Tài liệu hạn chế xem trước, để xem đầy đủ mời bạn chọn Tải xuống
1
/ 266 trang
THÔNG TIN TÀI LIỆU
Thông tin cơ bản
Định dạng
Số trang
266
Dung lượng
3,82 MB
Nội dung
[...]... equal to the weight of the operator and apparatus or nearly so The wind will blow the machine out from the base of the tower andthe weight will be sustained partly by the upward pull of the rope and partly by the lift of the wind The counterbalance will be so arranged that the pull decreases as the line becomes shorter and ceases entirely when its length has been decreased to one hundred feet The aim... to design and build presses for other firms Although thebrothers were known to “scrap” from time to time—voices were often raised in the shop as they argued out a design point—they were fiercely loyal to each other and almost a subset of the larger Wright family It seemed to family and friends that Wilbur and Orville would pass their days as successful, modestly wealthy, valued members of the Dayton... letter to Chanute was a failure, as Chanute had predicted, andthe camber of the wings—at 1:23 only half what Lilienthal had used—made high winds a necessity for flight But thebrothers learned proper positioning of the elevator, an airfoil in the front of the craft to provide additional lift and help control pitch; that the operator should lie prone rather than in a sitting position; andto change the. .. able to add a motor—which Orville and Charlie Taylor could build and achieve powered flight the following year So confident were Wilbur and Orville in the season’s triumph that they invited Octave Chanute to visit them in Dayton before their departure and then to Kitty Hawk to witness their achievement Over dinner, Chanute suggested they bring with them Edward Huffaker, who was described as being in the. .. glider finally flew at the end of July, it exhibited a tendency to plunge straight down into the sand unless Wilbur (who once again did all the flying) pushed himself all the way back in the middle to alter the center of gravity and then reached all the way forward to move the elevator in a full-up position Even with these contortions, the glider flew erratically, sometimes threatening to plummet from twenty... be to eventually practice in a wind capable of sustaining the operator at a height equal to the top of the tower The pull of the rope will take the place of a motor in counteracting drift Wilbur asked Chanute to suggest the “suitable locality.” Chanute, by then sixty-eight years old, turned out to be the perfect correspondent, especially for one as committed to science for science’s sake as Wilbur Wright. .. certain distance into the labyrinth, the next penetrating further, and so on, until the very centre is reached and success is won In the hope, therefore, of making the way easier to others, I have set down the relation of these experiments, perhaps at tedious length, so that other searchers may carry the work of exploration further.6 Wherever the truth lies, Herring, described as “a bitter and frustrated... results were good—Wilbur seemed to be able to control the stability of the kite by twisting the sets of wings in opposite directions From there, the next step was to refine the arrangement and then build a kite large enough to carry a man In order to achieve success with a more complex apparatus, Wilbur had to move beyond theory and teach himself both aerodynamics and engineering The materials from which... father’s side or helping in the effort from the family home in Dayton With it all, however, Milton’s branch of the Brethren lost all but one of the lawsuits, which left the Radicals without property and nearly destitute The church schism left deep scars on Milton as well as Wilbur, Orville, and Katharine, the three Wright siblings still living at home, and drew them inward “They came to believe in the. .. in the work shed at Kitty Hawk, 1901 The Wrights made sufficient modification tothe elevator andthe camber to correct the pitch problem, but then discovered that the wing-warping system, of which they had been completely confident, seemed also to create instabilities The system was operated by a hip cradle that Wilbur wore while lying prone on the bottom wing He would shift from one side to another . 1947– Birdmen : the Wright Brothers, Glenn Curtiss, and the battle to control the skies / Lawrence Goldstone. pages cm Includes bibliographical references. ISBN 97 8-0 -3 4 5-5 380 3-1 (hardcover :. Glenn Curtiss countered first launched America into preeminence in the skies and then doomed it to mediocrity. It would take the most destructive conflict in human history to undo the damage. The. often the case with those who despise each other, Curtiss and Wilbur were sufficiently alike to have been brothers themselves. Both were obsessive and serious, and one is hard-pressed to find