Gnome-Rhône 18L

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Type Radial engine
National origin France
Manufacturer Gnome et Rhône




The Gnome et Rhône 18L was a French-designed twin-row 18-cylinder air-cooled radial engine. The 18L was a large step up in terms of displacement, power and number of cylinders. The majority of Gnome-Rhone engines were either 7, 9 or 14 cylinders. The engine proved not to be a success, and it was dropped in 1939 due to a poor power-to-weight ratio. The American and British 18-cylinder engines proved lighter, smaller and generally more reliable.

Specifications (Gnome Rhone 18L)

Data from [citation needed]

General characteristics

  • Type: 18-cylinder twin-row air-cooled radial engine
  • Bore: 146 mm (5.75 in)
  • Stroke: 180 mm (7.09 in)
  • Displacement: 54.2 L (3,308 cu in)
  • Height: 1,400 mm (55.12 in)
  • Dry weight: 736 kg (1,622 lbs)

Components

  • Valvetrain: 1 inlet and 1 exhaust valve per cylinder
  • Supercharger: Yes
  • Fuel system: 1 Bronzania Carburetor
  • Fuel type: 87 octane
  • Cooling system: air

Performance

See also

References

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