MASSACHUSETTS INSTITUTE OF TECHNOLOGY
THESIS
TRAWVLER DESIGN
By
Viggo E. Maack
Course XIII
Cambridge,
Massachusettts
June, 1946
I,
June, 1946
Professor G. W. Swett
Secretary of the Faculty
Massachusetts Institute of Technology
Cambridge, Massachusetts
Dear Sir:
In partial fulfillment of the requirements
for the Degree of Bachelor of Science, I herewith submit the following thesis on "Trawler
Design".
Respectfully,
Viggo E. Maack
ACKNOWLEDGEMNEN TS
I am deeply grateful for Professor Daniell's
help and suggestions in writing this thesis.
I
also wish to acknowledge the assistance Eiven by Professor Burtiner and Professor Chapman in preparation
of this thesis.
TABLE OF CONTENTS
PARENT SHIPS
Dimensions
1
Weight Statements
2
THE NEW DESIGN
Changing Speed
3
Change in Cruising Radius
6
Change in Crew and Paying Deadweight
7,
8
POWERING OF THE SHIP
Plot of
vs.
9
Dimension and Weight Statement of
New Ship
11
EHP Calculations
13
RUDDER CALCULATIONS
16
FUEL 01L CONSUMPTION AND PROPELLER DIMENSIONS
17
SIZE OF CARGO HOLD
23
Fish Hold and Heat Transfer Calcul-l
ations
25
STABILITY CALCULATIONS
Light Calculation
29
Ready For Sea
31
Load Calculations
33
Cross Curves
35
Curve of Statical Stability
36
TABLE OF CONTENTS
(CONT)
Stability Curves Integration
37
Stations for Stability Calculations
38
DISPLACEMENT SHEET
39
DISPLACEMENT AND OTHER CURVES
40
PROFILE PLAN
41
GENERAL ARRANGEMENT PLAN
42
HULL LINES OF THE NEW DESIGN
43
TRAWLER DESIGN:.
PARENT SHIPS:.
JEANNE D'ARC AND VILLANOVA
LWL
123.05'
24.00'
9.58 '
Displacement
406.2 `IM
A
175.8
Sra
Data used for
used for
Data
powering the ship..
f/
37711
Wetted Surface
Ii
11
2.64
B/H
4
L
218
z_3
.6572
1
LOA
136--41
LBP
122 "
LDWL
124--82
Beam
Designed Mean Draft.,
10--8'
Designed Mean Draft to Bottom of Keel
-d- 515.7
/-.
Designed Drag of Keel
V = llkt
2- -62
11--24
2..
WEIGHT STATEMENT OF PARENT SHIP:
weight of hull, and hull eng. and hull fitt.,
outfit, crew.
273.6
propelling machinery
71.3
weight of fuel
31*97
weight of water and stores
9.67
paying deadweight, permanent ballast
187,.82
571.•4
270.1
47,.2%
propelling mach.
71.3
12.6%
fuel and water
40.5
7.0%
hull and hull fittings
complements and effects
paying deadweight
ballast
margin,
1 .00
173.00
14.0
.2%
30.3%
2.5%
3,•
571.9
100.00 %
.
3..
THE NEW DESIGN:
TRAWLER TO FISH IN THE SEA AROUND ICELAND
34 men
CREW:
CARGO (FISH AND ICE):
CRUISING RADIUS:
270 tons (or there about)
1500 miles
about 12kt (cruising)
SPEED:
The parent ship is made for llkt but the new design
should make 12kt, what would save about 10 hours for the
distance between Reykjavik and Grimsby (1100 nautical
miles),.
to find the effect by changing the
The first thing I do it
speed to 12kt.
kk d
wa - 273.6
w6
=
71.3
kb
31.97,
wc
wd =
C
22 ,#oIC;:
9.67
A' ci
we = 187,82
4
= 574.5
w
=
kx'y ~zzt
w = wAr
A
JA
w
W
273.6
71.3
273.6
1.00
- 1.298
r
92.55
cov"e
4..
w
A
r
w
31.97,
1.00
r
91.97,
9.67
1.00
1
9.67
187.82
1.00
1
187.82
r. - /o/9Pe
w
=
-
1.074 x 273.6
292.5
w-6ý
1.049 x 71.3
74.5
w, =
1.049 x 31.97
33.42
w-
1.00 x 9.67,
=
w.ý =
1.00 x 187.82
9.07
18 .82
•d' 597,.91
That means that I must add 23.4 tons to my displacement.
