FOR DECADES, NASA HAS USED computer models to simulate the airflow around aircraft, in order to test designs and especially, to improve aerodynamic performance. At the NASA Ames Research Center in California, researchers used this technique to explore the aerodynamics of a popular consumer drone, a modified DJI Phantom 3 quadcopter. According to Ames, the simulation reveals the complex motions of air particles, made especially so by the interactions between the Phantom 3's four twin-blade rotors and the X-shaped body. In the video, airflow interactions are shown as undulating lines, low-pressure air in blue, high-pressure in red. The drone that NASA chose, the highly respected DJI Phantom 3, is a good example of a serious-amateur level machine. Drone manufacturer DJ reckons the all-white machine can do plenty: * Easy to Fly: An intelligent flight system automatically keeps your Phantom 3 Standard in the air and under your control. * Amazing Images: Take stunning 2.7K HD vid...
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