Larger craft, with an all-up weight of around 100 tons, require only about 25 to 35 kW per ton.
Inqwelo enkulu etshitshilizayo kunye nobukhulu bayo bubonke obumalunga nekhulu leetoni, bufuna malunga namashumi amabini anesihlanu (25) ukuya kumashumi amathathu anesihlani (kw) kuphela ngetoni.