They were powered by two Parsons geared steam turbines, each driving one propeller shaft, using steam provided by two Admiralty three-drum boilers.
ðeɪ wɜː pˈaʊɚd baɪ tˈuː pˈɑːɹsənz ɡˈɪɹd stˈiːm tˈɜːbaɪnz, ˈiːtʃ dɹˈaɪvɪŋ wˈʌn pɹəpˈɛlɚ ʃˈæft, jˈuːzɪŋ stˈiːm pɹəvˈaɪdᵻd baɪ tˈuː ˈædmɚɹəlɾi θɹˈiːdɹˈʌm bˈɔɪlɚz.