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Righter O 45

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The Righter/Kiekhaefer O-45 was an air-cooled, two-stroke aircraft engine of flat-twin configuration, used extensively for powering target drones in the late 1940s.

Contents

Designed by the Righter Manufacturing Company, the O-45 was also built by the Kiekhaefer Corporation and the Menasco Motors Company.

Variants

O-45-1
20 horsepower (15 kW) version
O-45-3
35 horsepower (26 kW) version
O-45-35
Navy version of O-45-3

Applications

  • Beecraft Wee Bee
  • Frankfort OQ-16
  • Frankfort TD3D
  • Globe KD3G Snipe
  • Globe KD4G Quail
  • OQ-15
  • Radioplane OQ-14
  • Radioplane OQ-17
  • Radioplane KDR
  • Radioplane TDD
  • ULM 811 Ultra Cruiser Ultavia

    • Specifications (O-45-1)

    Data from

    General characteristics

  • Type: 2-cylinder air-cooled horizontally opposed direct drive naturally aspirated two-stroke aircraft piston engine
  • Bore: 3.25 in (82.6 mm)
  • Stroke: 2.75 in (69.9 mm)
  • Displacement: 45.5 cu in (0.75 l)
  • Dry weight: 34 lb (15.4 kg)

    • Components

  • Fuel type: 73 octane gasoline
  • Cooling system: Air-cooled

    • Performance

  • Power output:
  • (Normal): 20 hp (14.9 kW) at 3,800 rpm at sea level

    • References

    Righter O-45 Wikipedia
    (Text) CC BY-SA