If this speed change were the only change, I would be
satisfied by this and start my design, but as more
paying deadweight (fish) and more men are needed, I
must make other changes but many changes make the
value of the weight equation doubtful.
50-
CHANGE CRUISING SPEED TO 12kt
A
W
r
273.6 x 1.00
.
W1.
1
4
wC
Wc"
wd :
71.3 x 1.00
r 1
71.3
31.97;x 1.190
r
38.1 k
9.67 x 1.000
1
9.67T
187.82 x 1.000
1
187.82
r
r= 1.033
1.0219
283.0
273.6 x 1.033
wC'
71.3 x 1.0219
=-
72.9
38.10 x 1.0219
-=
38.9
:
9.67 x 1.00
We
273.6 r
I
:
wA :
-
187.82 x 1.00
4/
592.27
9.67
--
187.82
.'=
592.27
1.032 (checks)
574.5
By just changing the cruising speed, I must add 18 tons
to my displacement.
If
I mow would take the new weight
statement and increase the cruising radius
9_25%.(The
weight equation is only appliable when there is a change
in one weight group.)
0..
CRUSING RADIUS INCREASED BY 25%
A
Wvao:
283 x 1-
r
283 r
w6':
72.9 x 1
rY
72.9 YV
we':
38.9 x.1.25 r
Wd':
9.67 x 1
we':
187.82 x 1
-
48.6 yY3
9.67
1
187.82
.4 %-rL• =•3 ",e-I
/r
z1..-
r == 1.023
r=1.035
w°
--
/9 7. 99
293
1.035 x 283
w4'"-
1.023 x 72.9
74.6
wc'=
1.023 x 46.8
49.8
wd"'-
1.00 x 9.67:
wz:=
1.00 x 187.82
1r
9.67.
187.82
•' 614.89
S614.8
592.27 ý
1.035
(checks)
I will still go further and see-how doubling the number
of crew and increasing the fish and ice weights to 270
tons.
7..
CREW 34 AND PAYING WEIGHT INCREASED TO 270 TONS
A2
A 270
1.443
i87:.82
we,
293 x 1 x r
wz"*
74.6 x 1 x r
74.6
49.8 x 1 x r
49.8
293
19.24
9.67 x 2 x 1
Wd `
we-
187.82 x 1.443 x 1
293r
2r
w; =
270.
+/- tl 9 r"
28
Solufton:.
Assumed r
r,,-
=
-•-.898) -T
(.387r
T
1.30
1.355
-. 055
1.40
1.378
.022
1.401
.099
1.419
.181
1.50
1.60
t
,,.,,
L
.UK:
--Vl-
IT:
j
''''''''''''''''''''''''''''''''''''''''
i
jfP
Ki~
~''·'I
:24:2
-..
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-----)------·
i
' ' ;
1· · · · : : ::i;:
Ii
i.-
t::::
: : : i : i : : : : I ''''
Y1"~·
-;LL~O
· · · · -··I
· · · · 1····
---
I4:
I.i rrr.
I:iiiii
i ·· · ·
I'·-it--~·l
i· -· · 1- · ·-I
~-··
·
· ·-
-~-~--
I..-~.~
11--1-;1
i
·- I·'
i ·
.,__~1:;-1_,-LL_ _.:..
