For a tanker with a draught of 14 to 15 metres it is thus possible to obtain a deadweight of 100,000 tons; with a draught of 17 to 19 metres, 200,000 tons; and with a draught of 24 to 27 metres, about 400,000 tons.
Kwinqanawa yokuthutha ipetroyile enobungakanani bokutshona kwenqanawa emanzini yeemitha ezilishumi elinesine ukuya kwishumi elinesihlanu bungafumaneka ubunzima bomthwalo wenqanawa bekhulu lewaka leetoni, elinobungakanani bokutshona kwenqanawa emanzini beshumi elinesixhenxe ukuya kwishumi elinethoba leemitha, amakhulu amabini amawaka eetoni, kwakunye nobungakanani bokutshona kweenqanawa obungamashumi amabini anesine ukuya kumashumi amabini anesixhenxe eemitha, malunga namakhulu amane amawaka eetoni.