For example, the propeller for a 24,000 kW propulsion plant on a 250,000-ton tanker already has a diameter of 9.4 metres, and it weighs nearly 60 tons.
Umzekelo, umqhubi wamashumi amabini anesine samawaka eekilowadzi zomashini oqhubela phambili kumakhalu amabini anamashumi amehlanu amawaka omlinganiselo wesantya senqonawa yakuthutha ipetroyile sele inesinqumla sangqa sethoba elinesiqingatha sesikwere seemitha, kwaye inobunzima obumalunga namashumi amathandathu omlinganiselo wesantya senqanawa.