Finding Displacement Of A Vessel

Find the displacement of a vessel if her GM is 3 feet, the weight to be shifted is 30 tons to a distance of 30 feet across her deck, the angle of list is 1° 43'.

Given:

Distance = 30 ft
   Weight = 30 tons
         List = 1° 43'
         GM = 3 ft

What is asked?

Displacement of a vessel

Solution:

Displacement = Weight × Distance  

                         Tan List × GM

Displacement = 30 tons × 30 ft    

                         Tan 1° 43' × 3 ft  

Displacement = 10,009 tons

Displacement of a vessel

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