File:Dirigeable de Guyot, corps de moindre traînée, 1784.jpg
Dirigeable_de_Guyot,_corps_de_moindre_traînée,_1784.jpg (637 × 531 pixels, file size: 147 KB, MIME type: image/jpeg)
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Summary
[edit]DescriptionDirigeable de Guyot, corps de moindre traînée, 1784.jpg |
Français : Dirigeable de Guyot, corps de moindre traînée, 1784 |
Date | autour de 1784 |
Source |
LA NAVIGATION AÉRIENNE : HISTOIRE DOCUMENTAIRE ET ANECDOTIQUE... Joseph Louis LECORNU, Nony (Paris), 1903 Notice du catalogue : http://catalogue.bnf.fr/ark:/12148/cb30768510f ou : https://gallica.bnf.fr/ark:/12148/bpt6k5623744h/f2.item.r=Schwartz.zoom La version d'origine du dessin peut être chargée dans "Essai sur la construction des ballons aérostatiques et sur la manière de les diriger" par Edme-Gilles Guyot, 1784, Gueffier (Paris) [1] |
Author | Unknown authorUnknown author |
Licensing
[edit]Public domainPublic domainfalsefalse |
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This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer. This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929. |
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. |
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
Annotations InfoField | This image is annotated: View the annotations at Commons |
On pourrait penser, au vu de ce dessin, que Guyot fait œuvre de précurseur en plaçant à l'avant de l'enveloppe de son ballon sa plus grosse extrémité (comme cela doit être fait pour les corps de moindre traînée). Cependant, à la lecture de son ouvrage, il s'avère que Guyot ne désire que minimiser l'action du vent sur l'enveloppe de l'aérostat (le vent étant censé venir de l'arrière) afin que l'action de ce vent sur la voile soit plus efficace !
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current | 16:06, 18 November 2023 | ![]() | 637 × 531 (147 KB) | Bernard de Go Mars (talk | contribs) | Uploaded a work by Unknown from LA NAVIGATION AÉRIENNE : HISTOIRE DOCUMENTAIRE ET ANECDOTIQUE... Joseph Louis LECORNU, Nony (Paris), 1903 Notice du catalogue : http://catalogue.bnf.fr/ark:/12148/cb30768510f ou : https://gallica.bnf.fr/ark:/12148/bpt6k5623744h/f2.item.r=Schwartz.zoom with UploadWizard |
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