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Aviation History
1911
1911 - 0266.PDF
(^JGHT MODELS. Elastic Motor. [1122] I have pleasure in sending you a drawing of an elastic motor. The working of it is as follows :—Turn the propeller and you will see the slide, which I have shown in the drawing, tend to move toward the propeller, the elastic on the other side of the slide will stretch; when the propeller is loosed you will find it will keep up longer and go faster. Birmingham. H. W. ALLEN. Model Biplane. [1123] Enclosed are photo and particulars of a model biplane, constructed by myself. The weight of machine complete is 19 ozs. ; rubber motor, 30 strands of flat rubber, takes 100 turns to wind up, runs out in 5 seconds. On windy days I get some good results. Starting from the ground with a slight push it has flown to the height of 3 ft., then glided down, covering a distance of 100 ft. On one occasion it rose to the height of 9 ft. in a distance of 10 ft., and was then blown backwards over our heads. The frame is made of satin walnut, which I ripped down to required size. The covering for the planes is Japanese silk and the total area 6£ sq. ft. or 892 sq. ins. The stretcher piece between the bearing and hook at the tail end, which runs through the frame, is tied diagonally with cord, which stops it from buckling. The rudders and elevator are operated by levers at the back of main planes. I got this model from a Daily Mirror picture. I did not then know of your valuable paper, which I now take in regularly, and which would have saved me a great deal of time and labour. I shall be pleased to give further particulars to any in- erested reader. Old Kent Road. W. C. NEAL. MARCH 25, 19". NEW COMPANY REGISTERED. Isaacson Radial Engine Co., Ltd. Boyne Engine Works Leeds—Capital .£1,500, in^i shares Mechamcal, electrical, «.d automobile engineers, manufacturers of maritime engines and aero- moSrs. aeroplanes, hydroplanes, &C ; acquiring the business carried on by j. S. Charlesworth, R. J. Isaacson, H. St. J. Sanderson, and H. Sanderson at Hunslet, Leeds, as the Isaacson Engine Co. ® ® ® ® PUBLICATIONS RECEIVED. The Principles of Aeroplane Construction. By Rankin Kennedy, C.E. London: J. and A. Churchill, 7, Great Marlborough Street, W. Price Si net. Elementary Aeronautics. By A. P. Thurston. London: Whittaker and Co. Price y. 6d. net. . The Aviation World Who's Who and Industrial Directory. London: Aviation World Publishing Co., 12, Newgate Street, E.C. Price 2J-. 6d. net. Catalogues. " Valkyrie" Aeroplanes and Parts. The Aeronautical Syndicate, Ltd., Collindale Avenue, West Hendon, N.W. Flight Fittings, 1911. T. W. K. Clarke and Co., Crown Works, High Street, Kingston-on-Thames. Aeronautical Patents Published. Applied for in 1009. Published March zyd, 1911. 24,381. W.PARIS. Aeroplanes and other flying machines. Applied for in 1910. Published March 23rd, ign. G. DEAN. Flying machines. T. C. MURPHY AND J. M. BETT. Propulsion of aeroplanes. R. L. MATTESON. Flying-machines. N. F. USBORNE. Dirigible airships. J. G. RAMEL. Automatic device for actuating stabilising planes and" rudders. J. VON KORVVIN. I.C. engines for aerial machines. 1,97/. 5,473- 5,7°3- 6,150. 10,952. 24,401. DIARY OF COMING EVENTS. British General Events. Mar. 24-April 1 Olympia Aero Show. July 1 July Oct. : Gordon-Bennett Aviation Cup Contest. -Aug. 5 Daily Mail Round England Contest. .. Close of British Michelin Cup. Foreign Fixtures. April 9-21 .. German Circuit—Ulm, Frankfort, Friburg, Strasburg, Carlsruhe, Mannheim, Wiesbaden (1016). April 16 .. Dresden Meeting. PRINCIPAL CONTENTS. » PAGB National Research in 1910 ., .. .. .. ,. .. .. .. 238 Portrait (Mr. H. J. D. Astley) 239 The Grahame-White Biplane. (Illustrated) 240 Olympia Show (List of Exhibitors) .. ., .. .. .. 243 Martin.Handasyde Monoplane. (Illustrated) .. . 244 National Physical Laboratory Report .. .. .. .. .. .. 247 Royal Aero Club Notes .. .. .. .. .. . 249 Progress of Flight About the Country 250 Daily Mail Second ,£10,000 Prize 351 British Notes of the Week .. ., .. .. .. .. .. 252 From the British Flying Grounds . 253 The Aero Exhibition at Olympia .. .. .. .. .. .. .. 254 Foreign Aviation News 26 Airship News .. .. ., ., .. .. .. .. .. .. 265 Problems Relating to Aircraft ., .. .. .. .. ,. .. 266 Correspondence.. „, ,, ,. .. .. ,, .. 267 FLIGHT. 44, ST. MARTIN'S LANE, LONDON, W.C. Telegraphic address: Truditur, London. Telephone: 1828 Gerrard. SUBSCRIPTION RATES. FLIGHT will be forwarded, post free, to any part of the world at the following rates:— UNITED KINGDOM. ABROAD. s. d. 3 Months, Post Free 6 „ 3 Months, Post Free 6 „ 268 Cheques and Post Office Orders should be made payable to the Proprietors of FLIGHT, 44, St. Martin's Lane, W.C., and crossed London and County Bank, otherwise no responsibility will be accepted. Should any difficulty be experienced in procuring FLIGHT from local newsvendors, intending readers can obtain each issue direct from the Publishing Office, by forwarding remittance as above.
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