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Aviation History
1931
1931 - 1055.PDF
FLIGHT, OCTOBER 2, 1931 •Jim. One of these machines,(,-EBBI " Prince Henry," is still iu operation, although it is netu-cd on the cross-Channel services. The De Havilland 34's of theInstone Air Line, Ltd., and Daimler Hire, Ltd., had a single450-h.p. Napier " Lion " motor, carried 11 persons at a maximumspeed of 115 m.p.h., thus being luster than many of the machinesused by Imperial Airways to-day. These aircraft had been in use fornearly two years. The Vickers ' Vimy Commercial," also fromthe Instone Air Line, Ltd., was the veteran of the fleet, havingbeen in continual operation since 1920. She had the same motors asthe Handley Pages and had accom- modation for 12 passengers andtwo crew. The Supermarine " Sea Eagles "of the British Marine Air Naviga- tion Co., Ltd., were single-motoredflying-boats with provision for six passengers and pilot. The motivepower was provided by a 360-h.p. Rolls-Royce " Eagle IX." Thesemachines were, however, later re- fitted with a Napier " Lion "motor in place of the lower- powered Rolls-Royce. During 1924 this fleet was aug-mented by three new aircraft, these being G-EBFO, a De Havil-land 50. shortly afterwards re- placed by G-EBFP, of the sametype ; G-EBFC, a Vickers '' Vul- can "; also G-EBIX, a HandlevPage W8.F or " Hamilton." The De Havilland 50 was asmall five-seater machine with a 230-h.p. Siddeley " Puma " motorand a top speed of 115 m.p.h. Aircraft G-EBFP is still used regu-larly by Imperial Airways on their Special Charter service. TheVickers " Vulcan " was fitted with a Napier THE VICKERS "VULCAN'": One cf! he 1924 additions to the Imperial Airwaysfleet. It had a Napier "Lion" r.nd cai-Hed seven passengers. (FLIGHT Photo.) THE HANDLEY PAGE W.1O: This was a 1926, an improved model of theoriginal W.8B. The engines, however, were Napier " Lions." (FLIGHT Photo.) Lionmotor and carried seven persons at 110 m.p.h., whilst the Handley Page W8.F was a tri-motored machine and thefirst of such type to be operated for civil purposes in this country. A development of the earlier twin-motored W8.Bmodel, the motive power was provided by a Rolls-Royce " Eagle IX '' in the nose and a Siddeley " Puma " oneach side between the wings. Twelve passengers and two crew were carried at a top speed of 102 m.p.h.Also, during the same year, the Bristol 10-seater, Bristol " Jupiter " motor, G-EBEV, was operated on the Cologneroute as a freighter for commercial test purposes, having been loaned by the Air Ministry.Three aircraft were, however, written off the assets during the same period, these being G-EBBR, destroyedby fire at Ostend ; G-EBBX, lost in an accident at Purley and G-EBCX withdrawn from serviceDuring 1925 additions to the fleet were as follow: — G-EBLB, a Vickers "Vulcan"; G-EBKZ, a D.H. 50a;also G-EBLE, the Handley Page W9 or " Hampstead " THE ARMSTRONG-WHITWORTH "ARGOSY": Another 1926 machine—a marked advance in air-liner design—fitted with three Armstrong-Siddeley "Jaguars." (FLIGHT Photo.) 985 c
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