ABC Gnat

From Wikipedia, the free encyclopedia
Jump to: navigation, search
Type Flat-twin aero engine
National origin United Kingdom
Manufacturer ABC Motors Limited
Designed by Granville Bradshaw
First run 1916
Number built 17

The ABC Gnat was a 45 hp (34 kW) two-cylinder aero engine designed by British engineer Granville Bradshaw for use in light aircraft. The Gnat was built by ABC Motors, first running in 1916, production ceased in December 1918. 17 engines were built from an original order of 18.[1]


Specifications (Gnat I)[edit]

Data from Lumsden[2]

General characteristics

  • Type: 2-cylinder air-cooled flat-twin
  • Bore: 4.33 in (110 mm)
  • Stroke: 4.72 in (120 mm)
  • Displacement: 139.06 cu in (2.28 L)
  • Dry weight: 115 lb (52 kg)



See also[edit]

Comparable engines
Related lists



  1. ^ Lumsden 2003, p.51.
  2. ^ Lumsden 2003, p.276.


  • Lumsden, Alec. British Piston Engines and their Aircraft. Marlborough, Wiltshire: Airlife Publishing, 2003. ISBN 1-85310-294-6.

External links[edit]