구형 비행체 (Spherical Flight Vehicle, Flying Sphere Dron) Spherical flight vehicle with a single rotor type using 4 control surface can Vtol and Hovering. And it can move on the ground by rolling. In circumstance such like sudden contact or crash between other things, it won’t be break for the shape of sphere. This study deal with motion equation and new type of RPM Thrust characteristic Equation of Air vehicle with single rotor and 4 control surface, .. 더보기 이전 1 2 3 4 ··· 123 다음