Friday, January 19, 2018
Crystal Blue

Rolls-Royce has unveiled a groundbreaking luxury yacht concept designed to showcase the advantages of advanced ship intelligence solutions, and hybrid propulsion based on LNG fuel and battery power.

The yacht Crystal Blue, and its attendant support vessel Blue Shadow, have been developed to enable new thinking in yacht design, and optimise the yacht’s superstructure for greater guest use and comfort. Designed specifi cally to show how new technology can meet the yacht sector’s increasing demand for higher performance and greater operating ranges, Crystal Blue features greater levels of guest comfort, without impacting the environment.

One of the many novel features is the use of an intelligent dynamic positioning system which automatically controls twin azimuthing thrusters and a TT1100 bow thruster – technology that is usually found on offshore support vessels that must maintain their positions next to oil rigs to within a couple of metres. On board Crystal Blue, however, this system allows the yacht to remain in the right spot on the water – without using an anchor – and ‘follow the sun’ across the sky to ensure sunbathers can enjoy the “optimum tanning angle” while lounging on deck.

At fi rst glance, it seems Rolls-Royce has forgotten to include a bridge in the design but, it has been placed right forward so as to optimise the view from the owners stateroom.

The ship intelligence and remote control concepts have enabled Rolls Royce to design a yacht for the future that has the bridge located below the bow, inside the vessel. The crew is able to monitor and control the vessel using sophisticated sensors, cameras, display screens and situational awareness technologies; but an internal bridge frees up the traditional area of the bridge in the forward part of the superstructure to let owners and guests enjoy a panoramic vista that is traditionally only enjoyed by the crew.”

The bridge console is based on the Unifi ed Bridge design that Rolls- Royce has already delivered to a number of ship types, including large superyachts. It also features technology Rolls-Royce and Svitzer demonstrated in the first remote controlled commercial tug earlier this year. The Rolls-Royce Blue Ocean team has also incorporated some novel safety features, namely a ‘safe room’; a citadel in which guests and crew can seek refuge in the event of an unauthorised boarding. Once inside, the crew can override the controls and operate the yacht remotely or direct a shore-based centre to pilot the vessel.

Designed for 12+ passengers and 12 crew, the 62 metre Crystal Blue is based on a composite or aluminium hull operating a power plant based on the Rolls-Royce hybrid LNG/battery SAVe-CUBE system configuration. The machinery consists of twin LNG-fuelled 16V4000 MTU M65-N generator sets working in parallel with a battery bank to provide 1MWh of genset-free power during port stays. Two low-weight carbon Azipull thrusters provide propulsive power to achieve maximum service speeds of 20 knots.

Although LNG fuel is increasingly specified for commercial vessels, particularly coastal ferries, the size of the fuel tanks and a lack of LNG bunkering infrastructure has been a major barrier to the yacht sector embracing the cleaner, odourless fuel. This is where Blue Shadow comes in. Operating in convoy, Blue Shadow is a smaller 42 metre, remotely-controlled, steel-hulled support vessel used for transporting and launching the mothership’s tender, helicopter and any other ‘toys’ that the yacht owner may have. It also allows designers to make better use of the aft area of Crystal Blue for guests, such as by including an infinity pool, or a beach area. The shadow boat also doubles up as the owner’s personal LNG bunkering barge.

More on this and other news in Sea Breezes Magazine - January 2018 Issue
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