Two mechanical sails have been installed on board Jumbo's heavy lift vessel (HLV) Jumbo Jubilee. The wind assisted ship propulsion (WASP) solution is the latest in a series of innovative technologies ...

Add Yahoo as a preferred source to see more of our stories on Google. Sharrow Marine makes a propeller based on loops that's designed to reduce noise and increase efficiency.Sharrow Marine The ...

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 ...

They can weigh up to 150 tons, and it's not uncommon for them to measure nine meters or more in diameter: the ship propellers on huge tankers, container ships and cruise liners are invisible giants.

When a ship runs its engine astern to stop, something unexpected happens, the stern swings sideways. It all comes down to ...

Hydrex diver positioning the blade cutting tool over the propeller blade. © Hydrex Severely bent propeller blade of container ship in Congo. © Hydrex In December ...

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 ...

The submarine's propeller is what moves the boat through the water, but it also serves another very important role, which is ...