In the first instance the much larger wetted surface of the twin hulls relative to that of a comparable single-hull ship will cause the resistance to be higher.
Ekuqaleni eyona ndawo okanye umphezulu omkhulu omanzi weziqu ezingamawele zeenqanawa ezifana okanye ezizalana nezinqanawa ezithelekiswayo esineziqu ezinye ziya kwenza uxhathiso lube phezulu.