~hours of darkness~
BRO DELIVERER (146m x 22m)
08 July 2020
All working vessels on the River Mersey gathered in front of the Three Graces – Liver Building, Cunard Building and the Port of Liverpool Building. The formation included pilot launch boats, RNLI Lifeboats, river tugs, Mersey Ferries and the Disney Magic cruise liner. They all blew their whistles in tribute to The Sovereign, who passed away last week. River tugs will perform Fleur De Lis – spraying water from their fire cannons. Vessels currently within Liverpool and Wirral dock systems,...
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.