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, ...

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From big boats to small, most have one thing in common - propellers. Boats move through the water with a gasoline or diesel engine that turns a propeller under the water. With the exception of ...

CEDAR FALLS — From ski boats and pleasure boats to fishing boats and pontoons, the name of the game is performance. Whether it’s hole shot, cornering or top end, how a boat responds and handles in ...