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Aviation History
1925
1925 - 0221.PDF
Flight, April 16, 1925 First Aero Weekly in the World Founder and Editor : STANLEY SPOONER A Journal devoted to the Interests, Practice, and Progress of Aerial Locomotion and 1 ranspurt OFFICIAL ORGAN OF THE ROYAL AERO CLUB OF THE UNITED KINGDOM No. 851. (No. 16, Vol. APRIL 16, 1925 rWeekly, Price 6d.|_ 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 abnormal conditions and to increases in postage rates • European subscriptions must be remitted in British currency CONTENTS Editorial Comment Control and Stalling Bnisspls-Kmshasa Blackburn The Blackburn Flving School Some " Avis " School Monoplanes .. ,. 1 nfante Don Alfonso's Vi?it to 1 lie Gloucestershire Cn. ., The Curtiss " Carrier Pigeon ".. Personals The Fokker F. VII .... Royal Air Force R.A.F. Intelligence In Parliament Air Post Stamps Air Ministry Notices ..... . PAGE 221 223 224 226 .. 227 228 229 230 .. 231 231 231 232 .. 232 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 Apr. 24 .... Apr. 30 .... May 8 .... May May May May June June June June July Sept. 7 ...20 ... 21 ... 29 ... 6 ... 7 ... 25 .. 8-4 19-28 Commander C. D. Burney, C.M.G., M.P., R.N. : " The Position of the Airship in Aerial Transport," before I.Ae.E. Wilbur Wright Lecture, Rear-Admiral D. W. Taylor: " Some Aspects o£ the Comparison of Model and Pull-Scale Tests," before R.Ae.S. Capt. W. H. Sayers, Hons. Member : " A Resume of Achievements in Aviation during the Past Year," before I.Ae.E. Aero Golfing Soc. Spring Meeting, Worplesdon. Visit to the National Physical Laboratory, Teddington, by I.Ae.E. Aero Gol fling Soc. Match, Cassiobury Park. Aero Golfing Soc. Match, Oxhey. Race Meeting at Hendon Aerodrome. Visit to Croydon Aerodrome, by I.Ae.E. Gordon Bennett Balloon Race, Brussels. Aero Golfing Soc. Match, Mid-Surrey. King's Cup Race. F.I.A. Conference at Prague. EDITORIAL COMMENT. Y the time this week's issue of FLIGHT reaches our readers the Fokker demon- stration about which so much has been written will probably have taken place, and will doubtless have received a great deal of publicity. Without wishing in any way to detract from Mijnheer Fokker's achievement, we think it is only fair that it should be pointed out that researcli into the problem of control at or above the angle of maximum lift has been carried out in Control Great Britain for many years, and that, Stalling whatever may be our temporary posi- tion as regards air power, in the matter of elucidating the problems of spinning and questions connected therewith, we undoubtedly hold a leading position. Private firms no less than the Royal Aircraft Establishment at Farnborongh have experi- mented with full-size machines, and in the wind tunnels model research has been carried out most systematically. It is, of course, well known that the Fairey Aviation Company, for instance, have worked upon the problem of control at stalling angle for several years, and a considerable measure of success has been attained. Thus, the Fairey " Fly- catcher," fitted with large wing flaps and having fairly large tail surfaces, is capable of descending at a very steep angle, its fuselage remaining sensibly horizontal, and the machine being under perfect control. Avro machines have been used for similar experiments for several years, and just recently the International Commission for Air Navigation visited the R.A.E. and there witnessed flights on an Avro specially fitted for control at stalling speed. In the particular Avro the Handley Page leading edge slot had been com- bined with the wing-flap movement, a combination which wind-tunnel tests have shown to be very effective. It will thus be seen that we have in this country machines which are under perfect control at angles considerably above the stall, and some of these are in daily and extensive use by the R.A.F. The merit of the Fokker demonstration appears to lie in the fact that it will take place on a heavy commercial machine, and in this class we have no machine to
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