Watch Air Swirl Around a Quadcopter Drone's Rotors
https://www.wired.com/2017/01/stunning-animation-reveals-air-swirling-around-drone/
Science proves drones don’t have to be so damn loud.
Watch Air Swirl Around a Quadcopter Drone's Rotors
https://www.wired.com/2017/01/stunning-animation-reveals-air-swirling-around-drone/
Science proves drones don’t have to be so damn loud.