Ducted fan design volume 1 pdf

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Unmanned VTOL ground surveillance vehicleĪncillary aerodynamic structures for an unmanned aerial vehicle having ducted, coaxial counter-rotating rotors STOL/VTOL free wing aircraft with improved shock dampening and absorbing means Horizontal and vertical take off and landing unmanned aerial vehicle STOL/VTOL free wing aircraft with modular wing and tail Universal VTOL power and rotor system module Method of reducing a nose-up pitching moment on a ducted unmanned aerial vehicle Unmanned aerial vehicle with counter-rotating ducted rotors and shrouded pusher-prop Transmission for a coaxial counter rotating rotor systemĬonvertible vertical take-off and landing miniature aerial vehicle

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