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SCHOTTEL PROPELS FISH TRANSPORT SHIPS

Thursday, May 7, 2020 

Sefine shipyard in Turkey has recently delivered 'Aqua Skils°y', third of a total of six live fish carriers, to DESS Aquaculture Shipping in Grimstad, Norway.

Each of the Salt Ship design vessels is equipped with propulsion solutions from Schottel, comprising rudderpropellers and transverse thrusters both featuring the company's Leacon sealing system. All six fish carriers, each with a hold capacity of 3,900m³, will be assigned to long-term contracts for Mowi.

Henrik Andre Larsen, Project & Development Manager, DESS Aquaculture Shipping, said: "The manoeuvrability of the vessels is one of our major requirements. This is especially important in the narrow fjords of Norway and small passages close to the fish cages. In order to be environmentally friendly, we also have to ensure that no oil escapes into the seawater. All in all, the systems from Schottel optimally meet our demands."

The 84.4m long and 16m wide vessels are each powered by a diesel-electric propulsion system, with two Schottel Rudderpropellers type SRP 360 FP (1,400kW each) of propeller diameter 2.2m and two Schottel Transverse Thrusters type STT 1 CP (400kW each). This combination is intended to provide optimum propulsion efficiency and maximum manoeuvrability.

The ships are equipped with the patented, DNV-GL type-approved Schottel Leacon sealing system. By means of separate seals on both the seawater and gearbox sides, this system ensures that, in the event of leakage, any seawater entering the system or any gear oil escaping from the system is collected in an intermediate chamber. This prevents water from entering the gearbox and, more importantly, oil from escaping into the seawater.

Hygiene, quality and environmental aspects have been thoroughly considered and incorporated into the design of the live fish carriers. Accordingly, Aqua Skilsøy features both an automated cleaning system and an ozone disinfection system and is set up for reverse osmosis and mechanical treatment. The series is set to be completed by April 2021.

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