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Understanding and calculating marine displacement is essential for the design and operation of ships. This tutorial delves into the formulas and calculations associated with marine displacement, focusing on length, breadth, draft, and block coefficient.
27 sty 2019 · What I did find is three easy ways to estimate total hull resistance for displacement vessels. There is hullcalc.xls which is the easiest to get an estimate of propulsive power you need to reach a certain speed.
8 lis 2013 · You can roughly calculate you displacement by multiplying your water plane by it's hull only midship draft and employing a qualifier. Of course, this only tells you what you've drawn, not the boat's actually displacement.
2 wrz 2019 · A rough estimate of horsepower for displacement type hulls is fairly simple: 1. Maximum "hull speed", in knots, is equal to about 1.3 X the square root of the waterline length of the hull in feet.
To do this, you need to know your boat’s displacement and add it to the current weight of the boat plus any cargo or equipment on board. You then divide the total weight by the waterline length to get the average weight per inch.
14 lis 2006 · One small question: how is the hull displacement calculated? You need to know waterline length, waterline beam, and body draught amidships (just body, not total draught under the keel). Then you need the "Block coefficient" which may vary a lot depending on hull forms.
Marine Teacher. Jun 5, 2020. 11 min read. Chapter 10 - Stability Calculation. 1. On a ship of 5000 t displacement , a tank is partly full of DO of RD 0.88. If the moment of inertia of the tank about its centreline is 242m4 , find the FSC . Solution: W = 5000t, RD = 0.88, I = 242m4 FSC = (i di /W ) = (242 x 0.88 ) /5000 = 0.042m.
