Video

Spiral-Test -Manoeuvre for detailed identification of Yaw Stability using Samples of Cruise Ship

published on 29 September 2021 - 92 -

Show comment section |

Found on YouTube. Created by "ISSIMS - Innovative Ship Simulation". Originally published on 2021-09-01.

This video shows an introduction on the Spiral-Test-Manoeuvre and describes the procedure how to steer through this manoeuvre and measure the data needed. The results will be displayed in a characteristic diagram allowing to identify stable and unstable conditions and related, detailed information, e.g. spiral loop width and height, rudder angle of neutral effect. Samples of stable and unstable ship behaviour demonstrations will be shown by Fast Time Simulation using the SAMMON Planning tool. Finally, a discussion of of ship’s hull form with loading conditions and elements like appendages completes the overview on effects of Yawing stability.
The next videos to follow will demonstrate other manoeuvres (e.g. Pull-out Test and Zig-Zag Test) which are also helpful to identify and discuss the stability condition for ships and the different aspects contributing to yaw stability.

ISSIMS GmbH
Innovative Ship Simulation And Maritime Systems

What's your opinion on this?

Video How Ship Anchor Works? - Procedure For Anchoring a Ship at Sea

published on 11 July 2020

#Anchor #shipanchor #windlass Anchoring is one of the very frequent operations onboard ships. A number of variables and external factors influence the duration and location of an anchoring operation. While the type of seabed is of utmost importance during anchoring, soft muddy grounds or clay bottoms are best preferred. It should be taken care that the anchoring bottom is free of power lines, submarine cables, pipelines or rocks. Various methods on anchoring include consideration of...

Video Critical Ship navigation done with perfection

published on 31 January 2022

Video How port pilot sail out ship from the port? Grimaldi lines catania roro ship

published on 22 April 2022

In this video I will show you Grimaldi Lines Catania RoRo Ship

Article Finnish-Singaporean Maritime Innovation camp explored new ideas from the contrast between pilotage operations of both countries

published on 20 January 2023

In December 2022, a week-long innovation camp was organized in Turku Finland, in which 16 students from the University of Turku, Novia University of Applied Sciences and five different universities in Singapore participated. Pilotage operators Finnpilot from Finland and PSA Marine from Singapore acted as industry partners.

Article GPS (Part 1) - Structure, mode of operation, technical and physical fundamentals of GPS

by Capt. Gunter Schütze, Thailand/Germany - published on 30 January 2020

Of course, as a Nautical Specialist, I also deal with the international discussion on the advantages and disadvantages of satellite-based navigation, e-navigation and conventional terrestrial and astronomical navigation.

Article Combinations Ladders: "1,000 combinations around" (by Arie Palmers)

by Arie Palmers, Netherlands - published on 13 July 2020

Before you, you see my third article on pilot boarding arrangements. After my two previous articles
(‘1000 ways to secure a pilot ladder’ and ‘1000 ladders around’, I have received a lot of feedback and
also questions to get deeper into the matter of combinations and embarkation platforms.

Article Safe working with harbour cranes

by American Harbor & Docking Pilots Association - published on 24 August 2022

To minimize the risk of a vessel allision with a terminal gantry crane, the American Harbor and Docking Pilots Association recommends that all terminal operators with gantry cranes adopt the following Best Practices.

Video Wind drift making headway - practical experiments for getting useful data for planning

published on 30 May 2022

Another great education video by Knud Benedict (Germany): Practical experiments for getting useful data for planning.

Video Education: Effect of Drift Force and unstable moment

published on 20 June 2024

SAMMON Lecturing Video describing
"Effect of Drift Force and unstable moment"
-------------------------------------------------------------
SAMMON - the IDEAL tool to identify manoeuvring capabilities of a ship - SAMMON - learning the EFFECTIVE way

Article Progress on the Autonomous Project “The AUTOPLAN” by UZMAR

published on 21 September 2020

The AUTOPLAN (Automatic Navigation Assistance System for Planing and Semi-planing Crafts) project kick-off meeting was held on 10th September 2020 with the participation of the project partners and the consultants: Uzmar Shipyard (Project Coordinator-Turkey), Technical University of Berlin (Germany), Friendship Systems AG (Germany), OES-Offshore Engineering Solutions Inc. (Turkey), Mersin University (Consultant-Turkey), SVA Potsdam (Germany) and Piri Reis University (Consultant-Turkey).