Page 49 - statbility for masters and mates
P. 49

Effect of density on draft and displacement 37
Fig. 5.3
distance by which `S' can be submerged, called the Dock Water Allowance, is found in practice by simple proportion as follows:
Then or
Let x   The Dock Water Allowance Let rDW   Density of the dock water
xmm   1025 rDW FWAmm 1025 1000
Dock Water Allowance   FWA  1025   rDW  25
Example 3
Ashipisloadingindockwaterofdensity1010kgpercu:m.FWA 150mm. Find the change in draft on entering salt water.
Fig. 5.4


































































































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