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3 Ιαν 2021 · The easiest and handiest tool for analysing a surface ship’s stability, is by graphs or curves. A ship designer or an officer on-board should be able to know the stability characteristics of a ship just by looking at the curves. Let's understand curves of static stability of a vessel.
Read, interpret, and sketch a Curve of Intact Statical Stability (or Righting Arm Curve) and draw the sectional vector diagram of forces that corresponds to any point along the curve.
OVERALL STABILITY. 4.1 External Forces Acting on a Vessel. In Chapter 4 we will study five areas: The concept of a ship’s Righting Moment (RM), the chief measure of stability. KG and TCG changes and their effects on RM. How Stability is effected by Damage to the Hull using the “Added Weight” method. Effects of a “Free Surface”.
5 Απρ 2021 · The next article will discuss the basic concepts of ship stability which includes an introduction to intact stability and damaged stability, with detailed understanding of evaluation of intact stability of a ship along with various cases that affect the same.
The light ship value includes weights for spare tailshaft and stowage as given on Sheet 81B ([12821 + 29]/100 = 128.50). Add lines 28 and 29 to obtain line 30 displacement and hogging and sagging numerals for departure and arrival conditions.
9 Ιαν 2021 · A thorough knowledge on curves of intact stability can help us know and analyse real cases of instability caused in surface ships. For each case of instability, a ship designer must first know the effect it would cause on the ship.
Free guide to ship and small vessel stability. Aimed at small vessel users but suitable for professional mariners. Diagrams, text and animations explaining stability: from righting lever to movement of liquid in tanks – the free surface effect. Demonstrates adding weights to a vessel, heel and list.
