The Blackburn Cirrus Minor is a British four-cylinder, inverted, in-line air-cooled aero-engine that was designed and built by the Cirrus Engine Section of Blackburn Aircraft Limited in the late 1930s. == Design and development == The Cirrus Minor started life as a clean-sheet replacement for the original Cirrus and Hermes series of light aircraft engines.
The Blackburn Cirrus Minor is a British four-cylinder, inverted, in-line air-cooled aero-engine that was designed and built by the Cirrus Engine Section of Blackburn Aircraft Limited in the late 1930s. == Design and development == The Cirrus Minor started life as a clean-sheet replacement for the original Cirrus and Hermes series of light aircraft engines.
Source: Wikipedia "Blackburn Cirrus Minor" · CC BY-SA 4.0
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