With no hesitation I recommend the use of four-bladed propellers, which must be properly selected for your boat size, engine revolutions and horse-power.
Ngaphandle kokulibazisa ndiyiqwabela izandla into yokusetye-nziswa kweziqhubi zokutya kwemela ezine ezifuneka zikhethwe kakuhle kusenzelwa ubungakanani besikhephe sakho iimfazwe ze-iinjini kunye namandla ehashe