Outboard motors and sterndrives primarily use three blade and four blade boat propellers both in aluminum and stainless steel. Some of the real small outboards use two bladed props and some composite propellers have five blades, Mercury has a stainless steel five blade prop. But by far most boats have a three or four blade boat props. Three blade Boat...
Read MoreFour, Five and Three Blade Boat Propellers
Most boaters have a three blade prop on their motor. They are the most common props for a few reasons. Their performance is all around good. Good take off from a standing start, hold well enough in turns and in most cases you get the fastest speed out of your boat. They cost less than the four and five blade props and they cost less to repair if you need...
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