These strangely-shaped twisted-loop propellers look like a revolutionary (sorry) advance for the aviation and marine sectors. Radically quieter than traditional propellers in both air and water, ...

If you've ever visited a World War II museum and seen some of the dummy bombs on display, you may have noticed a distinct, unusual characteristic on some of them. Some of these bombs possessed tiny ...

When it comes to seaborne propulsion, one simple layout has largely dominated over all others. You pair some kind of engine ...

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 ...

Early airplanes often flew with propellers mounted behind the pilot, pushing the aircraft forward rather than pulling it ...

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 ...

Over the past few years, labels such as DJI have pushed drones into the mainstream. If you look closely, you'll notice that a majority of them have four propellers, while helicopters have fewer of ...

Sharrow Marine, the manufacturer of the ground-breaking “ribbon” style of propellers, now aims to provide owners of larger, inboard-powered ships with improved performance. With Australian-based VEEM ...

Controllable-pitch propellers have been developed and produced on the Baltic coast of Germany since 1962 – initially in Rostock, and then in Wismar from 1964. The first units were manufactured for 86 ...