作者: Nicolae Bostan
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摘要: An unmanned air vehicle (UAV) having a ducted fan configuration with propeller mounted inside of an opening that extends longitudinally through fuselage. A gyroscopic stabilization device is attached to the shaft such rotation also results in device. The has sufficient mass and rotates at angular velocity aircraft gyroscopically stabilized during flight. In one embodiment, comprises ring outer tips another embodiment comprised disc.