Neha Patil (Editor)

Warner Scarab Junior

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The Warner Scarab Junior was an American, five-cylinder, air-cooled, radial aero engine first produced in 1930. It was a scaled-down derivative of the seven-cylinder Warner Scarab, developing 90 hp (70 kW) against the Scarab's 110 hp (80 kW).

Contents

Applications

  • Aeronca L
  • Culver Dart
  • Rearwin Sportster

    • Specifications (Warner Scarab Junior 50)

    Data from FAA Type Certificate Data Sheet (TCDS).

    General characteristics

  • Type: Five-cylinder, air-cooled, radial piston engine
  • Bore: 4.25 in (108 mm)
  • Stroke: 4.25 (108 mm)
  • Displacement: 301 cu in (4.93 L)
  • Length: 14 in (35.5 cm)
  • Height: 36.5 in (93 cm)
  • Dry weight: 237 lb (107.5 kg)

    • Components

  • Valvetrain: 1 inlet and 1 exhaust valve per cylinder
  • Fuel system: 1 Holley carburetor
  • Fuel type: 54 octane Avgas

    • Performance

  • Power output: 90 hp (67 kW) at 2,050 rpm
  • Compression ratio: 5.2:1
  • Power-to-weight ratio: 0.38 hp/lb (0.62 kW/kg)

    • References

    Warner Scarab Junior Wikipedia
    (Text) CC BY-SA


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