A Safe, Ducted Drone With No Visible Blades | Hackaday
Amazon.com: Vbest life EDF 64mm 11-Blade Fan Propeller Tube with Brushless Motor for RC Remote Control Model Aircraft/Drone Accessories(KV 3500 4S EDF) : Toys & Games
Ikarus II - 3D Printed EDF UAV - YouTube
Ardcor Modelmakers - Carbon prepreg drone with rc edf technology . In house design and build | Facebook