The invention provides an unmanned plane which comprises a plane body. The plane body comprises a fuselage and a storage device which is arranged behind the fuselage and used for loading cargoes. Two or more front plane arms are symmetrically arranged around the central axis of the fuselage in the front-rear direction. One end of each front plane arm is connected with the front end of the fuselage and extends forwards. The other end of each front plane arm is provided with a front motor to drive the unmanned plane. Two or more rear plane arms are symmetrically arranged around the central axis of the fuselage. One end of each rear plane arm is connected with the rear end of the fuselage and extends backwards. The other end of each rear plane arm is provided with a rear motor to drive the unmanned plane. An intersection area formed by an extension cord, facing the fuselage, of each front plane arm or each rear plane arm and the central axis is located in front of the lift center of the unmanned plane. An action point of the resultant force from the front motors and the rear motors on the unmanned plane is the lift center, and the gravity center of the unmanned plane is close to the lift center. The plane arms of the unmanned plane are connected to the front portion of the fuselage, and a bearing space is reserved in the rear portion, so that the weight is distributed on the fuselage surface uniformly, and the control over the unmanned plane is simple and stable.
Unmanned plane
2015-12-23
Patent
Elektronische Ressource
Englisch
IPC: | B64C AEROPLANES , Flugzeuge |
Europäisches Patentamt | 2015
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