Volvo Penta was first to come out with a sterndrive with a single boat propeller in 1959 and they were first with a sterndrive that has two counter rotating boat propellers on a single prop shaft in 1982. The advantages of a sterndrive with two boat props are much less slippage that gives a better bite on the water, improved low speed steering...
Read MoreThe First Mercruiser Sterndrive
When Volvo Penta’s sterndrive became an instant success at the January 1959 New York boat show, Mercury came out with their own sterndrive as fast as they could and called it Mercruiser. Improving on Volvo Penta’s design and using non thru hub exhaust boat propellers Mercruiser soon became the dominate leader in sales. Mercury was the second...
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