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The first flight of the ADC Cirrus-powered prototype DH.60 Moth (registration G-EBKT) was carried out by Geoffrey de Havilland at the works airfield at Stag Lane on 22 February 1925. The Moth was a two-seat biplane of wooden construction, it had a plywood covered fuselage and fabric covered surfaces, a standard tailplane with a single tailplane ...
The original Cirrus engines were all designed by Halford and built by ADC. The 65 horsepower (48 kW) Cirrus I passed its 50-hour type rating in 1925. De Havilland launched his product as the Cirrus Moth and it proved a winning combination. The engine was soon adopted for other aircraft.
As ADC began to run out of the Renault engines in 1928, Cirrus Aero Engines Limited was formed at Croydon to manufacture the Cirrus models from scratch.. Although Halford was no longer associated with it (having gone off to develop the next-generation but otherwise similar de Havilland Gipsy series), the Cirrus company continued to develop new models, with the uprated Hermes appearing in 1929.
The original ADC Cirrus-powered DH.60 retroactively became the "Cirrus Moth". As the DH.60 became more and more popular, de Havilland decided to cash in on the fame of the original by giving each of his new designs a name ending with Moth. First of them was the DH.61, a giant
Like the ADC Cirrus, the Gipsy was born as a collaboration between aircraft manufacturer Geoffrey de Havilland and engine designer Frank Halford.The origins and early history of both the Cirrus and Gipsy series of engines were linked through de Havilland's D.H.60 Moth.
The Tiger Moth had a fixed conventional landing gear with a tail skid. [1] The first aircraft built ( registration G-EBQU ) first flew from Stag Lane Aerodrome on 24 June 1927 and was fitted with an 85 hp (63 kW) ADC Cirrus II engine to check its handling characteristics.
The Blackburn Cirrus Major started life as a clean-sheet replacement for the original 1920s Cirrus and Hermes series of upright inline four-cylinder air cooled aircraft engines originally designed by Frank Halford for the early DH60 de Havilland Cirrus Moth and which had been in production by the Aircraft Disposal Company (ADC) and later Cirrus Aero Engine Limited, which itself evolved into ...
The Genairco Biplane (also known as the Genairco Moth) was a utility biplane built in small numbers in Australia in the late 1920s and early 1930s. [2]The General Aircraft Company, (Genairco) in Australia, had been overhauling and repairing 6 DH60 Cirrus Moths for the RAAF and then building 3 local examples of the DH60X Cirrus II Moth, before they went on to design and build their own ...