Page 133 - statbility for masters and mates

Moment about the centre line
List 121
900
w d Listing moment
to port to starboard
50 12 ± 600 50 6 ± 300
Listing moment 900 tonnes m But listing moment W G1G2
; W G1G2 900 G1G2 900
10 000 G1G2 0:09m
GG1 KG1 KG 6:456 6:400 0:056m GM KM KG 7:3 6:4
; GM 0:9 m
In the triangle G1G2M
G1M GM GG1
0:9 m 0:056 m
G1M 0:844m tany G1G2
G1M 0:09
0:844 tan y 0:1066
Ans. Maximum list 6 60
Summary
1 Always make a sketch from the given information.
2 Use a moment of weight table.
3 Use values from table to calculate the ®nal requested data.