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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.
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.
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.
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).
The illustration below shows 3 GZ curves for 3 different types of vessels. Curve 1 is for a traditional deck vessel. The curve peaks at approx. 25 degrees and ex-tends to approx. 70 degrees. Curve 2 is a wide flat-bottomed vessel. The curve is initially steeper than curve 1. This means that the vessel is more rigid - it
Stability can exist when a vessel is rolling or trimming – it is the ability to remain in stable equilibrium or otherwise. Hence there is a link between Ship Stability and Ship Motion. Stability can also exist in ship structures via the strength of the material from which they are built. A material may be
1 Calculate the displacement (Δ) of the ship. 2 Calculate the LCF, LCB, LCG, and KG of the ship. 3 If all compartments (No.1~No.5 for port and starboard, total 10 cargo holds) are fully loaded, with a load whose density is 0.6ton/m3, calculate the deadweight (DWT) and lightweight (LWT).
