23 November 2021
Port Ash Australia: Ship Handling Training & Research Centre
By A. Beazley, Port Ash, Australia
The Bollard Pull value, which can be interpreted as the maximum thrust that is developed for a specific amount of time by the propulsion systems of any vessel to the fullest , when it has zero speed in the forward direction, is the criterion that allows us to understand how suitable a tugboat is for a port maneuver or a towing operation.
Understanding the fundamentals of the pivot point is highly required for understanding the alteration of the courses. Pivot point is an imaginary point on the vessel which turns on a circular path on the perimeter of vessel’s turning circle when the vessel makes a turn. The knowledge about the position of the pivot point in a manoeuvring situation provides the ship handler with the information on the geometry of motion of the ship.
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The Port of Townsville, northern Australia’s largest multi-cargo port, is expanding its fleet of pilot boats to four.
The Port has awarded Hart Marine a $3 million contract to build a 17.3m ORC vessel that is due for delivery later in 2020. The new high-tech vessel will be slightly longer but have the same design features as the PV Osprey which was delivered by Hart Marine in late 2017.