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extremely low repair frequencies
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mechanical system completly greas lubricated
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mechanichal system including overload protection
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optimal protection of the mechanical system against all conditions
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high manoeverability of the vessel due to less rudder movement
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seldom repairs
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especially usefull for vessels that have to work in either ice or dirtywater conditions
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easy repairs
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high manoeverability of the vessel due to less rudder movement
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mechanical system as well as flap bearings completly seawater lubricated.
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easy repairs
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no mechanical wear parts on the rudder blade itself
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easy mounting / dismounting