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Aviation History
1910
1910 - 0380.PDF
Jypg trial trips, and then started off on a long flight which was only completed after 40 kiloms. had been covered, while on Sunday last he took advantage of a lull between two storms, and flew for 10 kiloms., landing from a good height en vol plane. Practice at Juvisy. HAVING temporarily abandoned his monoplane M. Jean Dufour was flying on a Voisin biplane at Juvisy on Monday, and eight times he covered the complete course. Ladougne also made one or two good flights on the Goupy biplane, once or twice reaching a height of 150 metres. Wagner Flying at Rheims. MOUNTED on a Hanriot monoplane, Wagner flew for 26 mins. at Rheims on the 5th inst., and afterwards he carried M. Chassagne as a passenger for a distance of 12 kiloms. M. Bleriot at Pau. ONE or two Bleriot pupils still continue to practise at Pau, and on the 7th M. Bleriot and M. Leblanc returned there in order to test their new two-seated monoplane. M. Bleriot made a short trip with a passenger, passing over the Wright aerodrome. For the following day M. Bleriot was himself a passenger on the machine, M. Leblanc being in charge of the levers during a cross country trip which lasted 25 mins. Rene Thomas an Aviator. OUR motor cycling readers will remember that, owing to an accident in a race at Canning Town track, Rene Thomas was forced to give up motor cycle racing, in which he had hitherto been so successful. Last year, however, he made a welcome reappearance at the wheel of a little racing voiturette, and now we hear that he is to become an aviator. He has been engaged by the Antoinette Co., and is at present taking lessons from Wachter and Kuller, the instructors at the Antoinette school at Chalons. Prize for Lady Flyers. WITH a view to encouraging the fair sex to take up flying, M. Pierre Laffitte has offered a cup, value 2,000 francs (^80), for the lady who, at the end of this year, shall have made the longest flight. The prize is to be called the Coupe Femina, and no special entry will be necessary, but all records submitted must be duly authenticated. Flying Round Strasburg Cathedral. ONE of the most successful manipulators of the Antoinette monoplane, other than Latham, has been Herr Wiencziers, a young Silesian, who surprised the people of Strasburg on Tuesday of last week by circling round their Cathedral spire. Starting from the drill-grounds of the garrison, about 7 o'clock in the evening, he flew over the city and doubled the spire twice before returning to his starting place, a little over two miles out of the city. During the flight a height of 650 ft. was attained. MAY 14, 1910. Wright School of Flyers. ACCORDING to a despatch from New York, the Wright Brothers are now training some thirty young men at their flying ground, which is about 300 acres in extent, at Montgomery, Alabama. When they are proficient, these new aviators will be sent round the country to give exhibition flights, and thus influence orders for Wright flyers. These will then be built in the big factory which is being put up at Dayton, and to be in full swing at the end of June. Mich in "L'Auto." " Oiseau du Far-West: Vautour Jaune, la Terreur des Airs." —How the French see Mr. Wilbur Wright in connection with the Wright-Paulhan patents action. CORRESPONDENCE,. The name and address oj the writer (not necessarily for publication) MUST in all cases accompany letters intended fot insertion, or containing queries. Correspondents asking questions relating to articles which they have read in FLIGHT, would much facilitate our work of reference by giving the number of the letter. NOTE.—Owing to the great mass of valuable and interesting corre spondence which we receive, immediate publication is impossible, but each letter will appear practically in sequence and at the earliest possible moment. QUESTIONS ON BUILDING A GLIDER. [506] I intend building a man-lifting glider (biplane) with main planes 20 ft. long. I wish to keep expenses dawn, and should like the advice of some of your readers who have built gliders which have been successful. 1. What material is suitable for the construction of framework, taking weight, strength and cost into consideration? 2. Cheap and suitable covering fabric ? 3. Where the above materials can be obtained ? Leeds, P. G. ROBINSON. SOARING FLIGHT. [507] I have noticed some large birds—rooks and seagulls— which after the few strokes of their wings necessary to raise them off the ground, move through the air for as far as a quarter of a mile in a level, or even slightly rising plane, in all directions, and occasionally circling, with only enough movement of their wings to preserve their stability ; moreover they always do it on days when the wind is imperceptible ; on rough days they take advantage of rising currents on the sides of hills, in the manner of Mr. Wilbur Wright's birds. Could you kindly explain the phenomenon, which seems contrary to all laws ? Thanking you for the immense amount of interesting and valuable matter published in your most useful paper. S. W. MAXWELL. [Our correspondent refers to the phenomenon of soaring flight, whioh can only take place in wind having an upward trend or a variable velocity. It may be said with truth that dead calm is an atmospheric state unknown in nature, and all experiments that have ever been made have shown winds to be variable in velocity. Authentic records exist of cases in which atmospheric conditions at first thought to be calm have in reality represented up currents of sufficient strength for soaring flight. The causes of such up currents are numerous. Inland, the heating of the ground under the sun's rays is sufficient to produce a strong enough current in some dimates. The theory of soaring flight in winds of variable velocity is rather complicated, but in the case of simple up currents or winds having an upward trend the explanation of soaring flight is simple. Flight is relative to the wind in which it takes place, and where, in absolutely still air, the bird would glide 378
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