Formulas Flashcards
(28 cards)
1
Q
RM=
A
Displacement x GZ
2
Q
GG’=
A
WxD / displacement
3
Q
KG=
A
Total moments ÷final displacement
4
Q
Theory of moments formula
A
KG = total moments ÷final displacement
5
Q
KM =
A
BM + KB
6
Q
BM=
A
I/V
7
Q
Ship I =
A
L x Bcubed x k
8
Q
Barge I =
A
L x B cubed / 12
9
Q
P=
A
AWP/ L x B
10
Q
AWP=
A
TPI x 420
11
Q
AWP metric=
A
TPC x 100 / 1.025
12
Q
Ship V=
A
Displacement x 35
13
Q
V metric =
A
Displacement / 1.025
14
Q
Barge V=
A
L x B x D
15
Q
barge KB=
A
1/2 draft
16
Q
Ship KB =
A
.53 x draft
17
Q
TPI =
A
L x B x P / 420
18
Q
GM=
A
W x D / disp x tan theta
19
Q
Tan theta =
A
W x D / disp x GM
20
Q
Moment to heel 1”
A
W x D = tan 1 x disp x GM
21
Q
W =
A
GM x tan theta x disp / distance
22
Q
D=
A
GM x tan theta x disp / w
23
Q
Tan theta =
A
Opp/adj
24
Q
Angle of loll
Neg GM =
A
Tan theta sq x BM / 2
25
Angle of loll
| Tan theta =
Square root of GM / BM
26
Angle of loll
| Tan theta sq =
2 x GM / BM
27
Angle of loll
| BM=
KM-KB
28
Angle of loll
| GM =
KM-KG
