DIY FPV mini drone nighthawk 250 / QAV280 pure carbon frame kit + cobra 2204 2300KV motor + cobra 12A ESC + CC3D / NAZE32 10DOF diy mini drone fpv nighthawk 250 race quadcopter pure carbon frame kit emax 2204 2300kv motor emax 12a esc cc3d 6045 prop