhoven F K 58A 14N 16 PZL P 24F and G 14N 7 PZL P 24H 14N 21 PZL 43A and B Karas 14N 1 SNCAO CAO 700 2 14N 48 2 14N 49 SNCASE SE 100 1 14N 20 1 14N 21 Specifications 14N 48 EditData from Aircraft engines of the World 1945 1 General characteristics Type Fourteen cylinder two row air cooled piston engine Bore 146 mm 5 75 in Stroke 165 mm 6 50 in Displacement 38 67 L 2 360 cu in Length 1 480 mm 58 27 in Diameter 1 290 mm 50 79 in Dry weight 620 kg 1 370 lb Components Valvetrain Two inlet and two exhaust overhead valves per cylinder Supercharger Single stage single speed centrifugal type supercharger Fuel system Stromberg carburetor Fuel type 87 octane rating gasoline Oil system Pressure fed at 480 kPa 70 psi Cooling system Air cooled Reduction gear 0 5 1 planetary reduction gearingPerformance Power output Take off 880 kW 1 180 hp at 2 650 rpm Military 790 kW 1 060 hp at 2 400 rpm at 3 900 m 12 800 ft Cruise 630 kW 850 hp at 2 100 rpm at 3 900 m 12 800 ft Specific power 22 45 kW L 0 49 hp in Compression ratio 6 8 1 Power to weight ratio 1 4 kW kg 0 85 hp lb See also EditPratt amp Whitney R 1830 a comparable engine sometimes fitted as an alternative to the 14N on French designs BMW 801 Bristol Hercules Bristol Taurus Fiat A 74 Mitsubishi Kinsei Nakajima Sakae Piaggio P XIX Shvetsov ASh 82 Tumansky M 88 Wright R 1820References Edit Wikimedia Commons has media related to Gnome Rhone 14N Citations Edit a b Wilkinson Paul H 1945 Aircraft engines of the World 1945 3rd ed New York Paul H Wilkinson p 235 Wilkinson Paul H 1946 Aircraft engines of the World 1946 4th ed London Sir Isaac Pitman amp Sons Ltd Bibliography Edit Danel Raymond and Cuny Jean L aviation francaise de bombardement et de renseignement 1918 1940 Docavia n 12 Editions Lariviere Retrieved from https en wikipedia org w index php title Gnome Rhone 14N amp oldid 1126113708, wikipedia, wiki, book, books, library,

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