Page 40 - statbility for masters and mates
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Ship Stability for Masters and Mates
litres of paraf®n of relative density 0.6, and is ¯oating with its axis perpen- dicular to the waterline (Figure 4.6).
Note. The drum must displace a mass of water equal to the mass of the drum plus the mass of the paraf®n.
Fig. 4.6
Density of the paraffin SG 1000 kg per cu. m 600kg per cu.m
Mass of the paraffin Volume density 0:2 600 kg 120 kg
Mass of the drum 20 kg Total mass 140 kg
Therefore the drum must displace 140 kg of water.
Volume of water displaced Mass 140 cu. m
Density 1024 Volume of water displaced 0:137 cu. m
Letd draft,andr radiusofthedrum,wherer 60 30cm 0:3m. 2
