XFLY 80MM DUCTED FAN WITH 3280-KV2200 MOTOR (6S VERSION)Galaxy EDF power systems were originally designed by Xfly model team based on strong theory and repeated practice. From market demand, product design, simulation, product optmisation to mass production. The whole process requires professionaql knowledge of hydrodynamics and structural mechanics for making EDF units almost perfect in overall efficiency and sound effect. Xfly model team uses first class molding design, strict tolerance match and