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