'1
'
: : : :i
,.
i
1
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---------: : : : t: : : :I
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....ri ~ .. i ; · · · ·
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--
-----r-----
:ii ;.
i
I
.r
'~''
r: ~-t·-
r -i--~
; 1-·;·
II
4.4W4:4
S--t
:11' t:t;iit::
'''-'''
..-~-,......~~.
i:iiiii~-i ,::::
'
^"
"'i'"''
~"eiii~--l
'''
--....,....
i''''' iiii c-.~--·
''-'i ,---I-·--····
;··)·-··
t
r-
·
-O
----------
~---
--
' i '' i-.~
i ' '1i
:I-1---*~-,·.·.--..i: ~..,.
:::::
....'.i·
r~. · ·r ....
· I-· ·· ·· i· II ·· 'i···i:
· ·· i ' ' ' i · · · - ~I · ·' · ·t
2;if I.!.
1..ii
i;tiIiIllu
;Ijiiii
i ..,.
i
· · · · t · · - ·!i · ;
·;- - - ( ·- ·- i I· -
- · ~-1.I...
- · · I····I···-i·
~. .: 1::
---
::
ii:
!li• ;?i
i.
''''~''
i
i
!·;··1;:l~i·-:
···
''
8..
r-= 1.234
r= 1.372
402.0
a
wj
293 x 1.372
w~- .
64.6 x 1.23 4
92.1
w',
49.8
1.23 4
61.5
x
Wd'/
19.24 x 1
w"'-=
270 x 1
19.2
270.0
."
=
867.2
3s 2867.2 = 1.380
S=
1-Z1380
• = /27 ~-j/-7
PARENT SHIP:
e =.
.95
1 .DO
1.05
5.5
8.5
14
18.5
22
4.6.
8.3
15.5
20.8
24.0
4.8
8.3
15.1
20.2
23.5
4.6.
5.1
5.6
6.2
6.7,
5.45
6.04
6.64
7.35
7.94
10.25
14.34
27..55
31.44
)
I3/,~ = -2
CC/
21.7A
1.10
~*MIL.LlMrTERS.
200 13Y 250 DIVISIONS.
CODEX
BOOK COMPANY,
INC.,
NORWOO•, MJ
IN U.S.A.
PRINTED
:4:t
: :': - :i:::: : :i:i1:ltf
7
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i 'ii
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.......
.,,
--77777-7 = 7'-,-ý-
itfr.iii/
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....
....
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.......
I:::
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~:·-.~.i
7
ii~:':'
ifii.)I~i
I lii~iiii~iti~ILI-ilr
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li~iilllli'!-illlii~i~:ij
i
:::1::
Li i i~ii '~77:';
.· ...... ..;~ii
....
.::,
...
7:
......
.....
:
t
Al
7 7-·
7:~1i··
7-
7~iri
·tI·
i
i~iii
ji
;f
~
i~iiliiii~~rlir~l~irlitl;;:
'"'':·:i~liliiiL
j'..
iiiiii
7*
WI77ý
....
i
-7
wJ
777 ...
........
....
7, --j-77-
'ti it fifiif i ii iiii iiiiii i i fi :
ijt;
77*
:
7-.....,~
7
::::
.i::; _:;:;:
j :::::~it;~. (4I~"·
77
7
::rA::··-;;·::
.:I:
7777
7 T1 i:
:
-7,
t,...
-I
i·~ · i··
.
"
'·
"7
:
B
.'6
10..
V
"
At 11 kt
-=23
=
l
EHP
=
9230
23 x 406
=
.003071 x 923Q x 11
312
According to this calculation (which is far from being
exact), I get my new
1
86
2
1112ýe h
2
1
1286
S867,.2
ý1.'
. 656
New Dimensions:
I
IOL= 123 x 1.286
156.
= 24 x 1.286
30.8
B
H
=
For
9.58 x 1.286
=12.3
aA41 /
1.:01
Then I would have EHP:
-=23x 867,2 = 19920
EHP
.003071 x 19920 x 12.4 = 760
But by keeping the speed down to 12, I get:
(C
/2
-/ /77
01---'=. .5
AC
RA,
11..
