Opinion Bow Truster Effect on Ship's Headway

by Capt. Hugues Cauvier - published on 14 July 2022

When the bow thruster has been in operation for a while, pilots often notice that the ship not only turns but also gains speed. But why is this? Opinion by Capt. Hugues Cauvier.

6

Opinion A Corrected Version on Positioning of Pivot Point

by Capt. Santosha K. Nayak - published on 18 November 2020

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.

0

Opinion Scientific Fact: The ‘traditional’ understanding of the ship’s pivot point is wrong!

by Tim Cummins, Harbour Pilot, Portsmouth International Port - published on 9 July 2020

In fact, the pivot point that we “see” is a trick of the eye, it looks like the ship is rotating about this point but in fact it is elsewhere, a point that you cannot see.

Related content

Video Bow thruster effect on ship's headway 1

by Capt. Hugues Cauvier - published on 14 July 2022

What is causing the forward motion of a stopped vessel using continous bow thruster action?
by Capt. H. Cauvier

4

Video What really happened at the Suez Canal?

published on 5 July 2021

Exploring the engineering principles behind the recent obstruction of the Suez Canal, which caused a weeklong disruption in global shipping traffic.

2

Video Pivot Point Specials 2 - position for ship moving ahead or astern

published on 12 May 2022

Another worthful video by Knud Benedict, Germany

0

Article Furetank (Sweden) turns former office into advanced ship simulator training centre

published on 7 February 2023

Furetank turns a former office building into a maritime educational centre on Donsö outside Gothenburg: a state-of-the-art ship simulator complex for training, assessment and certification.

0

Video Ns345 W6D2 Ship Interactions and Bank Effects

published on 13 October 2020

Shiphandling discussion about meeting and overtaking situations in a close quarters situation where hydrodynamic effects will come into play between ships. The lecture continues and discusses Bank Effect.

0

Video How does GPS work?

published on 4 July 2019

by Casual Navigation

0

Video Safe Passage in The Singapore Strait - Eastbound

published on 11 July 2020

Safe Passage in The Singapore Strait is a training package of two videos and an Interactive computer-based learning module produced by the maritime authorities of Indonesia, Malaysia and Singapore. The aim is to improve safe navigation in the Strait. It is distributed free of charge worldwide. Copyright is with the Maritime and Port Authority of Singapore (c) 2016.

0

Video Discussion on Wind effect - drifting with no propulsion, only thrusters

published on 11 July 2020

Theory on Wind drift will be shown together with demos using SAMMON planning on the effect of thrusters to have some effect on drift speed & direction

0

Video Pilot Going from Helicopter

published on 29 April 2022

0

Article NEW PILOT BOAT DPC TOLKA ARRIVES IN DUBLIN PORT

by Marine-Pilots.com - published on 5 December 2019

Dublin Port Company has taken delivery of a new Pilot Boat, named DPC Tolka. The state-of-the art vessel arrived in Dublin Port having set sail from Great Yarmouth via Lowestoft, Dover, Gosport, Plymouth, Falmouth and Milford Haven.

0