Minimum
distance between the units as well as between the
side and the units are 500 mm The tug beam should
be designed to allow the required units to be installed
accordingly.
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Distance between the
Propulsor Units
In order to improve the overall performance, especially
the manoeuvrability of the tug, the unit should be
installed as far from each other as possible. Minimum
recommended distance between the units is the unit
turning diameter + 500 mm.
It
is also recommended that the distance from the vessel
side to the unit centre is more than ½ unit turning
diameter + 500 mm, in order to prevent the units from
touching jetties or assisted vessels even when heeling.
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