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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.
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.
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.
Contents. General particulars. Plan showing cargo spaces, storerooms and tanks. Cargo and tank capacities. Hydrostatic particulars. Tabulated KN values. Maximum KG values. Angle of Heel data. Grain: Full holds and full tween decks, Volumetric Heeling Moments (VHM).
GZ values at different degrees of heeling can be plotted to form a curve as shown below - called a GZ curve. GZ curves give a quick impression of the vessel and its stability.
GZ curve or Curve Of Statical Stability Explained. by Bijoy Chandrasekhar. 0. Curve Of Statical Stability. > It is the most common graphical representation of ships transverse statical stability. Here the graph represents righting lever (GZ) against the angle of heel.
The curve shows the stability of the ship at all heeling angles (usually up to 90°). The curve of the righting arms applies to a specific draft and weight distribution. The righting arm must be sufficiently large at each angle for the ship to right itself various conditions such as bad weather.
