Page 234 - statbility for masters and mates

222 Ship Stability for Masters and Mates
At 10 heel:
At 20 heel:
Fig. 22.4
GZ GM sin y 0:6 sin 10
GZ 0:104 m
GZ GM 12 BMtan2y siny
0:6 12 2:08 tan2 20 sin 20 0:6 0:138 sin 20
0:738 sin 20
GZ 0:252 m
Area under the curve 13 CI S1
1 10 0:668 3 57:3
Areaunderthecurve 0:0389metreradians Dynamical stability W Area under the curve
1845 0:0389 Ans. Dynamical stability 71:77 m tonnes