Synopsis
Excerpt from Le Problème de la Direction des Ballons
Le nouveau dirigeable de Chalais - Meudon pourra donc revenir environ trois fois sur quatre à son point de départ, les ascensions étant faites par des temps absolument quelconques. Remarquons en outre que la vitesse et la direction des courants aériens changent avec la hauteur, circonstance qu'on peut utiliser pour augmenter la vitesse de marche et même pour aborder, quand la vitesse est inférieure à celle du vent, des points dont l'accès serait interdit avec un courant unique. Dans ces conditions, on voit que la vitesse de il m est très généralement suffisante. Avec une vi tesse de 20 m on pourrait se diriger à son gré, sauf par les vents assez violents pour endommager les toitures. J'ajoute que l'aéro naute, emporté par les courants aériens avec leur propre vitesse, ne s'aperçoit de l'ouragan que par la rapidité avec laquelle la terre est entraînée sous ses pieds.
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Le Problà me de la Direction des Ballons (Classic Reprint)
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Paperback. Condition: New. Print on Demand. This historical text examines the development of dirigible balloons, tracing their evolution from early concepts to the groundbreaking designs of the late 19th century. The author analyzes the challenges faced by inventors, focusing on the need to overcome instability, reduce resistance, and increase speed. Through a close examination of notable experiments, including those conducted by Meusnier, Giffard, Dupuy de LÃ me, and Tissandier, the author highlights the gradual progress towards achieving controlled flight. The text culminates in a discussion of the significant advancements made by Captains Renard and Krebs, whose innovations paved the way for practical and reliable dirigible technology. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Seller Inventory # 9780266689690_0
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Le Probl?me de la Direction des Ballons (Classic Reprint)
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PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LW-9780266689690
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Le Probl?me de la Direction des Ballons (Classic Reprint)
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PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LW-9780266689690
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