Summary:
As my ship is going to be operated under quite
a different condition than the parent ship and I have
no Icelandic parent ship because I think there is no
convenient parent ship as all the Icelandic trawlers
have been bought second-hand and not for Icelandic
conditions, I take my ship nearest to the final calculations on page 8.
w
(hull, hull eng., hull fitt., crew)
402
w4
92.1
(weight of propelling mach.)
wC
61.5
(weight of fuel)
19.2
(weight of water and stores)
W4
-
W.e
,
270.0
-=
(paying deadweight, ballast, margin)
867.2
156.'
LWL
B
-
30.8
H
=
12.3'
V
/4
12kt
"=
291
'1Y
12.
Now I would like to group the weights into the
following groups:
wt. in t ons
69. 1
4*
w = propelling mach.
92. 1
10.6
fuel and water
80. 7
w
hull and hull fittings
-
w37
w = complements and effects
w,= paying deadweight
1.8
.33
287
2
1
w = margin
c~il
8LIU .
92.1 *
512
.2
17
w = ballast
w.
=h
9.1
1799
-
100.o00
13.
4-
875
900
925
950
.4/
1.005
1.033
1.062
1.091
1.120
1.001
1.012
1.020
1.029
1.038
1 n
r)rv
1.022
1.041
1.060
1.078
156.1
159.2
1.622
165.2
168.0
12.5
12.63
12.73
12.85
12.97
.960
.950
.942
.933
.926
15.9
14.5
13.4
12.6
11.9
Rr.,.
13920
13040
12400
11970
11650
.6o01'7 Ix X
.03687
.
IdV4
EHP
514
482
458
442
431
wz C
92.6
86.8
82.7
79.5
77.6
w,
393.5
405.0
416.0
427.0
438.0
82.5
84.0
85.6
87.1
1.8
1.9
1.9
2.0
w80.9
w
1.8
287
287
287
287
287
18
18.2
18.5
19
19.5
1.0
1.0
1.1
cj
874.8
882.3
891.2
901.2
912.4
'-A
-0.2
-17.7
-33.8
-48.8-
-62.6
w
Wq-
2
975
1.1
1.2
;.I
.. .
'"::
.
*1
It
IL
...
'' '
1..
i.
Ii:
7.
..-.
JIt~
1
14z4&
.17
'.1
·
».ii7YZJ7
TTT;•TT:ZTT::] T7:Z
'.4...
·-
-t
I7
Til U
....
-.
,I
Ali1
· ·-
-
·: · · ·
· ;~.
· · ·i·· · ·
-··-;·
·· · · ·
· ~ri....
YK1
hot7
2f
(
-I-i
· ·- ·- · ,.~·-
71i~'">
jI
t
*S77.
1*
0hou
USI
II .1
A-
7t -
7iT~~7
....
.t..
I
' "
''.4
I,,:
.17'
'--r---:
.,..._~~_~_
7-
77
$!i~!
77.
77'
7777..1
..~7177UT17~
I
14.
---
I:
77-
-,7:,-
1
All7
15.
Principal Dimensions:
4'
874.5
870.6
1.005
/
: 1.001
a 1.003
= 156.1
LWL
B
=
30.8
H
=
12.3 L
V = 12kt
AU
300
w
392.2
w
:
92.2
w
-
80.8
w
w
Wu=
wr,=
-
1.8
288.2
17.1
2.2
S874.5 tons
When I have done this, I take the Vincent Curves of
sectional areas and plot my curve for sectional areas
vs. length B.P.
Having my curve plotted, I get 882
tons which is about 1.1% off.
I consider that sat-
isfactory.
I also took my moment readings and found that by this
curve my C.B. is at mys3. section.
16.
RUDDER CALCULAT IONS
I use balanced rudder--streamlined.
L x H a 156 x 12.3 * 1918.8
My parent ship has a rudder area of 50 square feet
and L x H is 123 x 12 - 1476
My rudder area should be:
50 x
Lr
1976
*1918
65 sq. ft.; A
* .0340
LH
PNA
P/LH for a single screw seagoing tugboat = .254
HL a 2190
By this I would have 55.4 sq. ft.
