Heesen Yachts has announced the keel laying of a 65-metre Fast Displacement motor yacht, the ceremony for which took place in shed 6 – the metalwork shop – at Heesen’s shipyard in Oss, the Netherlands. This hull, started last December and due for completion in January 2012, exhibits some interesting new techniques in the construction of its decks, bulkheads and part of the superstructure plating. Extruded aluminium plates of 300mm wide are welded together using a ‘friction-stir’ technique to form huge plates of 2,5 metres x 12 metres. In simple words the plates are welded together without adding welding material. This method, developed by NASA, has the enormous benefit of creating less heat during the welding process. The result is a large plate with uniform mechanical properties and much fairer and smoother construction. The famously high quality Heesen building process is always begun at the very first rung of construction.

When combined with sophisticated naval architecture, this improved construction technique results in a vessel that is 30% more efficient than a round-bilge motor yacht. This vessel’s advanced design combines narrow beam and a special hull form to result in a very low wave profile over the entire speed range, while also improving its sea-keeping and manoeuvrability. This provides a very positive impact on the cost of running the yacht, as well as the lowering of its environmental footprint due to lower engine emissions.

The Owner appointed the award-winning design studio, Bannenberg and Rowell to create the interior of this radical superyacht. Dickie Bannenberg comments: “To complement such a dynamic and sleek exterior design, we knew that we would have to produce an interior with the same qualities. This task gave us a rare opportunity to take advantage of the additional space provided within Heesen’s largest ever build. We have already begun concept work on the main deck saloon and dining areas and very much look forward to designing the really exciting beach club, which will be located beneath the pool. An “infinity loop” floor plan allows for neat zoning of spaces, with living and seating aft, dining forward and a free standing bar positioned opposite a fireplace, thus making dramatic design capital out of this potential ‘no-man’s land’ located midships between the engine room air ducts.” YN 16465 is due for delivery in June 2013.

NauticNews Tech Specs of Heesen Yacht 65M

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Photo Credits: Heesen Yachts – Dick Holthuis

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