Lift devices in the flight of Archaeopteryx

Meseguer Ruiz, José and Chiappe, L. and Sanz García, José Luis and Ortega Coloma, Francisco and Sanz Andres, Angel Pedro and Pérez Grande, María Isabel and Franchini, Sebastián (2012). Lift devices in the flight of Archaeopteryx. "Revista Española de Paleontología", v. 27 (n. 2); pp. 125-130. ISSN 2255-0550.


Title: Lift devices in the flight of Archaeopteryx
  • Meseguer Ruiz, José
  • Chiappe, L.
  • Sanz García, José Luis
  • Ortega Coloma, Francisco
  • Sanz Andres, Angel Pedro
  • Pérez Grande, María Isabel
  • Franchini, Sebastián
Item Type: Article
Título de Revista/Publicación: Revista Española de Paleontología
Date: 2012
Volume: 27
Freetext Keywords: Flight origins, Lift devices, Boundary layer control, Archaeopteryx, Palaeobiology
Faculty: E.T.S.I. Aeronáuticos (UPM)
Department: Vehículos Aeroespaciales [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Archaeopteryx has played a central role in the debates on the origins of avian (and dinosaurian) flight, even though as a flier it probably represents a relatively late stage in the beginnings of fl ight. We report on aerodynamic tests using a life-sized model of Archaeopteryx performing in a low turbulence wind tunnel. Our results indicate that tail deflection significantly decreased take-off velocity and power consumption, and that the first manual digit could have functioned as the structural precursor of the alula. Such results demonstrate that Archaeopteryx had already evolved high-lift devices, which are functional analogues of those present in today's birds.

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Item ID: 15674
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Deposited by: Memoria Investigacion
Deposited on: 11 Nov 2014 18:58
Last Modified: 19 Feb 2015 19:11
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