The invention relates to a power system and a multi-rotor aircraft comprising the same, wherein the power system comprises a duct, a first rotor wing unit and a second rotor wing unit; the first rotor wing unit comprises a first rotor wing; the second rotor wing unit comprises a second rotor wing; both an axis of the first rotor wing and an axis of the second rotor wing are collinear with a central line of the duct; the rotational directions of the first rotor wing and the second rotor wing are opposite; both the first rotor wing and the second rotor wing are arranged in the duct; the propeller diameter of the first rotor wing used for providing downwash flow for a propeller root region of the second rotor wing is smaller than that of the second rotor wing. The multi-rotor aircraft comprising the power system has good pneumatic efficiency.


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    Title :

    Power system and multi-rotor aircraft


    Contributors:
    HE CHUNWANG (author)

    Publication date :

    2015-07-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge




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