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
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Ducted Fan Efflux - How to calculate distance travelled to its approximate velocity? - Aeronautic & Space engineering general discussion - Eng-Tips
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Jaunty Alouette" Ducted Fan Control Line Article & Plans, September 1954 Air Trails - Airplanes and Rockets
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Schematic and instrumentation of the 559 mm diameter ducted fan system | Download Scientific Diagram
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