cruise ship profile Viking Njord
Viking Njord has French balconies on one side and full balconies on the other
driven from the common network, for example the two aft engines can be used to drive the forward units and vice versa, so that practically every combination is possible. The electric power network also runs the hotel services, galley and the Drew Marine heating, ventilation and air conditioning system. Power from the diesels is supplemented by solar panels fitted on the sides of the sun deck generating about 6kW to 8kW a day and fed into the common electric network. Mr Laade commented that when moored in port, it can be beneficial to use the forward engines at night as they are forward of the public spaces and have a minimal noise and vibration impact.
Steering these long, narrow vessels needs an experienced helmsman but the Schottel 360 degree azimuth propulsion systems together with the two Schottel pumpjets forward make handling the vessel easier.
The dimension constraints mean that available space is always an issue when fitting all the necessary installations on board. Comparing river- with ocean-going vessels, Mr Laade said, “There are more or less the same systems on board but on a river vessel there is much more space constraint due to the very limited deck heights reasoned by the design criteria.”
CAD/CAM was used during the design phase and tank tests were carried out for testing the hull lines for speed. “The hull is totally different to Viking Prestige because the forward Aquavit terrace covers the whole width of the vessel and gives a totally different bow shape. We have now more public areas on deck, contributing very much to the comfort of our guests.” Viking Njord’s minimum air draught is 6.1m. The bridge can be lowered and is equipped with all the required equipment, such as radars (Swiss Radar), autopilot and digital charts.
26 I Passenger Ship Technology I Spring 2012 Fifty tons per day of potable water is produced
directly from river water using a reverse osmosis plant and a de-contamination plant from Leyco Wassertechnik. Black and grey water is treated by a Martin Systems biological treatment plant, which has a maximum capacity of 77.5m3 per day. The ballast tanks have a capacity of about 595m3. They are adjusted as required to different air draughts. The ship is equipped with a Minimax fire detection and a fire extinguishing system by means of a sprinkler system covering all cabins and public spaces. In order to save energy a combination of halogen lights and LED is used. Entrance to the vessel is controlled by RFID-cards from Vingcard so that unpermitted entering is registered. Although it is not designed to be sea going,
Viking Njord underwent sea trials in the Baltic in mid-January. Mr Laade says however that such trials only take place during benign weather conditions and low sea states. PST
There are more public areas on deck compared to previous Viking vessels
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