de Havilland Gipsy Minor

The de Havilland Gipsy Minor or Gipsy Junior was a British four-cylinder, air-cooled, inline engine used primarily in the de Havilland Moth Minor monoplane, both products being developed in the late 1930s.

Gipsy Minor
de Havilland Gipsy Minor at the de Havilland Aircraft Heritage Centre
Type Piston inline aero-engine
Manufacturer de Havilland Engine Company
First run 1937
Major applications de Havilland Moth Minor
Short Scion
Number built 171
Developed from de Havilland Gipsy

Design and development

The engine was a simplified and smaller version of the earlier de Havilland Gipsy. It featured only one magneto where dual ignition was normal for the Gipsy series of engines. A total of 171 engines were produced, including 100 built in Australia, production moving to that country due to the start of the Second World War.[1]


Engines on display

Specifications (Gipsy Minor)

Data from [2]

General characteristics


  • Valvetrain: Overhead valve
  • Fuel type: Minimum 70 octane petrol
  • Oil system: Dry sump, gear-type pump
  • Cooling system: Air-cooled


See also

Related development

Comparable engines

Related lists



  1. Lumsden 2003, p.136.
  2. Lumsden 2003, p.141.


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