Go to https://ground.news/ziroth to stay fully informed on breaking news, compare coverage, and avoid media bias. Sign up for FREE or subscribe for unlimited access to support their mission. Toroidal propellers have shown the ability to increase efficiency and reduce noise on boats and drones, but in this video we will see if these benefits can be transferred to wind turbines and planes. Sources: [D B Sugden patent] https://patents.google.com/patent/US3504990A/en?oq=US3504990A [Plane propeller patent] https://patentimages.storage.googleapis.com/bc/13/b0/bd603ceb80fdfd/WO2011081577A1.pdf [Spiroid winglets] https://www.aviationpartners.com/technology-reshaping-aviation-partners-winglets/ [PhD thesis] http://dx.doi.org/10.13140/RG.2.2.22991.74408 [https://www.youtube.com/channel/UC4AkVj-qnJxNtKuz3rkq16A 's video] https://www.youtube.com/watch?v=wNktIb9hSA4 [Wind toroidal base] https://www.jstor.org/stable/43749543?casa_token=woM4LRF0I5EAAAAA%3AUa91Jrpfzd4OvGksU2O4WA0NHp4dsMcir8TNMX3Vf4155DSreDTMMz7LC7v1QDYl8OePVI0RgJX9IskLFHXr6dC5rEfKw_PvxZUmKG2_Q5dUuVjwA9Y&seq=2 Intro card by Johannes Skolaude https://johannesskolau.de/ 00:00 Intro 00:27 Recap 01:18 Design origins 01:58 Planes 04:45 Wind Energy #toroidal #windenergy #breakthrough