It is also possible to obtain high propulsion powers by adopting a multi-propeller installation i.e. by fitting two or three propellers side-by-side.
Ingenzeka into yokuba kufunyanwe amandla okuqhubela phambili aphezulu ngokwamkela ukufakwa komqhubi ophinda-phindiweyo, oko kukuthi ngokufaka ababini nabathathu abaqhubi macala onke okanye ngapha nangapha.