Crazepony&reg; Emax MT2204 2300KV CW Brushless Motor for Multirotor Quadcopter QAV250 Motor Rotation Direction: CW This motor will give the QAV250 top end speed compare with MT1806. Emax MT2204 2300KV brushless motor is high performance, high kv motor built for those looking for top speed and power.Perfect for spinning a 5 Need MT2204 with CW propeller adapters,preventing the propeller from getting rid off in QAV250. KV:2300,Diameter:27.9mm,Length:32.2mm,MAX thrust:440gone,ESC recommend:12A-18A