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Serokhvostov, S.V. (author), Ageev, N.D. (author), Arkhipov, M.E. (author)Investigated is the ability of the usage of small height ducted fans in multicopters for increase in the hover time and protecting the propellers and surrounding. A set of numerical and experimental investigations concerning duct aerodynamics and efficiency of electrical part (drive, speed controller, accumulator) was conducted. The effects of...conference paper 2014