No matter what you read or hear, there is still a fair bit of pseudoscience in propeller selection. Chasing the correct combination of speed and smoothness generated from a propeller can be an ...

Consider, if you will, the humble motorboat propeller. It is small - usually 3 to 20 pounds with a 9 1/2- to 16-inch diameter - and has a simple job. Its task is to keep its head underwater and turn, ...

Your propeller affects every aspect of your boat’s performance: acceleration, handling, ride, turning, fuel efficiency and top speed. The trick is finding the right prop for your boat, and the right ...