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Updated: August 22, 2024
Let no one speak to him." And then the young vice-president went out to meet the arriving police. Mr. Robert Wade, slowly pacing along Fourteenth Street, had stopped to whisper a few words in Lilienthal's attentive ear. There was a delectable "private view" which was arranged for two o'clock on this happy afternoon. As the smug "dealer" bowed, his mind reverted to Mr.
Concerning this Pilcher stated that he purposely finished his own machine before going to see Lilienthal, so as to get the greatest advantage from any original ideas he might have; he was not able to make any trials with this machine, however, until after witnessing Lilienthal's experiments and making several glides in the biplane glider which Lilienthal constructed.
The first accounts which they read of experiments with flying machines turned their inventive genius into the new field. In particular the newspaper accounts at that time of Otto Lilienthal's exhibitions with his glider stirred their interest and set them on to search the libraries for literature on the subject of flying.
For a time we were led to suspect that the lift of curved surfaces little exceeded that of planes of the same size, but further investigation and experiment led to the opinion that the anemometer used by us over-recorded the true velocity of the wind by nearly 15 per cent.; that the well-known Smeaton coefficient of .005 V^2 for the wind pressure at 90 degrees is probably too great by at least 20 per cent.; that Lilienthal's estimate that the pressure on a curved surface having an angle of incidence of three degrees equals .545 of the pressure at 90 degrees is too large, being nearly 50 per cent. greater than very recent experiments of our own with a special pressure testing machine indicate; that the superposition of the surfaces somewhat reduced the lift per square foot, as compared with a single surface of equal area.
"Fräulein Gluyas resides in Brooklyn?" he said, with a fine air of carelessness. Lilienthal's eyes swept obliquely the young man's distrustful face. "Fräulein Gluyas ordered the picture sent to the rooms of her music master, 192 Layte Street, Brooklyn. Poor old Raffoni was once a world-wide star, a velvet tenor. Now he is literally a voice maker, a master of technique for Maurice Grau.
For Lilienthal's disillusionment came apace, and he finally recognized the error of his ways. In his book, My Travels in Russia, published both in English and in German, he admits that the opponents of the schools he advocated were after all in the right. Education without emancipation was indeed the straightest road to conversion. Witness the thirty thousand Jewish apostates in St.
"But the wild-hearted witch may speculate in love a little on her own account. She is only to be trusted as far as any other woman." He snorted in disdain. "And the fellow is young, eager, good looking. At any rate, I shall steer them both out of Lilienthal's clutches. The game is too risky for 'mein frent Adolph. He is wrapped up in his greed, his blackmail schemes, his 'sure thing' villainies.
At dawn on Monday they loaded the glider upon a wagon and galloped with it out to a forty-foot hill. They stared down the easy slope, which grew in steepness and length every second, and thought about Lilienthal's death. "W-w-well," shivered the Turk, "who tries it first?" All three pretended to be adjusting the lashings, waiting for one another, till Carl snarled, "Oh, all right!
This did not present him from being a decided opponent of the new enlightenment. In the course of Lilienthal's educational propaganda in 1843, Rabbi Mendel was summoned by the Government to participate in the deliberations of the Rabbinical Committee at St. Petersburg. There he found himself in a tragic situation.
To recapitulate in the course of these original experiments the Wrights confirmed Lilienthal's theory of the reversal of the centre of pressure on cambered surfaces at small angles of incidence: they confirmed the importance of high aspect ratio in respect to lift: they had evolved new and more accurate tables of lift and pressure on cambered surfaces: they were the first to use a movable horizontal elevator for controlling height: they were the first to adjust the wings to different angles of incidence to maintain lateral balance: and they were the first to use the movable rudder and adjustable wings in combination.
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