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Dutch Coupling Gives Barge Trains A Push
01 Jul 2004
Push convoys and barge trains have great problems with strong winds and waves on open waters such as the Markermeer, IJsselmeer and Westerschelde. Over the past two years, Holland's Van der Velden Marine Systems, working in close cooperation with TNO and Alkyon, has developed a new type of coupling device that will enable push convoys and barge trains to continue sailing on open water is such weather conditions. First tests with the new system have been successful, with it proving to be exceptionally effective even at Beaufort scale six or seven.
The system consists of a hydraulically operated arm, kept under pressure using an accumulator in order that no power source is required during sailing. The arm also simplifies the coupling process.
Van der Velden's R&D project manager Chris Maat said, 'The correct tuning of the hydraulics and the choice of rubber are key aspects of the design. Alkyon's models and the measurements of TNO have been very helpful with the development of this innovative coupling device.'
This new patented system improves the competitive position of push convoys and barge trains in comparison to single vessels and makes it possible for them to sail during extreme weather conditions, even on large open stretches of water.
MJ Information No: 19636
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