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Aviation History
1925
1925 - 0333.PDF
Flight, June 4, 1925 ENGINEEfL 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. 858. (No. 23, Vol. XVII.) JUNE 4, 1925 TWeekly, Price 6d.L Post free, 7d. Flight 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. Ad. Abroad .. .. 33s. 0d* These rates are subject to any alteration found necessary under abnormalconditions and to increases in postage rates * Foreign subscriptions must be remitted, in British currency CONTENTS Editorial Comment PAGE A Great British Flight 333 Round-Germany Flight .. .. .. •• 334 London-Zurich .. .. .. .. .. .. .. .. •• 335 The Round-Germany Flight .. .. 336 Aeronautical Research Committee Reports .. .. 345 Personals 346 Royal Air Force 347 R.A.F. Intelligence 7 In Parliament 7 Correspondence .. •• •• •• •• "48 Side-Winds 348 EDITORIAL COMMENT. 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 Visit to Croydon Aerodrome, by I.Ae.E. Gordon Bennett Balloon Race, Brussels- Entries close for King's Cup Race. Independent Force (R.A.F.) Re-Union Dinner, R.A.F. Club, 7.45 p.m. Aero Golfing Soc. Match, Mid-Surrey. Royal Air Force Pageant, Hendon. R.A.F. Iraq Dinner, Holborn Restaurant, at 8.15 p.m. King's Cup Race. 9 Vauville Light 'Plane and Glider Meeting. Royal Aero Club Race Meeting at Lympne. F J.A. Conference at Prague. Aero Golfing Soc. Autumn Meeting, Walton Heath. Schneider Cup Race, Baltimore, U.S.A. Jane 6 .... June 7 .... June 12 .... June 23 .... Jane 25 .... Jane 27 .... June 27 .... July 8-4 .... July 26-Aug Aug. 1-8 .... Sept. 19-28 Oct. 8 Oct. 24-29 1926 Aug. Light Aeroplane Competition. A Great British Flight 1CCURRING as it did at a time when the eyes of the world, or, at any rate,* of the aeronautical world, are fixed on the Round-Germany competition, the splendid flight made by Alan J. Cobham, on May 29 from London to Zurich and back in a day on the little de Havilland " Moth," with Aircraft Disposal Company " Cirrus " engine, is an extremely welcome demonstration of the qualities of British aircraft and engines. While we have nothing but praise for many of the engines, machines and pilots taking part in the great German competition, it is gratifying to find that we have in this country machines and engines of no greater power which are capable, not only of equalling the best German performances, but of actually excelling them. The total distance covered by Cobham in his splendid flight was considerably greater than the total length of the first circuit in the Round-Germany competition, and the non-stop flight to Zurich, of 500 miles, was, of course, very much in excess of the longest stage in the German circuit. It is, of course, well known, although the de Havilland " Moth " is not regarded as a light 'plane in the sense in which the term has come to be under- stood in this country, it has been sanctioned by the Air Ministry for use by the newly-formed light 'plane clubs, and Cobham's great flight should serve to demonstrate to those clubs which have decided to adopt this type that when they take delivery of their machines they will have low power aeroplanes of thoroughly reliable qualities and capable of very hard work. The " Cirrus " engine used by Cobham develops about 65 h.p. only, but the great advantage of the type, to our way of thinking, is that ". is power is developed at a relatively low speed of revolution. This means of course, that reciprocating parts are not so highly stressed as in the case of more " refined " engines, with consequent gain in reliability and long
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