Page 92 - statbility for masters and mates

80 Ship Stability for Masters and Mates
In this case the volume of displacement between the waterline (WL) and the water-plane XY could be found by use of Simpson's Rules and then the volume of the appendage found by means of a second calculation.
Fig. 10.9
Example
A ship's breadths, at 9 m intervals commencing from forward are as follows:
0, 7.6, 8.7, 9.2, 9.5, 9.4, and 8.5 metres respectively.
Abaft the last ordinate is an appendage of 50 sq m. Find the total area of the water-plane.
Fig. 10.10
Ord. SM Product for area
010 7.6 4 30.4 8.7 2 17.4 9.2 4 36.8 9.5 2 19.0 9.4 4 37.6 8.5 1 8.5
149.7 S1