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  • Brevet Sikorsky sur l'avion à sustentation directe. Ancêtre de l'hélicoptère
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
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  • Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
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  • Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
  • Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
  • Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor

Brevet Sikorsky sur l'avion à sustentation directe. Ancêtre de l'hélicoptère

$21.23
Expédition calculée lors du paiement.
$21.23
Expédition calculée lors du paiement.

Le Direct Lift Aircraft, brevet américain n° 1,994,488 (accordé en 1935), présente une conception pionnière d'aéronef à voilure tournante qui a jeté les bases de l'hélicoptère moderne. Présenté sous forme de dessins techniques détaillés en noir et blanc, le brevet illustre un rotor principal unique combiné à un rotor de queue vertical pour contrecarrer le couple. Le style schématique met l'accent sur le flux d'air, la clarté mécanique et l'équilibre, capturant le moment où le vol vertical est passé de la théorie à l'ingénierie pratique. En tant qu'œuvre d'art, elle reflète l'élégance de la résolution des problèmes aéronautiques précoces grâce à un trait industriel précis.

L'inventeur, Igor I. Sikorsky, fut l'un des ingénieurs aéronautiques les plus influents du 20e siècle. Né en Russie et ayant travaillé plus tard aux États-Unis, Sikorsky a révolutionné l'aviation en développant avec succès les premiers hélicoptères pratiques. Sa carrière a fait le pont entre les avions à voilure fixe et l'innovation en matière de décollage vertical, et ses brevets restent des symboles emblématiques du progrès technologique. Cette œuvre a consolidé son héritage en tant que père de l'hélicoptère moderne.

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