Iyo FS400 ndiyo yedu hombe, ine simba zvakanyanya, uye inosiyana-siyana pasi fan.Chigadzirwa chacho chinoshandiswa zvakasiyana-siyana, chimiro chayo chinotenderera zvakakwana uye aerodynamic airfoil haisi kungopa mhepo yemhepo munzvimbo dzemukati paunonyanya kuida, iyo yakasiyana-siyana yekukurumidza kutonga inogadzirisa Kutsigira kunobvumira mushandisi kuti asarudze mhepo inoyerera maererano nezvavanoda.