... at 36
34
1
2
H
to the 5 N force.
Note. Notice that each of the component forces and the resultant all act
towards the point A.
2 Ship Stability for Masters and Mates
Fig. 1.1
<>
>>
EE
E
E
E
E
))
)
)
... subject and will prove a ready and
handy reference for those persons responsible for the stability of ships. I
trust that this book, which is printed to...
... Âx.
4 Ship Stability for Masters and Mates
Fig. 1 .5
Fig. 1. 6
Fig. 1. 7
Ship Stability for
Masters and Mates
Fifth edition
Captain D. R. Derrett
Revised by Dr C. B. Barrass
OXFORD AUCKLAND BOSTON ... 55
9 Form coefđcients 61
10 Simpson's Rules for areas and centroids 68
11 Final KG 94
12 Calculating KB, BM and metacentric diagrams 99
13 List 11...
... be
discharged đrst and why?
42 Ship Stability for Masters and Mates
12 A ship& apos;s light displacement is 3 450 tonnes and she has on board 800
tonnes of bunkers. She loads 7 25 0 tonnes of cargo, 25 0 tonnes ... 0 .2 m
2 75 tonnes
Difference to change the draft 1 cm
2 75
20
tonnes
; TPC 13X 75 tonnes
(f) Load draft 5. 5 m Displacement 6060 tonnes
Present dr...
... estimate the GM for this condition of loading. What
state of equilibrium is the ship in?
Draft (m) 3 4 5 6 7 8
KM (m) 6. 75 5. 94 5. 64 5. 62 5. 75 5.96
112 Ship Stability for Masters and Mates
Fig. 12.6(b). ... 0. 056 m above the original KG of 6 .4 m.
120 Ship Stability for Masters and Mates
Fig. 13.7
Weight KG Moment
9900 6 .4 63 360
50 9.0 45 0...
... 18 45 Â0X0389
Ans.
Dynamical stability 71 X 77 m tonnes
222 Ship Stability for Masters and Mates
Fig. 22.4
202 Ship Stability for Masters and Mates
Exercise 20
1 A ship of 10 000 tonnes displacement ... d
1
 1X0 25 tonnes
75 Â10 Â 4X5 Â 1X0 25
W 3 459 tonnes
BM
L
I
L
aV
BL
3
2
12V
10 Â 70
3
12 Â 75 Â 10 Â4X5
BM
L
84X7 metres
MCTC 9
W Â BM
L...
... A
"
X
2
260 Ship Stability for Masters and Mates
1
2
ord.
1
2
ord.
3
S.M. Products for I
CL
00 1 0
1.2 1.7 28 4 6.912
1 .5 3.3 75 2 6. 750
1 .8 5. 83 2 4 23.3 28
1 .8 5. 83 2 2 11.664
1 .5 3.3 75 4 13 .50 0
1.2 1.7 28 ... the ship is heeled to a small angle (y
)
Method (a)
Righting moment W ÂGM
1
 sin y
6000 Â1X4 25 Â sin y
85 5 0 Â sin y
to...
... for Masters and Mates
I
OZ
I
CL
À AEBB
2
1
397 9 À477X5 Â0X12
2
397 9 À7
397 2 m
4
(d) To Find GM
BM
2
I
OZ
V
BM
2
397 2
50 Â10 Â4
; BM
2
1X 99 m
KB
2
2X10 m
KM
2
4X 09 m
À
as before ... 051
9 95 0
Let
K
2
New K
487 051
9 95 0
r
K
2
7m
Let
T
2
New T
2pK
2
gEGM
2
p
T
2
2p7
9X81 Â0X57
p
Ans...
... manoeuvre.
304 Ship Stability for Masters and Mates
Fig. 35. 1. Deadweight Scale
Bending moment at 4 m from A 4 Â 10 Â 2 À80 Â 1
0
Bending moment at 5 m from A 5 Â 10 Â
5
2
À 80 Â2
35 kg m (positive)
Bending ... l).
332 Ship Stability for Masters and Mates
W Â l
Fig. 40.7
Fig. 40.8
Change of Trim 5 cm by the stern
0X 05 m by the stern
Draft...
... Â0X0 15 0X 15 3 0. 45 3 1. 35
2nd Deck 10 Â0X0 15 0X 15 1 0. 15 1 0. 15
Tank Top 10 Â0X0 15 0X 15 À 2 À 0.30 À 2 0.60
Bottom Shell 10 Â0X0 15 0X 15 À 3 À 0. 45 À 3 1. 35
Sideshell 2 Â6 Â 0X0 15 0X18 ... x':
Ay 17X 25 cm
2
b
1
2
cm
q
b
30 Â 17X 25
254 Â 0X5
4X07 t/cm
2
(c) At 3 cm from Neutral Axis
m 17X 25 2X5 Â 0X5Â4X 25
22X56 cm
3
Ay
b
1...
... immersion
(TPC) 26, 55
curves 55 ±7
in dock water 26
Total Bending Moment (TBM) 355
Total pressure see thrust
Total thrust 266
Transverse stability formulae 382
Transverse statical stability
formulae 382±3
Triangular-shaped ... 432±3
Five/eight rule 72, 76-7
Force of buoyancy 22
Forces 14
Form coefđcients formulae 380
Free surface effect (FSE) 192±203
on stability 50 54
Freeboar...