In December, Hydrex demonstrated their ability to mobilize anywhere in the world, carrying out a complex underwater propeller ...

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

Arguably there is no more important piece of the vessel’s drive train than the propeller. If propeller geometry is out of whack, either from inaccurate design or a strike in the water, the results, if ...

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 ...

Ships do not have brakes, so reversing is how you stop, and that is where propeller handedness suddenly matters. This breaks down transverse thrust, why the stern kicks to one side, and how you can ...

Considered to be the last great French merchant Ship, the Belem is an impressive three-mast Vessel reaching 34 metres (112 ft) tall and 58 metres (90 ft) long. As well as possessing an impressive 22 ...

Could the secret to transforming propeller design lie in the dimples of a golf ball? It might sound far-fetched, but the same aerodynamic principles that allow a golf ball to soar farther and faster ...