I would use 64 ft.'
For using an almost rectangular rudder, I find
that the center of pressure is 39% from the leading
edge.
I
I
I
--
9
.--9u-
Ii
I
17.
FUEL OIL CONSUMPTION:
M. E. Vol. 1, page 3 gives a fuel consumption
for Geered Diesel as
,"'9
/2,1PII
all purposes
at 1000 SHP
In this ship I have two 250 H.P.
Auxilary
Diesels to drive the generators for windlass, lighting, radio, grinder (bones and heads grinder) and
main engine.
EHP Calculations:
From,
at H
=
displacement curve I have
A
*
850 tons
12.3'.
L - 156
S3
V
30.6
.506
297.6
.
rn 12.3x30.6
f
z-z
S0=
Fl
I
L7'9
x
0 / CC--
"
)11
?90
jlL-
18.
/y
/ 0-6
.9s5
D/3:
. "o
131
43
- 9s
178,
/3.2~
9.
Y
Fom interpolation between beam length ratio and
from the curves, I get'/ = 9.62#/ton
KIlT;
-cl--
I.:.:
7F
,..,....
Ii~
IU11
..I..
iU~
U,,·i
M
.~
-/
i
V
fi
il
t2
-777
...
TT:T
447
I.7 77:::
S1:
XV
i
52:
15L4
$IL
IlliLhl
ý:4
1-:
il~
iiIIi~
22244j~
4-
-7,!
AL
_
:11:.
L
i
iL3--*-"--~-'
i::
1~
1 iiii
:::::7~i1~1i:
~
: f~ i
Ii::
7E
-
i
-77
t
7.
19.
PROPELLER AND FUEL CONSUMPTION
Rý-4790
9.62 x 850 - 12970#
EHP = .003071 x 12970 x 12 = 478
PHP
w
=
t
=
EHP
e x er x eh
.23
kw
e
e 1-t
*
ehr
1-w
(PNA VII p. 149)
=
.84
.70 x .23
=
.16
e -
1.08
e• .77
1
I find e from Schoernherr's curves.
d = 7.5'
4 blades
RPM = 240
MWR = .25
V = 12 k
BL. TH. Fr. =-.05
EHP
= 478
'
Kt= ,326 x EHP
Vntdq(1-t)
J = 1.689 V(1-w)
nd
n - 3.33 r/sec.
.221
:
.62
From the chart I get e,= 63.1%
p/d -
If I now assume several n values and make d
.96
=
EHPVand find the maximum efficiency.
K 3 2 6 x 478
t 1.99 x 12 x .84 x 3150
j
1.689 x 12 x .771
7.5
1 n
2.46
.4
2.08
n
n
7.5
478
121<kb
(2
20.
RPM " 165
n * 2.75
RPM = 180
n u 3
kt = .325
ep = .52
7 " .775
p/d
kt
ep = .605
u
.694
T
RPM - 195
n u 3.25
.273
1.17
p/d /
.kt a .233
ep = .629
p/d = 1.00
a, .64
RPM -
1.33
210
n a 3.50
kt " .20
ep = .636
.594
p/d = .85
T
RPM * 225
n - 3.75
kt , 17.5
ep * 62.1
p/d
.555
X
.78
*
RPM * 240
n a 4.00
kt = .154
ep
.52
7
.608
3
.41
p/d -
~q>~ni~:~c
:,:.:::,!:
. ..: .
I
L~2U~.
.. .
/40 ~
$2 ~
.11..
7717
2
V T
.i...
..,
K
pi:L _ ... i:
'''-~
'''
.. 1 ..
11,
1/...
i..··i
t. .....
~V
*-
I
· ·tl.....
f
-.
E
1*iii~iill~
--- -77. 7ý
t.f
!
L
i
t
~Pss
. A. .
;"
.
.
.
3.oo
.
.
.. .
--- ~_~i
-- i-J~__1
j:_
E
21.
