Subscribe to our newsletter for the latest sci-tech news updates. SINTEF has now designed and manufactured new measuring equipment for model testing of contra-rotating propellers. This could be good ...

It’s a rare occasion when a piece of engineering transcends its pure industrial function and becomes art. And it’s even rarer when that metamorphosis is the byproduct of a quest for better performance ...

At the very crux of engineering is the desire to problem-solve, optimize, and squeeze out every bit of efficiency possible from the system being built. Aircraft design and aeronautical engineering ...

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 ...

South Korean researchers have developed the world's first novel propeller technology that transmits power without friction. As a core technology capable of enhancing both the efficiency and quietness ...

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 ...

MAN Diesel & Turbo optimizes the efficiency of ship propellers using cutting-edge CFD simulation methods The layout of ship propellers is a balancing act between optimal power conversion and the ...

In the world of drones, propeller choice is key to performance. Selecting the right props can have a major effect on things like flight time, vibration, and a whole host of other factors. Thinking it ...

Unique counter-rotating design to help mitigate technical risk of integrating engines on to airlifter Airbus Military has chosen a unique "handed" propeller concept for the A400M airlifter in a bid to ...