ship handling 1
TRANSCRIPT
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SHIPHANDLING
Science Skill
OR
Art Skill
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Shiphandling Teamwork ?
Appreciating required maneuver and relevantfactors Who should?
Master
Officers
Engineers
Helmsman
Lookout
Cre
!ilot " Har#our master " Mooring cre
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RESOURCES ATRESOURCES ATHAND
::
1.1.ENGINESENGINES
2.RUDDER2.RUDDER
3.TRUSTERS3.TRUSTERS
!."N#$RS!."N#$RS
%.TUGS%.TUGS
&.'$$RING&.'$$RING
(INES.(INES.)).HUMAN
ELEMENTS
$O CO%$&OL1. WIND
2.CURRENT
3.SEA & SWELL
4.INTERACTION
. MOMENTUM
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PIVOT POINT *$INT "R$UND +I# TE ,ESSE(TURNS DURING " TURN -$R "N$SER,ER $N TE RIDGE.
I''EDI"TE "/IS $- TURN. "S SI-TING N"TURE
DEPENDANT ON' (!EE)'ACCELE&A$*O%')ECELE&A$*O%'MOME%$+M ' WA$E&
&E(*($A%CE'C, ' )&A-$ . $&*M '
(HALLOW WA$E& E$C.
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At centre of gravit/
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!ivot !oint is 0L from forard
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!ivot !oint is 0 L from stern
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SLOW S!EED CONTROL
"EE!IN# RUDDERE$$ECTI%ENESS
$ULL RUDDER "IC" AHEADSTO! RUDDER MIDSHI!.
SHORT DURATION O$ "IC" TO
ACHIE%E SWIN#."IC" AHEAD !OWER ' SH! (
DWT.
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10 CABLES
6 KTS
3 KTS
FINAL STOP
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10 CABLES
3 KTS
1KTS
FINAL STOP
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SH! TO DWT RATIO
120 dw #argo hip 11 hp
230 dw #on. 30 hp
&0 dw 4lk 1%0 hp
50 dw Tanker 20 hp
2%0 dw ,(## 310 hp
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TRANS%ERSE THRUST
HEL*CAL )*(CHA&1E ' C&EA$E( LA&1E&
!&E((+&E O% !O&$ O- &+))E&2
+!WA&) -LOW -&OM +%)E& $HE H+LL A))(
MO&E !&E((+&E $O $HE )OW% (WEE!*%1
!&O!ELLE& ,LA)E(2
+%E3E% $+&,+LE%$ -LOW2
COM!A&A$*3EL4 WEA5 -O&CE2
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G$ING "STERNBOW TO STBD
SUBSTANTIAL FORCE.
5 TO 10% OF APPLIEDSTERN POWER.
FOR EXAMPLE - 80,000
!" TANKER - #0,000S$P - STERN POWER
10,000 S$P - 10% 0F
10,000 S$P IS 1000 S$P
--- ABT. 10T.
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TT 6 *I,$T *$INT
E"D+"7
LA&1E $+&%*%1
LE3E&
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TT 6 *I,$T *$INT
STERN+"7
(MALL $+&%*%1
LE3E&
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WED#E E$$ECT) A DE!ARTURE$ROM TRANS%ERSE THRUST
E$$ECT
(W*%1( $HE W&O%1 WA4
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A%CHO&(
"N#$RS 6 #"(ES8 9UITE RE(I"(E.
TE +IND("SS IS N$T.
1: IN#RE"SE IN T$NN"GE IS
'"T#ED 7 2%: IN#RE"SE IN "N#$RGE"R $R *$+ER.
!OWER TO LI$T ANCHOR & 4SHAC"LES WHILE DEADSTO! INWATER.
'"IN(7 R";E $R GE"R -"I(URESEEN $N SI*S '$RE T"N %0D+T.
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A%CHO& )&E)1*%1AMOUNT OF CABLE NOT TO EXCEED 1 1#AMOUNT OF CABLE NOT TO EXCEED 1 1#
TIMES T$E DEPT$.TIMES T$E DEPT$.
DESI&N SPEED OF WINDLASS SPEED IS 30DESI&N SPEED OF WINDLASS SPEED IS 30
'" M(). .'" M(). .
30 '" M(). * 3 MINUTES A S$ACKLE * 0.330 '" M(). * 3 MINUTES A S$ACKLE * 0.3
KTS ON &ROUND.KTS ON &ROUND.
