Awesome alliance

Rosetti Superyachts unveils details of its new 85-metre Expedition Supply Vessel concept developed in collaboration with Rolls-Royce Marine.

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Following the announcement that Rosetti Superyachts SpA will start building large custom yachts at San Vitale shipyard in Italy, the new company has released details of its 85-metre expedition supply vessel concept designed by Tommaso Spadolini.

“This is the most ‘authentic’ yacht I’ve designed in my 40-year career,” says the Italian designer. “A fundamental part of the design process was reviewing the many commercial ships launched by Rosetti to date. These rugged, seaworthy vessels are required to operate around the clock in all weather, and that same DNA has been integrated into the design of the 85 expedition concept.”

“Another key consideration was that the project had to be buildable following design-to-market and design-to-service criteria,” says Fulvio Dodich, Chairman of Rosetti Superyachts. “I’ve known Tommaso for over 20 years and we worked together to develop a design that combines his creativity with my knowledge of the needs of the market, while also meeting the technical criteria required by Class for unrestricted navigation.”

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The concept is available in two versions with a fully certified helipad located amidships or aft, depending on client preference. Both configurations are rated at approximately 2,200GT and can carry large tenders on deck, but the aft helipad offers several practical advantages. A sailing yacht, for example, can be stowed amidships without adversely affecting helicopter operations. With minimal modifications to the design, the spacious salon under the helipad can also be replaced with a dedicated helicopter hangar.

“Despite the abundance of exterior space, we arrived at a general arrangement that makes optimal use of the interior volume of the forward superstructure,” says Spadolini of the five-deck layout. The lower deck comprises the galley, crew mess and lounge, and accommodation for 12 crew. The main deck houses four double guest cabins with en-suite bathrooms, plus additional crew accommodation. The full-beam owner’s deck features an open-plan suite forward, His & Her bathrooms, walk-in wardrobe, and aft dining room. The upper deck forward is also dedicated to the owner’s use with a private lounge, study and access to the open foredeck with pool. Another salon aft serves as a media room or sky lounge.

The bridge deck provides maximum visibility, while the open-under lower deck with access tothe engine room comprising workshop, laundry, cold/freezer room, dry store, linen store, garbage room and other technical areas. Spadolini’s exterior styling is suitably masculine and robust, but his signature strip glazing adds a touch of superyacht elegance to the otherwise purposeful design in line with an expedition yacht or shadow vessel. As a full-custom project, owners can bring in their own interior designers, although Spadolini has developed an interior proposal that he describes as “contemporary and comfortable but not lavish.”

Large tenders are fundamental for expedition use and the portside garage on the lower deck has space for two tenders, plus various Personal Water Craft. To starboard there is a massage parlour, sauna, dressing room and bathroom connected by a corridor to the huge beach club aft with gym and fold-down platforms on both sides.

The hull form has been developed by the naval architects at Rolls-Royce Marine in Norway for optimal efficiency and seaworthiness even in heavy weather.

Special attention was focused on ensuring ‘dry’ cruising with a narrow entry, distinctive bow flair to reduce sea spray and a high main deck forward that is 12.5 metres above the waterline. Rosetti Superyachts further chose Rolls-Royce as the supplier for an integrated solution including engineering and equipment as the engines, power electric system and propulsion units.

The initial proposal is for diesel-electric propulsion using four MTU 16V 4000 series engines (MTU is part of the Rolls-Royce Group) as diesel generators combined with Azipull by Rolls-Royce for a maximum speed of 20 knots and a cruising speed of 15 knots. In addition to low drag and high hydrodynamic efficiency, the azimuthing pulling propellers provide excellent manoeuvrability, fuel efficiency, course keeping, and low noise and vibration levels. To contain costs, owners can choose between a fully faired hull and superstructure, or a commercial-grade paint finish. The 85 metre is the largest in the new range of concepts proposed by Rosetti Superyachts designed by Tommaso Spadolini.

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