By this calculation I get maximum effeciency for
RPM
208
p/d z .88
Pitch z 6.6
ep max. a 63.8%
PHP
-
ep
694
478
EHP
hxer .638x1.08x1
BHP a PHP
. 732
, 694
=
Z'pp~sm/ss/o
237 long shafting.95
p.
eLabbertn
7o/
Labbertoan p. 237 long shafting
2g
I
BHP a 732
em
.80
.
I use 1100 for rough
915 HP
weather and hauling.
Total HP of the ship is then:
Main engine
1100
500
2 Aux. engines
160
HP
My fuel consumption would be:
1600 x .48 #/hr. . 1600 x .48 x 24
18400 #/day a 1600 x .48 x 24
*
a 310
#/day .
c
.95 x 62.4
or 4.72 tons a day
If the cruising radius takes 14 days, I need space
for fuel oil of 4350 ft .
P.
N. A. 'I .. gives 2- - 2' deduction for the framing
in double bottom so I need really 4350 x 1.025 u 4460 ~ft
of the displacement volume.
I put double bottom at 3'
space of 2800 ft .
water line and get by this,
I also put oil in a 3.5' wide space
22.
which I make at aft of the fishholds.
(Thermal con-
ductivity of the oil is .1-9 which is low.)
In order
to trim the ship I make changes in the 2800 ft. space
availbble in the double bottom and put some of the
liver oil tanks aft and the fuel oil more forward.
The6space
I
get in this 3.5 ft. oil tank aft of the
fish hold is 1870 ft.
In order to avoid heat transfer
after the oil has been consumed in this tank, I put
in cork-plates on- the fish hold
head. (thermal conductivity .025)
side of the bulk-
23.
CARGO HOLD SIZE
Area from top of double bottom to main deck:
Station
0
Area
q
$'4
V.
0
18.1
7.8
102.8
1
147
15.6
2
293
31.2
3
363
46.8
4
383
62.4
5
422
78.0
6
422
93.6
Now I make a plot of the areafrom station 0 under
the main deck.
The area under that curve would give
me volume up to any point from.St. O.
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25.
P. N. A. .V.I gives for the stowage factor of fish
as 50 ft . to a ton.
Using this figure (although I
have refrigerating coils in this trawler, which undoubtedly take less space than the ice) and for 290
tons of fish I need 290 x 50 * 14500 ft . or according
to the graph, from station 1, 65' aft.
By putting the bulkhead 72.8' aft, I get 17800 ft. having
subtracted for usualiframing.
As I have insulation and
refrigeration, I use this value which leaves me
13800 ft . . 270 - 280
4.
FISH-HOLD AND HEAT TRANSFER
In REFRIGERATING ENGINEERING V. 33, 1937, p. 373 is
a description of the fish-hold of the trawler, "Storm".
There, they use cold air circulating around the hold.
By this, they can spare about 2/3 of the ice consumption.
Inside the frame flanges is a 3" thick cork-board.
Then there is a 3" air passage for the cooling air
and nearest to the fish is a waterproof nickel plating.
Down below, I try to calculate or at least
to estimate
the ratio between the heat transfer coefficient and heat
transfer from'.the aircooling space to the shell out to
the sea and to the fish-hold.
26.
The reference I use is McAdams' "Heat Transmission".
According to Am. B&. Sh.,, I use 7 x 3.45 x .350
x .500 channel.
(I just need the web height)
The
plate thickness is .32"
tai
Sc
Assumed temperature in fish-hold to be 320F.
"
"
"
"
"
air-cooling space to be 280F.
of sea to be 600 F.
27.
In order to .find the film coeficients and the air
cooling space, I assume the shape of the air duct
rectangular "' x 15' as the speed is Ed 'e
of the
This gives me RenolJ's number of 720000, which
air.
shows me a turbulant flow.
By using equation 4c, McAdams, p. 168, I get
hj 8.42
CIL.
or'.-,
.
