Just what further procedure is necessary to secure successful flight with the large aerodrome has not yet been decided upon. Professor Langley is understood to have this subject under advisement, and will doubtless inform the Board of his final conclusions as soon as practicable. Charlotte鈥檚 Happy Birthday.鈥? CHAPTER II One can imagine how the house echoed with the gay voices and laughter of the young people, as they pursued their various games, led by the indefatigable Charlotte. Mr. Tucker loved the sound of those merry voices; and when he could join them he was probably the merriest of the whole party. At one period, heavy and long-continued work in 鈥榗learing up the finances鈥?of the East India Company kept him much apart from the family circle; and the delight was great when he could leave his big dry books, and be as a boy among the children again. At the outbreak of hostilities in 1914, thanks to subsidies to contractors and prizes to aircraft pilots, the German aeroplane industry was in a comparatively flourishing condition. There were about twenty-two establishments making different types of heavier-than-air machines, monoplane and biplane, engined for the most part with the four-cylinder Argus or the six-cylinder Mercedes vertical type engines, each of these being of 100 horse-power鈥攊t was not till war brought increasing demands on aircraft that the limit of power began to rise. Contemporary with the Argus and Mercedes were the Austro-Daimler, Benz, and N.A.G., in vertical design, while as far as rotary types were concerned there were two, the Oberursel and the Stahlhertz; of these the former was by far the most459 promising, and it came to virtual monopoly of the rotary-engined 鈥榩lane as soon as the war demand began. It was practically a copy of the famous Gnome rotary, and thus deserves little description. 日本毛片高清免费视频_高清在线观看,亚洲黄色小说 A suggestion for applying hydrogen gas to Lana鈥檚 鈥楢erial Ship.鈥?Rome, 1784. Except he wasn鈥檛 sure what 鈥渋t鈥?was. The revelation he鈥檇 been hoping for was right in front of hiseyes, but he couldn鈥檛 quite grasp it; he could only catch the glim around the edges, like spotting thecover of a rare book in a candlelit library. But whatever 鈥渋t鈥?was, he knew it was exactly what hewas looking for. Except the Digamma, echoed the doctor merrily. And when he was alone with his wife that night, he remarked to her that he was immensely thankful to see the great improvement in their beloved child this winter. By the time Langley had advanced sufficiently far to consider it possible to conduct experiments in the open air, even with these models, he had got to his fifth aerodrome, and to the year 1894. Certain tests resulted in failure, which in turn resulted in further modifications of design, mainly of the engines. By February of 1895 Langley reported that under favourable conditions a lift of nearly sixty per cent of the flying weight was secured, but although this was much more than was required for flight, it was decided to postpone trials until two machines were ready for the test. May, 1896, came before actual trials were made, when one machine proved successful and another, a later design, failed. The difficulty with these models was that of securing a correct angle for launching; Langley records how, on launching one machine, it rose so rapidly137 that it attained an angle of sixty degrees and then did a tail slide into the water with its engines working at full speed, after advancing nearly forty feet and remaining in the air for about three seconds. Here, Langley found that he had to obtain greater rigidity in his wings, owing to the distortion of the form of wing under pressure, and how he overcame this difficulty constitutes yet another story too long for the telling here. Yet the fact that the Allied airmen kept the air at all in the early days proved on which side personal superiority lay, for they were outnumbered, out-man?uvred, and faced by better material than any that they themselves possessed; yet they won their fights or died. The stories of their deeds are endless; Bishop, flying alone and meeting seven German machines and crashing four; the battle of May 5th, 1915, when five heroes fought and conquered twenty-seven German machines, ranging in altitude, between 12,000 and 3,000 feet, and continuing the extraordinary struggle from five until six in the evening. Captain Aizlewood, attacking five enemy machines with such reckless speed that he rammed one and still reached his aerodrome safely鈥攖hese are items in a long list of feats of which the character can only be realised when it is fully comprehended that the British Air Service accounted for some 8,000 enemy machines in the course of the War. Among the French there was Captain Guynemer, who at the time of his death had brought down fifty-four enemy machines, in addition to many others of which the destruction could not be officially confirmed. There was Fonck, who brought down six machines in one day, four of them within two minutes.