Page 366 - statbility for masters and mates

354
Ship Stability for Masters and Mates
Data
Weight
No. 1 hold
No. 2 hold
No. 3 hold
No. 4 hold
No. 5 hold
Machinery
Fueloil 400t Fresh water 150 t
Item
LCG from amidships
55.0 m aft
25.5 m forward
5.5 m forward 24.0 m aft
50.0 m aft
7.5 m aft
8.0 m aft
10.0 m forward
1800 t 3200 t 1200 t 2200 t 1500 t 1500 t
Item
No. 1 hold No. 2 hold No. 3 hold No. 4 hold No. 5 hold Machinery Fuel oil Fresh water Hull
Weight LCG from amidships
Moment
99 000 81 600 6 600 52 800 75 000 11 250 3200 1500 127 500
458 450
1800 55.0 m 3200 25.5 m 1200 5.5 m 2200 24.0 m 1500 50.0 m 1500 7.5 m
400 8.0 m
150 10.0 m 5000 25.5 m
16 950
forward forward forward aft
aft
aft
aft forward
To ®nd the Still Water Bending Moment (SWBM)
Mean Weight Moment MW WF WA
2
MW 229225tm
Mean Buoyancy Moment MB W ELCB 16 950 E25 22
211875tm Still Water Bending Moment SWBM MW MB
2 458 450
229 225 211 875
SWBM 17 330 t m Hogging because MW > MB
(see page 352)