Ducted Fan Design: Is It Worth It? - Discussions - diydrones
Ducted Fan Drone Uses 1 Rotor For VTOL | Hackaday
Flyt Aerospace Supply Drone (concept design)
Flight dynamics modeling of a small ducted fan aerial vehicle based on parameter identification - ScienceDirect
Fleye Ducted-Fan Drone now on Kickstarter - YouTube
Ducted fan - Wikipedia
Drone maker uses Simcenter STAR-CCM+ and HEEDS to deliver the world's first true ducted fan
Can we make a quad-copter with a ducted fan and make it perform basic functions? What is good for a quad-copter, ducted or just normal propellers? Why? - Quora
Going Bladeless - Inside Unmanned Systems
Problems with Ducted fan design with standard PIDs - ArduCopter User Group - diydrones