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Aviation History
1925
1925 - 0761.PDF
tfsr. Flight, November 19, 1925 AIRCRAFTBNGINEEFL First Aero Weekly in the World Founder and Editor « STANLEY SPOONER A Journal devoted to the Interests, Practice, and Progress of Aerial Locomotion and Transport OFFICIAL ORGAN OF THE ROYAL AERO CLUB OF THE UNITED KINGDOM No. 882. (No. 47, Vol. XVII.) NOVEMBER 19, 1925 rWeekly, Prlca 6d.L Post free, 7d. The Aircraft Engineer and Airships Editorial Offices: 36, GREAT QUEEN STREET, KINGSWAY, W.C.2.Telegrams : Truditur, Westcent, London. Telephone : Gerrard 1828. Annual Subscription Rates, Post Free : United Kingdom .. 30s. 4d. Abroad .. .. 33s. 0d* These rates are subject to any alteration found necessary under abnormal conditions and to increases in postage rates. * Foreign subscriptions must be remitted in British currency. CONTENTS Editorial Comment PAGE The Other Side 761 The Fairey-Reed Airscrews 762 The Great Adventure 762 Two "Gloster" Machines 3 Royal Aero Club Official Notices 767 Light'Plane Clubs 767 Two-Seater Competition 767 London-Cape. Town 8 Royal Air Force 773 R.A.F. Intelligence 3 Correspondence 3 Imports and Exports ... ... ... ... ... ... ... ... 774 DIARY OF FORTHCOMING EVENTS Club Secretaries and others desirous of announcing the dates of important fixtures are invited to send particulars for inclusion in the following list :— 1925 Nov. 26 .... Mr. A. H. R. Fedden, F.R.Ae.S. " Installa- tion Problems in Air-Cooled Engines," before R.Ae.S. Nov. 28 .... Inst.Ae.E. visit to Shipping, Engineering and Machinery Exhibition, Olympia. Dec. 3 .... Prof. B. Melville Jones, A.F.C., A.F.R.Ae.S. " The Control of Stalled Aeroplanes," before R.Ae.S. Dec. 15 .... M. E. Dewoitine. "The Advantages of Metal Construction," before Inst.Ae.E. Dec 16 .... Air Vice-Marshal Sir W. Sefton Brancker. " Air Communications in the Middle East," before Royal United Service Institution. Dec. 17 .— Mr . A. J. Cobham. " Long Distance Aero- plane Flights," before R.Ae.S. 1926 Jan. 12 Jan. 26 Mr. C. Howarth. " Some Aspects of Full- Scale Experiments," before Inst.Ae.E. Lieut. Olechnovitch. " The Care and Main- tenance of Tools as an Important Factor in Workshop Routine," before Inst.Ae.E. EDITORIAL COMMENT. our Editorial Comment last week, under the heading, " Is it Cricket ? " reference was made to the purchase of a certain number of American aero engines to be fitted into a new type of British aeroplane, and the Air Ministry was criticised for waiving, in this con- nection, certain rules in force relating to type tests of British aero engines. It has always been, and always will be, the policy oi FLIGHT to be scrupulously fair to everyone, and as it now appears that the statement made, Side upon the information then in our hands, did not represent the essential facts, we willingly present, this week, the further points since placed before us in order that our readers may form an unbiased opinion of the whole subject. Concerning the statement that the Curtiss D.I2 aero engines, the type of engine in question, were to be accepted without having passed the Air Ministry type tests, insisted upon in the case of British aero engines, the facts of the case are as follows : The machines to be fitted with these engines were ordered urgently for a test squadron, and it would not have been advisable to wait for the passing of the engine test, and as the engines had passed the equi- valent test in America, they were ordered, but the Company has undertaken to pass the test as soon as possible and before the machines are delivered to the Service. Concerning the decision to order a fairly large quantity of D.12 engines, the fact that the Fairey " Fox" is a service type, and that thus it. may not be described in detail, renders a discussion of the whole subject extremely difficult, but it may be said that the entire design of the " Fox " was based upon the use of the D.12 engine. It was decided, after the most careful consideration, that it would not be possible to test out the aircraft thoroughly by ordering a small number, and that onlv by equipping a squad- ron with the type would it be possible to discover definitely whether or not the machine and engine fulfilled certain requirements. Any further engines of
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