| 摘要 |
The present invention relates to a rotor blade device. The rotor blade device according to the present invention comprises: multiple blades which are installed in the head of a rotor; and multiple light emitting parts which are installed in the ends of the blades, respectively, to emit light having various colors. According to the present invention, the rotor blade device enables a user to easily confirm the deviation of a track caused by the rotation of the blades with the naked eye by installing multiple light emitting parts for emitting light having various colors in the blades, respectively. |
