We are currently in the process of making a UAV carrying a DSLR camera. After alot of research we have some concerns regarding a couple of issues, explained in the following… We are building a 'Hexacopter’, as we need stability and power enough to carry a relatively heavy DSLR, as the 5D/7D.We figure that the entire structure along with the camera gimbal, motors, battery, etc. will weigh around 6-7 kg.  The controller is thought to be the Arduino-based 'ArduPilot' (…See More