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Thursday, July 16, 2020 

A Norwegian bulk cargo vessel named 'Kryssholm' is soon to take on new assignments thanks to a customised upgrade by the Schottel Modernisation and Conversion Team.

The company points out that a comparatively small installation effort will yield considerable advantages, such as increased manoeuvrability and lower environmental impact.

Nils Tore Øpstad Melingen, GM vessel owner Bio Feeder, said: "Schottel, with whom we have a long-standing and consistently good partnership, has again convinced us by finding an individual, custom-fit solution for the vessel. We are absolutely satisfied with the performance of the Schottel thrusters in our other vessel and thus decided the same way again. A decisive factor was also the spare parts and service supply – with Schottel as OEM, this is reliably secured in the long term.”

Two SRP 130 R retractable rudder propellers, each of 300kW, and two 450kW STT1 transverse thrusters will be installed in addition to the existing main propulsion system of the vessel. This will maximise its manoeuvrability capabilities and its position keeping will be improved. In turn, this will extend the vessel’s operation profiles so that it can be used for a wider variety of future tasks.

To reduce the environmental impact, the Schottel propulsion units will be driven by electric motors powered by a hybrid grid of batteries and generators. By equipping the vessel with an up to date power management system, the required electric power can be provided on demand according to operational needs.

Kryssholm, built in 2011, measures an 89.9m length and 13.6m width, and will be operated by Biomar for fish feed transportation six months a year; the rest of the time it is charted to Wagle Chartering for general cargo carrying. It is considered to be the largest fish feed vessel in the world, boasting a cargo capacity of more than 3,000t. In future years, it will be able to supply most of the coastal and ocean-based fish farms with feed.

Beyond the special task of supplying fish feed, Kryssholm will still be able to provide sustainable and efficient general cargo service. As the owner states, the vessel is the first in the world that is fit for such a hybrid operation. It sails under the Norwegian flag and will be classified by RINa.

Pino Spadafora, Marine Commercial Senior Director, RINa said: “Companies that have a deep knowledge of technology must use it for the never-ending improvement of the shipping industry. That’s why it’s important for us to be partners with Bio Feeder and Schottel in this project. RINa will carry out the review of the proposed solutions, the approval of the design, the certification of the components and the commissioning on board, applying the expertise in energy optimisation and the competence in environmentally sustainable applications.”

The vessel is scheduled to be completed in the first quarter of 2021.


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