SunnySky V5208 High Efficiency Brushless MotorsDescription Sunnysky V series of motors are specially designed power for long endurance multirotor aircraft. Designing style of the whole series are high efficiency, stable stable structure, light weight, high consistency etc.. These flat V series motors are designed for long flight time multirotors. These motors can produce enough torque at low RPM and work at peak efficiency during flight. The whole series uses Sunnysky patented Stepped and knurled