Trisha Shetty (Editor)

ABC Scorpion

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Manufacturer
  
ABC Motors

ABC Scorpion httpsuploadwikimediaorgwikipediacommonsthu

The ABC Scorpion is a 30 hp (22 kW) two-cylinder aero engine designed by the noted British engineer Granville Bradshaw for use in light aircraft. The engine was built by ABC Motors Limited and first ran in 1921.

Contents

Variants

Scorpion I
1923, 30 hp (22 kW)
Scorpion II
1924, 34 hp (25 kW), increased bore and stroke.

Survivors

The only ANEC II (G-EBJO) flies regularly at the Shuttleworth Collection at Old Warden and is powered by a Scorpion II.

Specifications (Scorpion I)

Data from Lumsden

General characteristics

  • Type: 2 cylinder air cooled flat-twin
  • Bore: 3.6 in (87.5 mm)
  • Stroke: 3.7 in (91.5 mm)
  • Displacement: 73.32 cu in (1.1 L)
  • Dry weight: 90 lb (41 kg)

    • Components

  • Valvetrain: Overhead valve, two valves per cylinder
  • Fuel system: Carburettor
  • Fuel type: 74 Octane petrol
  • Cooling system: Air

    • Performance

  • Power output: 30 hp (22 kW) at 2,750 rpm
  • Compression ratio: 4:1
  • Power-to-weight ratio: 0.33 hp/lb (0.53 kW/kg)

    • References

    ABC Scorpion Wikipedia
    (Text) CC BY-SA


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