This has the effect of reducing the power required to turn the rudder with the ship moving ahead: Some ships have a balanced rudder that is partially supported outside the hull by an extension to the keel carrying a pintle.
Le inemiphumela ekucutheni amandla afunekayo ukujika isiqhubi ngenqanawa eya phambili: Ezinye iinqanawa zinesiqhubi esilinganayo ukuba inxenye umanyano ngaphandle isiqu ngesidibaniso kwisiseko senqanawa sithwele isikhonkwane.