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Aviation History
1910
1910 - 0152.PDF
(/OGHt) The laws connecting HP, A, and V for various angles of attack in an aerocurve ars quite different from those obtaining in the case of an aeroplane, and are beautifully and exhaustively studied (with diagrams) in an article in The Engineer for July 16th, 1909, which is well worth careful study. The formula used above is obtained as follows :— W = lift = constant x AW. V2 oc — HP k ?-?—? x F = 2k<r A V* sin a 375 .-. HP oe AV3 W3 HP2 oc A^6 oc — A G. M. H. MODEL MONOPLANE. [384] I have been making a model monoplane, entirely of wood, except the motive power, which is elastic. I am sending you the scale drawing of it which I thought might be of some use to your readers. Note the flexible steering tips on the front plane. This model has flown all but 200 ft. Hoping every success to FLIGHT. C. RIDLEY (age 15). STEEL TUBING K WOOD. [385] I see most of the monoplane fusellages are made of wood. Is there any reason that you know of why these should not be made of light steel tubing ? Cambridge. H. S. WALTERS. [There are some constructors who advocate tubular steel-work for the frames of flying machines, but the majority contend that wood is more suitable, regarding it as being stronger for the same weight as used in this class of construction. It is more easily worked, and less limited in respect to shape; it somewhat facilitates the attachment of other members and small parts, and, above all, it is capable of bending and recovering from strains.—Ei>.] ® ® ® ® POINTS TO NOTE. WE are advised the British Bariquand and Marre Engine Co. Ltd., are now in a position to supply the " Band M " aeroplane engine constructed to the order of Messrs. Wright Brothers. Delivery can be made within three or four weeks from date of order. MESSRS. GOULD BROS., motor engineers, of Exeter, are, we learn, building to the order of a local enthusiast the chassis portion of a monoplane. This is to be fitted with a 3-cylinder Anzani engine and Cochrane propeller, both these being at present exhibited at their showrooms at London Inn Square, Exeter. Messrs. Gould have also secured the agency for Messrs. Handley Page, the well- known aeroplane constructors. FEBRUARY 26, 1910, DIARY OF FORTHCOMING EVENTS. 1910. Mar. n-ig July u-17 British Flight Exhibition at Olympia. Bournemouth Flight Meeting. Foreign IQIO. April 2-10 Biarritz. April 3-10 Cannes. April 10-25 Nice. May 10-16 Berlin. May 14-22 Lyons. May 20-30 Verona. June 5-12 Vichy. June 5-15 Budapest. June 18-24 St. Petersburg June 26-July 10 Rheims. Events. 1910. Aug. 6-13 Events. July 14-24 July 24-Aug Aug. 25-Sep Sept. 8-18 Sept. 24-Oct Oct. 18-25 Oct. 25-Nov Flight Meeting, place not fixed. Rheims to Brussels, cross country event. 10 Belgium. . 4 Deauville. Bordeaux. 3 Milan. America. Gordon-Bennett Balloon Race. 2 America. Gordon-Bennett Aeroplane Race. 5.699-10,764. H.153- 21,922. 22,176. 26,138. Aeronautical Patents Published. Applied tor In 1909. Published February 24M, 1010. R. P. ELWORTHY. Aerial machines. D. F. ROURKB. Airships, aeroplanes, &c. H. A. FRANKLIN AND OTHERS. Aeroplanes. A. H. Nicholson. Flying machines. A. J. FREDRIKSON. Airships. E. J. J. SALMSON AND P. E. AIME. Flying machines. W. BRIERLEY. Airships. C. J. BERTHEL. Airships. BACK NUMBERS OF "FLIGHT." SEVERAL back numbers are now very scarce, and have been raised in price as follows :— s. d. No. 2, Jan. 9, containing Table of Propellers 1 6 3 ,, 16 ,, ,, Engines 3 o 4 ,,23 ,, Engines at Paris Salon ., 3 6 6, Feb. 6 „ "How Men Fly" I o Aeronautical Bibliography. Wright Bros.' Elevator Patents. 8 ,, 20 ,, Flying Ground at Fambridge I o Illustrated Glossary. Human Side of Flying ... I o Aero Club Ground at Shellbeach. Military Aeronautics. Souvenir Supplement ... I 6 Engines at Olympia 1 o Prize List 3 6 Models at Olympia. Bleriot Flyer 2 o (Full page drawing.) Other back numbers, post free, \\d. each (including descriptions and scale drawings of the Voisin, Curtiss, Cody and Farman biplanes, the Santos Dumont, Antoinette, and Grade monoplanes, and of a full-size Wright glider. BINDING COVERS for Vol. I, price 2s. 4*/., post free. TITLE PAGE and INDEX for Vol. I, 2d., post free. Readers' own copies bound, price 4$. per part (in cluding cover, title page, and index, postage extra). VOLUME I, bound complete with all scarce numbers, 25.?., post free; in two parts, 281. 6d., complete. Prices of special binding on application. 10, Mar. 6 15, Apr. 10 16 „ 17 31. July 31 FLIGHT. 44, ST. MARTIN'S LANE, LONDON, W.C. Telegraphic address ; Truditur, London. Telephone: 1828 Gerrard. SUBSCRIPTION RATES. FLIGHT will be forwarded, post fiee, to any part of the world at the following rates :— UNITED KINGDOM. ABROAD. 3 Months, Post Free 6 it •» 12 ll M s. d. ... 1 8 -33 .„ 6 6 3 Months, Post Free... 6 „ 12 „ „ s. d. 2 6 5 0 10 0 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. I48
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