bˈoʊθ sˈeɪlz ˈɔːlsoʊ kəntˈeɪnd ˈæksɪəl tˈɜːbaɪnz fɔːɹ pˈaʊɚ dʒˌɛnɚɹˈeɪʃən, ænd wɪð dˈiːkɹiːsᵻz ɪnðə kˈɔst ʌv kəmpjˈuːɾɚz, ˈɔːlsoʊ fˈiːtʃɚd sˈɛnsɚ dɹˈɪvən kəntɹˈoʊlz tʊ ˈæktʃuːˌeɪt ðə sˈeɪlz fɔːɹ ˈɑːptɪməl θɹˈʌst.
Both sails also contained axial turbines for power generation, and with decreases in the cost of computers, also featured sensor driven controls to actuate the sails for optimal thrust.