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Aviation History
1923
1923 - 0207.PDF
Flight, April 19, 1923 \ eim BNGINEEFL&> UR§HIPS 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. 747. (No. 16, Vol. XV.) APRIL 19, 1923 [Weekly, Price 6d.Post free, 7d. The Aircraft Engineer and Airships Editorial Offices: 36, GREAT QUEEN STREET, KINGSWAY, W.C. 2 Telegrams : Truditur, Westcent, London. Telephone : GeiTard 1828 Annual Subscription Rates, Post Free : United Kingdom .. 30s. id. Abroad .. .. 33s. 0d.* These rates are subject to any alteration found necessary under abnormal conditions and to increases in postage rates * European subscriptions must be remitted in British currency CONTENTS Editorial Comment PAGE Future of the Light 'Plane 207 Other Uses 208 Airship Progress in America .. .. .. 209 London Terminal Aerodrome .. .. .. .. .. .. 210 FLIGHT Glider Designing Competition .. .. 211 The "Turkey Buzzard" Glider 211 Light'Plane and Glider Notes .. .. .. .. .. .. 215 Cycle Engines for Light'Planes .. .. .. .. .. .. 216 R. A.F. Memorial Fund .. .. 217 Royal Air Force 218 R. A.F. Appointments .. .. .. .. .. ,. ., 218 In Parliament .. .. .. ... .. ,. .. .. 218 Power Plants for Model Aeroplanes. By A. F. Honlberg. (Continued) 219 Society of Model Aeronautical Engineers .. .. 220 Club DIARY OF FORTHCOMING EVENTS Secretaries and others desirous of announcing the dates of important fixtures are invited to send particulars for May 11 .... June 23.... June 25-30 JaneJuly July Aug. Aug. Aug. Aug. Aug. Sept. Sept. Dec. 30....... 20 .... 1 .... 3-14 6 .... 6-27 8-1223 28 .... 1 .... 1924 Mar. 1 .... inclusion in the following list ; Lecture, "Experimental Flying," by Haj. M. E. A. Wright, before I.Ae.E.Grosvenor Challenge Cap, Lympne International Air Congress, LondonS.A.F. Aerial Pageant Air Race for Sing's Cap Gothenburg Exhibition Entries close from British Competitors for Schneider Cup Rhon Gliding Competition Aerial Derby French Gliding Competition, near Cherbourg F.I A. Conference, Gothenburg. Gordon Bennett Balloon Race, Belgium Schneider Cup Seaplane Race at Cowes Entries close for French Aero Engine Com- petition French Aero Engine Competition. INDEX FOR VOL. XIV. The Index for Vol. XIV of FLIGHT (January to December, 1922) is now ready, and can be obtained from the Publishers, 36, Great Queen Street, Kingsway, W.C. 2. Price Is. per copy (Is. Id. post free). Future of the Light 'Plane 35 m.p.h. EDITORIAL 'EFERENCE has already been made in these columns to the great amount of good which the very generous offer of a £500 Prize by the Under-Secretary of State for Air, His Grace the Duke of Sutherland, should do to the progress of economical flying. The experiments carried out to date, and theoretical considerations based upon known data, indicate that the light 'plane of the future may have an engine of 10 to 15 h.p. (actual), a maximum speed of over 60 m.p.h., a cruising speed of between 40 and 50 m.p.h., and a landing speed of some- where in the neighbourhood of 30 or The question that naturally arises is " What use will such a machine be ? " In the first place, the assumption must be made that engines of this power can be made very reliable. That is the very first consideration. At present there are no data upon which to base an opinion as to the possibilities of producing a reliable engine of sufficiently light weight. From considerations of cost it seems probable that we shall have to carry out our pioneer work with motor-cycle engines, adapted, if necessary, for the special conditions. No firm could begin to develop and market at a sufficiently low price a special aircraft or light 'plane engine of the right type unless there was some prospect of reasonably large orders. At present this prospect does not exist, although we have not the slightest doubt that, once preliminary experi- ments have been made, proof of the enormous possibilities of the light 'plane will be forthcoming. The difficulty is to make a start. There are in existence, and in daily use at the present time, a number of fairly efficient air-cooled engines of the motor-cycle type, which at any rate give
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