Samiksha Jaiswal (Editor)

Lorraine 7M Mizar

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The Lorraine 7M Mizar, also called the Lorraine 240CV Mizar, was a seven-cylinder air-cooled radial engine designed and built in France during the 1920s and 1930s. Nominal power was given as 240 hp (180 kW) at 1500rpm (maximum continuous power), with a maximum output of 283 hp (211 kW) at 1800 rpm.

Contents

Variants

7Ma Mizar
7Mb Mizar
7Me Mizar
7Mer Mizar

Applications

  • Caudron C.251
  • Specifications

    Data from Société Générale Aeronautique

    General characteristics

  • Type: 7-cylinder air-cooled radial piston engine, left hand rotation (facing the propeller)
  • Bore: 140 mm (5.51 in)
  • Stroke: 150 mm (5.91 in)
  • Displacement: 16.163 l (986.33 cu in)
  • Length: 1,190 mm (46.85 in)
  • Diameter: 1,240 mm (48.82 in)
  • Dry weight: 265 kg (584 lb)
  • Components

  • Valvetrain: pushrod operated overhead valves, two per cylinder
  • Oil system: pressure fed
  • Cooling system: air-cooled
  • Performance

  • Power output: 283 hp (211 kW) at 1800 rpm (maximum) 240 hp (180 kW) at 1500 rpm (maximum continuous)
  • Compression ratio: 5
  • Specific fuel consumption: 0.308 kg/(kW h) (0.507 lb/(hp h))
  • Oil consumption: 0.0161 kg/(kW h) (0.0265 lb/(hp h))
  • References

    Lorraine 7M Mizar Wikipedia