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Sascha on Twitter: "Helicopter 🚁 : Vuichard Recovery Technique - How to escape a Vortex Ring State Best Video to: explain this 🤩 https://t.co/6DZCh6u77B #helicopter #Vortex https://t.co/j3qmLghwvm" / Twitter
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Optimal-time quadcopter descent trajectories avoiding the vortex ring and autorotation states - ScienceDirect
Simulation of a helicopter in Vortex Ring State through a coupled simulation of multi-body dynamics and aerodynamics"
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Sophrodyne's Richard Brown on the susceptibility of eVTOL aircraft to vortex ring state - Vertical Mag
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