.,
AC4.
h2~
-,=
/2. S.2-
'o
-
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,jt
i
T
J
',
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/
/.
-.
28.
46
/
$
4b
. r
<,'•
,•,
9,
%s-
z,./•s
ice
I
Heat transfer from cooling air to the sea:
Q;W
U9A (t - t)
Q•
=U
- .0952 (28 - 60)
(t,-
Heat transfer from cooling air to ice in fish-hold:
t= temp. infish-hold
QP U (t,- 9
Qa/A = Us(t,-
t) = 9.75 x (28 - 32)
Ratio of heat transfer:
90. 9.75 (-4)
Q4 .0952 (32)
12.8
1
The heat transfer 12.8 times better into the hold
than out to the sea.
(Of course, the heat flow is really not from the
cold air in the duct out to the sea or into the hold,
rather the negative heat (or the cold) ).
29.
STABILITY CALCULATION
Light Condition
Lever arms and weights are estimated as close as possible.
Item
Wt.
Struct. Wt.
'351
Vert. C.G.from BL
Vert. mom
Above
14.3
5030
48.8
FWD
C.G. from
FWD mom. Aft.
Aft. mom
5.0
1755
Paint Cement
12.2
4.0
Carp. Work
25.6
19.8
507
35
895
Joinerwork
12.0
15.8
190
12
144
Hull, Fitt.
19.0
23.0
436
Hull Eng.
30.5
17.0
519
Equipment
5.0
25.0
125
2;.0
10
Outfit
30.0
18.0
540
3.0
90
Prop. Mach.
83
10.0
830
Perm. Ballast 10
15.0
122
31
3.0
3.5
8260.8
575.6
283
05SR
-zc
S$2 z 3--,•
d22
--- -- =d
d
=•9/
183
C. C7.
o
2570
30
5506
30.
s,
P7.s- x -&"
es" /2
' 9..c
,,'7el
7"• //7 /3,
f. *3
/,s "
oa
. ZS
/.
.
3 .s-
.7 7
/.
-"
/..- s-
,-
o -
K4e',
-
3
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/3.Z
I. 35~ b
"
2.70
. 9s-
3.oo
/-.3.
q
31.
READY FOR SEA
EST IMAT ION
.Gfoi
Vet
----
Item
Wt. ,~
Vert.
C.G.fromiiL
Above
Moment
---- -fro
from .,
FWD mom. Aft. Aft. mom
--
Long.
FWD
14.35
8260
9.09
5223
6.0
764
3.3
420
9.0
138
3.4
8.5
29
25
Galley Stoves 2.0
18.0
36
50
30.0
10.5
315
Constr. Wt. 575.6
Fuel Oil
Fresh Water
127
15.3
Lub. Oil
Ice
21.
3.3
Oven
29
Free Surface W
39
"9674
756
KG L. 9674 a 12.8
756
KM
GM
*
16.2
3.4'
54
104
85
100
1620
69
Free Surfacef-o
Total
68
139
1724
5967
32.
-
Z- /,
L/ 7(4,
S"
5 .c.-.p
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so¢"=
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o
yx 4?3
.25-,.
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2L/q
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2.739
33.
LOAD CONDITION
EST IMATION
__
-_
__
_
-I
-
---
Vet
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Item
Wt.
Abov e
Constr. Wt.
576
14.3 5
Fuel
65
CG.~ froaL
Vert SC.G.
Lon
Moment
8260
C.G
Long C.G.
fromdL
FWD
42
6.0
from
9.09
5.5
68
- AJ A--c
FWD mom. Aft. Aft. mom.
392
4.5
fro
5223
357
476
Water
7.0
Lub. Oil
2.0
10.0
20
50
Galley
1.0
18.0
18
50
Fish & Ice
270
3.3
Crew
11
2970
21
69
36
9750
42
139
29
Free Surf. f .o.0
Free Surf. f.w.
30
S*
11830
923.9
KG calculated a 11830 a 12.8
KM x 15.76
GM a 2.84'
10226.0
5819.0
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