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 ...

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 ...

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 ...

It is an American helicopter manufacturing company and also manufactures military aircraftSikorsky · AircraftOf the new type helicopter "S-97 RAIDER" which the company has been developingConcept ...

WESMAR (Western Marine Electronics) of Woodinville, Wa. has announced the installation of their ABS design approved bow thruster for dynamic positioning on the 175 ft FSV Gulf Fury, the newest and ...

ZF Industries has now introduced to the North American marine markets its BW-751 reverse and reduction marine transmission for continuous-duty, single- or twin-screw propulsion applications. The new ...