digest ferry
equipment & technology New Austal fast ferries get equipment fit-out
L’Express des Iles’s Austal- built Perle Express and Liberty were both fitted with a pair of ZF 7650 NR2H transmissions, driving Kamewa SIII waterjets. The recently delivered 47m catamarans can reach speeds up to 34 knots. Evacuation equipment on
both vessels comprises Survitec Zodiac escape slides. Four small inflatable slides (SIS) were installed on Liberty. The 3.2m SIS provides passengers with rapid access to four open, reversible 151-person liferafts. Perle Express was fitted with three SISs, three 151-person liferafts and one 100-person liferaft.
Survitec Zodiac escape slides being tested on Liberty
Expedition cruise ship employs advanced navigation technology Wesmar’s new digital stabilised searchlight sonar has been installed on Lindblad Expedition’s National Geographic Explorer (ex Midnatsol, built in 1982 for Hurtigruten). The 850 series high resolution sonar can detect underwater hazards around the vessel and near the surface.
The vessel’s captain, Leif Skog, commented, “The system is our underwater radar.” The 112m expedition cruise ship is ice strengthened and can accommodate 148 passengers. National Geographic
Explorer was also fitted with Adveto’s Ecdis 4000 system.
Princess Cruises opts for trim measurement program
Knud E Hansen USA has delivered computational fluid dynamics (CFD) software to Princess Cruises’ grand class vessels to enable trim management. As part of an ongoing co-operation with Onboard Napa Ltd, Knud E Hansen USA provided the CFD analysis to cover a large range of trim, draught and speed conditions to be
88 I Passenger Ship Technology I Spring 2012
used within the Onboard Napa loading computer Optifloat module. The software can be used to maximise fuel savings by reducing the required power through pre-planning operations. It advises crew to adjust the trim and draught to enable the most favourable resistance based on a vessel’s speed.
The navigation equipment company’s distributor, GPS Marinkonsult of Sweden, secured the order following an extensive test and evaluation programme. The system can download Primar charts and navigation chart updates directly from the Internet.
Viking Line ferry to manage energy use ABB will supply an energy management system for Viking Line’s new LNG cruiseferry, which is due for delivery from STX’s Turku yard in Finland in 2013. The energy management system for marine applications software (EMMA) is part of ABB’s marine automation and control offering. It will help to manage energy-related processes, practices and decisions on the ›››
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