De Havilland DH82 Tiger Moth PDF
36 Pages·60.064 MB·English
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De Havilland DH82 Tiger Moth КНИГИ ;ВОЕННАЯ ИСТОРИЯ De Havilland DH82 Tiger Moth (Aeroguide Classic 6)ByRay RimmelPublisher: Linewrights199236 PagesISBN: 0946958386PDF62 MBThe first de Havilland Moth, so named by Sir Geoffrey de Havilland because of his passion for entomology, made its maiden flight from the company aerodrome at Stag Lane, Edgware, on 22 February 1925.The Moth evolved from de Havilland's dream of producing a simply maintained, easy-to-fly and cheap aeroplane that would introduce a wider circle of people to the world of aviation. Simplicity was the key to its considerable success, and the DH 60 quickly achieved popular acclaim: 90 were ordered by Sir Sefton Brancker, Director of Civil Aviation, for government-sponsored flying clubs.Demand for the Moth soon began to outstrip the supply of the surplus World War I Air Disco-Renault V8 engines from which the four-cylinder Cirrus powerplant had been developed. De Havilland therefore asked freelance engine designer Major Frank Halford to come up with a completely new power-plant. The first examples, named Gipsy, were completed in 1927 and trials were extremely encouraging. The power-to-weight ratio was excellent, producing 135hp for 295lb of weight. Production Gipsy motors were de-rated by 50hp for the 1928 DH 60G Gipsy Moth and proved completely reliable. letitbitsharingmatrix 0
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