ðə ʃˈɪps hæv ɐ mˈæksɪməm spˈiːd ʌv wˌaɪl jˈuːzɪŋ ðɛɹ əlˈɪmpəs ɡˈæs tˈɜːbaɪnz æt jˈuːzɪŋ ðɛɹ tˈaɪn tˈɜːbaɪnz.
The ships have a maximum speed of  while using their Olympus gas turbines at  using their Tyne turbines.