QUESTION: I’m going to buy a new twin-engine boat. What can you tell me about counter-rotation outboards? ANSWER: Counter-rotation outboards turn their propellers in opposite directions. The starboard ...

Over three years ago, Suzuki broke new ground in outboards when it introduced its DF350A, which featured contra-rotating propellers seen previously in sterndrive applications. The dual-prop setup ...

Sharrow's extraordinary looped propellers were already some 30% more efficient than traditional designs – and now the company has put two of them together into a coaxial, contra-rotating prop that ...

Technology is evolving so dramatically that the products on display at this year’s boat show compared with the items of a few years ago are as different as today’s boats are from the ones sailed by ...

With the variety of stern-drive units available from MerCruiser, it is getting difficult to decide which unit works best and in what applications. The Bravo Three is a twin, counter-rotating prop ...

There are few companies that produce a product or service that truly innovates in the realm of recreational boating. To be fair, powerboating is a mature activity, almost 200 years old. By now, it’s ...

As lightweight, power-dense axial-flux electric motor topology shows its ability to be a dominant force in the auto market, and flashes early signs of inherent superiority for the skies, it's also ...