✈️ Voler avec des rouleaux à la place des ailes ? Les engins à effet Magnus - Techniques anciennes

In 1852, Magnus described a particular aerodynamic effect that would be used, 70 years later, to design some rather original means of propulsion. Support the channel on Tipeee: https://fr.tipeee.com/monsieur-bidouille Support the channel on Utip: https://utip.io/monsieurbidouille My channel:    / monsieurbidouille   My Peertube instance: https://video.monsieurbidouille.fr Facebook:   / monsieurbidouille   Twitter:   / mrbidouille   Mastodon: https://framapiaf.org/web/accounts/23449 Website: http://monsieurbidouille.fr Discord:   / discord   A few clarifications: I didn't talk about the turbosail on Cousteau's ship; the principle is different from a simple rotating cylinder, and adding explanations would have made the video too long. The article I used to make this video: http://www.homepages.ed.ac.uk/shs/Cli... (The link is broken, here's a backup: https://web.archive.org/web/201512230...) Video from Science Étonnante "How do airplanes fly?"    • Comment les avions volent-ils ?   Sources: NASA research on VTOLs: https://history.nasa.gov/SP-3300/ch8.htm https://fr.wikipedia.org/wiki/Couche_... "World's most advanced wind-powered fan": https://www.flettner.co.uk/fr/product... A current project using the Magnus effect: http://www.fanwing.com/news.htm Chappedelaine Aerogyro https://www.retronews.fr/journal/scie... agnus%2522%26sort%3Dscore%26publishedBounds%3Dfrom%26indexedBounds%3Dfrom%26page%3D1%26searchIn%3Dall%26total%3D409&index=2 Music: Audionetwork Videos: What Happens When a Spinning Basketball is Thrown Off a Dam!    • What Happens When a Spinning Basketball is...   Aerodynamics | Pressure profile around airfoil    • Aerodynamics | Pressure profile around air...   Magnus effect Smoke Flow    • Video   Paris A380 landing:    • PARIS | A380 LANDING 4K EXTENDED   OV-10 Bronco short landing    • OV-10 Bronco short landing   DJI Phantom 3 Advanced - Enercon E-Ship 1 Flettner Rotor Cargo    • DJI Phantom 3 Advanced - Enercon E-Ship 1 ...   #magnus #NASA #transport