Buy the Hubsan H501S Here – http://www.banggood.com/Hubsan-X4-H501S-5_8G-FPV-With-1080P-HD-Camera-Brushless-Motor-GPS-RC-Quadcopter-RTF-p-1004657.html?rmmds=search?p=5003002035849201508W As it turns out, the Hubsan H501S …
More on the VX1 frame: https://downanddirtydrones.com/portfolio/ Drone physics: https://downanddirtydrones.com/drone-physics/ Featured at rotor builds: https://rotorbuilds.com/build/4006 …