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.
Another very good explanatory video by Knud Benedict. Absolutely worth seeing.
Yaw Stability is an important element of Ships Manoeuvrability - both for course keeping and turning ability. This first video in a series explains the Basic Principles of stability in steady state equilibrium conditions and the forces / moments involved
Vessel's details: IMO: 9496915 Name: POLARIS Vessel Type - Generic: Pilot Vessel Vessel Type - Detailed: Special Vessel Status: Active MMSI: 245142000 Call Sign: PBZN Flag: Netherlands [NL] Gross Tonnage: 2501 Summer DWT: 890 t Length Overall x Breadth Extreme: 81.2 x 13.3 m Year Built: 2012 Home Port: ROTTERDAM Geo location: 51.980840, 4.112364