Month: January 2016

Most asked questions about boat propeller

Denis and Kevin

What is the difference between a 3 blade propeller and a 4 blade propeller? What is pitch? What do the numbers mean 15×17 ? Does materiel matter ? Stainless? composite? aluminum ? bronze ? Nibral ? What is RPM at WOT? What is the best hub design ? What does cupping do ? Should I… Read more »