<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Lost, technical knowledge of ancient cultures is being rediscovered in modern times during archaeological excavations. A presumed example of the innovative power of ancient cultures is the artefact “Bird of Saqqara”. In the context of this paper, the aerodynamic characteristics of the artefact are to be determined by a computational fluid simulation, in order to be able to make a statement about the actual flight suitability and to examine the theses of the pre-astronautics critically. Based on a 3D scan, a CAD model of the artefact is created and then a numerical flow simulation is performed. By varying the angle of attack, the dimensionless coefficients can be represented in corresponding polars. The results show that the artefact has a low maximum glide ratio and thus the glide properties are not sufficient for use as a handglider. The centre of gravity of the artefact is located at the trailing edge of the wing and behind the neutral point. The resulting longitudinal stability does not meet modern specifications. Asymmetric lift distribution in the spanwise direction results in uncontrolled roll. Consequently, the artefact cannot fly a straight path. Within the scope of this work, the connection between the “Bird of Saqqara” and an alleged knowledge of aerodynamics in ancient Egypt could not be confirmed.</p>
</abstract>

Lost, technical knowledge of ancient cultures is being rediscovered in modern times during archaeological excavations. A presumed example of the innovative power of ancient cultures is the artefact “Bird of Saqqara”. In the context of this paper, the aerodynamic characteristics of the artefact are to be determined by a computational fluid simulation, in order to be able to make a statement about the actual flight suitability and to examine the theses of the pre-astronautics critically. Based on a 3D scan, a CAD model of the artefact is created and then a numerical flow simulation is performed. By varying the angle of attack, the dimensionless coefficients can be represented in corresponding polars. The results show that the artefact has a low maximum glide ratio and thus the glide properties are not sufficient for use as a handglider. The centre of gravity of the artefact is located at the trailing edge of the wing and behind the neutral point. The resulting longitudinal stability does not meet modern specifications. Asymmetric lift distribution in the spanwise direction results in uncontrolled roll. Consequently, the artefact cannot fly a straight path. Within the scope of this work, the connection between the “Bird of Saqqara” and an alleged knowledge of aerodynamics in ancient Egypt could not be confirmed.

Aerodynamic Investigation on the Artefact “Bird of Saqqara”

City University of Applied Sciences, Faculty of Nature and Engineering

Acta Mechanica et Automatica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

{"article-title":"Aerodynamic Investigation on the Artefact \u201cBird of Saqqara\u201d"}

Lost, technical knowledge of ancient cultures is being rediscovered in modern times during archaeological excavations. A presumed example of the innovative...

Aerodynamic Investigation on the Artefact “Bird of Saqqara”

Data publikacji: 11 lip 2023

Zakres stron: 405 - 409

Otrzymano: 09 paź 2022

Przyjęty: 04 kwi 2023

DOI: https://doi.org/10.2478/ama-2023-0046

Słowa kluczowe
Saqqara, bird, aerodynamics, archaeology, CFD, flight mechanics, Paleo-SETI, Egypt, Ancient Aliens

© 2023 Michel Zierow et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Aerodynamic Investigation on the Artefact “Bird of Saqqara”

Data publikacji: 11 lip 2023

Zakres stron: 405 - 409

Otrzymano: 09 paź 2022

Przyjęty: 04 kwi 2023

DOI: https://doi.org/10.2478/ama-2023-0046

Słowa kluczoweSaqqara, bird, aerodynamics, archaeology, CFD, flight mechanics, Paleo-SETI, Egypt, Ancient Aliens

© 2023 Michel Zierow et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Słowa kluczowe
Saqqara, bird, aerodynamics, archaeology, CFD, flight mechanics, Paleo-SETI, Egypt, Ancient Aliens