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Bollard pull is a conventional measure of the pulling (or towing) power of a watercraft.It is defined as the force (usually in tonnes-force or kilonewtons (kN)) exerted by a vessel under full power, on a shore-mounted bollard through a tow-line, commonly measured in a practical test (but sometimes simulated) under test conditions that include calm water, no tide, level trim, and sufficient ...
This image is a derivative work of the following images: Bollard pull idealized.jpg licensed with PD-self . 2007-12-10T14:20:47Z Himbeerkuchen 568x323 (53873 Bytes) {{Information |Description=illustration of a bollard pull trial under idealized conditions |Source=own work |Date=10 December 2007 |Author=[[user:Himbeerkuchen]] |Permission=Public Domain |other_versions=Bollard_pull_real.jpb
This image is a derivative work of the following images: File:Bollard_pull_real.jpg licensed with PD-self ... The following 2 pages use this file: Bollard pull;
A tugboat is typically rated by its engine's power output and its overall bollard pull. The largest commercial harbour tugboats in the 2000s–2010s, used for towing container ships or similar, had around 60 to 65 short tons-force (530–580 kN) of bollard pull, which is described as 15 short tons-force (130 kN) above "normal" tugboats. [5] [6]
The reference load used in the design and testing of the towing winch is twice the static bollard pull. Even if AHTS-vessels are customized for anchor-handling and towing, they can also undertake, for example, ROV ( remotely operated underwater vehicle ) services, safety/rescue services, and supply duties between mainland and offshore ...
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Figural bollard sculptures in Geelong, Victoria Ex libris bollard outside Cambridge University Library, by Harry Gray. In Geelong, Victoria, Australia, decorative bollards, sculpted and painted by Jan Mitchell, are placed around the city to enhance the landscape as a form of outdoor public sculpture. Usually they are made of timber, minimally ...
The IRS class of tugboats are a series of Bollard pull tugboats built by Hindustan Shipyard Limited, Visakhapatnam, for the Indian Navy.. INS Sahas and INS Dhiraj tugs were flagged off by Commander (retd) K.S. Subramanian, the Director (shipbuilding) and INS Himmat was flagged off by Rear Admiral (Retd) N K Mishra, NM Chairman & Managing Director of HSL.