Page 128 - statbility for masters and mates
P. 128
116 Ship Stability for Masters and Mates
Fig. 13.3
Load 300 tonnes fuel oil KG 0.6 m and centre of gravity 6.1 m to port of the centre line.
Discharge 50 tonnes of ballast KG 1.2 m and centre of gravity 4.6 m to port of the centre line.
Find the ®nal list.
Note. In this type of problem ®nd the ®nal KG by taking moments about the keel, and the ®nal distance of the centre of gravity from the centre line by taking moments about the centre line.
Moments about the keel
Weight
KG
Moments about keel
60 800 1525 180
62 505 60
62 445
KM 8:70m Final KG 7:35 m Final GM 1:35 m
8000 7.6 250 6.1 300 0.6
8550
50 1.2
8500
Final KG Final moment Final displacement
62 445 8500
Final KG 7:35 m
