The 3,000-ton hydrofoil ships having speeds of about 150 knots that have been envisaged by some authors are unlikely to be able to manage with a power of less than 300,000 kW.
Iitoni ezingamawaka amathathu zenqanawa enamaphiko zinesantya esimalunga nekhulu elinamashumi amahlanu omlinganiselo wesantya senqanawa ezamiselwa ngabanye ababhali azifanelanga ukuba zibe nako ukuphatha ngamandla angaphantsi kwamakhulu amathathu amawaka (300,000 kw).