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1849 boy-carrier showing the dihedral
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1849 boy-carrier showing the dihedral
(a) Rear view of the 1849 boy-carrier, showing the dihedral angle of the triplane wings, and imaginary flappers of bird-wing form; (b) the favoured form of propulsive flappers in 1853, to be used on the coachman-carrier of 1853; (c) the levers for working the flappers. From Cayleys original notebook
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Media ID 9894293
© Mary Evans Picture Library 2015 - https://copyrighthub.org/s0/hub1/creation/maryevans/MaryEvansPictureID/10841850
1849 1853 Angle Carrier Cayley Cayleys Dihedral Favoured Flappers Form Imaginary Rear Triplane Wing Wings
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EDITORS COMMENTS
1. Title: "Cayley's Boy-Carrier: An Early Aviation Innovation - A Rear View of the 1849 Triplane Design This image from Cayley's original notebook showcases the rear view of his 1849 boy-carrier, an early aviation innovation that predated the Wright Brothers' first powered flight by over five decades. The design features a triplane wing configuration, with each wing exhibiting a dihedral angle, or upward sweep at the tips. This angle was crucial for maintaining lateral stability during flight. 2. Imaginary Bird-Wing Flappers In the image, we can also observe the imaginary flappers of bird-wing form attached to the rear wings. These flappers were an essential component of Cayley's design, intended to provide propulsion. Although not physically present in the depicted model, they illustrate the inventor's forward-thinking approach to aviation. 3. The Favoured Form of Propulsive Flappers in 1853 By 1853, Cayley had refined his design, favoring a different form of propulsive flappers for the coachman-carrier. The image provides a comparison between the earlier dihedral angle wings and the new favored flappers. This evolution in design demonstrates Cayley's continuous pursuit of innovation in the field of aviation. 4. The Levers for Working the Flappers The image also reveals the levers for working the flappers, which were an integral part of the design. These levers would have been operated by the passengers or the pilot to generate lift and propulsion, making the boy-carrier a unique and intriguing precursor to modern aircraft. In summary, this photograph offers a fascinating glimpse into Cayley's groundbreaking work on the boy-carrier, showcasing his innovative designs and the evolution of his ideas over time. The image serves as a testament to his pioneering role in the history of aviation.
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