STATIC $OLDIN& POWER IS T$REE TIMESSTATIC $OLDIN& POWER IS T$REE TIMES
$I&$ER T$AN D+NAMIC POWER.$I&$ER T$AN D+NAMIC POWER.
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,E$$E& CO%$&OL O- (!EE)2
*M!&O3E) ($EE&A1E2
M*%*M+M LA$E&AL
&E(*($A%CE2
,E$$E& CO%$&OL.
BEST TO TURN S$ORT-ROUND.
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6
LATERAL FORCES WHEN TURNING
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TURNIN#RUDDER $ORCE LATERAL RESISTANCE !I%OT !OINT INERTI"
1
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STANDIN# TURN & "IC"AHEAD.
Re*+ce l,ter,l re-i-t,nce t/ini/+/.
E0lit r+**er rce t/,0i/+/.
Red4=e peed o dead low or >ero 8 o
ha waer 4ild84p or laeral reian=ei minim4m.
"@oid peed 4ild84p.
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Shallow waer 6 4rning.
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(HALLOW(HALLOW
WA$E&WA$E&
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("TER"( '$TI$N
$+ll *ie* -i ,- l,r5e$+ll *ie* -i ,- l,r5e
//ent+/.//ent+/.
H,- l,r5e -ki* ,n* l,r5e *ritH,- l,r5e -ki* ,n* l,r5e *rit,n5le.,n5le.
H,- -/,ller t+rnin5 circle.H,- -/,ller t+rnin5 circle.
$ine line* 6e--el. S/,ll *rit$ine line* 6e--el. S/,ll *rit
,n5le ' 7i5 t+rnin5 circle.,n5le ' 7i5 t+rnin5 circle.
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'$,E "($NGSIDE
5*C5 AHEA)
A!!ROACH TO 7UO8EDA!!ROACH TO 7UO8ED
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A!!ROACH TO 7UO8EDA!!ROACH TO 7UO8ED
CHANNELCHANNEL
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7ETWEEN7REA"WATERS
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TUG
!OWER IN SH! 9 !OWER IN " 0 1;; (
ORDINAR8 !RO!ELLER 9 1.3
NO??LE T8!E 9 1.@
%OITH SCHNEIDER 9 1.;
MOST TU#S !OWER RAN#E $ROM @;; TO 22; "
888888888888888888888888888888888888888888888888888888888
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ALLOCATION O$ NUM7ER O$ALLOCATION O$ NUM7ER O$
TU#STU#S
EURO!ORTEURO!ORT TOT. TU# !OWER INTONNES 9 %ESSEL DIS!LACEMENT (
3;;;.
A!ANA!AN TOT. TU# HORSE !OWER 9 %ESSELDIS!LACEMENT ( 1;
TOT. TUG POWER IN TONNES = ( VESSEL DISP. X 60 /
100000 ) + 40-----------------------------------------------------------------------------
SWEDEN SWEDEN TUG *$+ER IN T$NNES AB +IND"GE "RE" < 1 C / B ,2
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CO%3E%$*O%AL
$+1
1o# line
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#$N,ENTI$N"( TUG
!RO!ULSION UNIT A$T!RO!ULSION UNIT A$T TOWIN# !OINT AS $AR $WD AS DESI#NTOWIN# !OINT AS $AR $WD AS DESI#N
!ERMITS!ERMITS
S($+ 6 (I'ITED "I(IT7 T$ RE8*$SITI$N *I,$T *$INT SI-TS T$ "'IDSI*S 8
STI(( G$$D TURNING '$'ENT.
("RGE REDU#TI$N $- TURNING'$'ENT I- G$ (INE IS RIGID(7 -I/ED.
RIS" O$ INTERACTION OR #IRTIN#.
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$+1 *%$E&AC$*O%
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*%$E&AC$*O% A-$
S$EER TO STERN.
INCREASE OF SPEED.
LAND $EAIL+ AS.
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1*&$*%1
E7CE((*3E($&A*1H$L*%E (!EE)
$+&%*%18+*C5L4 AWA4
-&OM $+1.
TRACTOR TU&S
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TRACTOR TU&S
3O*$H(CH%E*)E&
(CHO$$EL
MULTI-DIRECTIONAL
PROPULSION.
UNDER T$E BRID&E LOCATION
TOWIN& POINT AFT.
OUT-BOARD MOTOR T+PES OR
ERTICAL BLADES.
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ABi/+t -tern *ri6e rABi/+t -tern *ri6e r
ASD t+5-ASD t+5-Towing poiion orward 6 amidhip.
Two roaing a>im4h 4ni mo4ned a.
7etter *irectin,l -t,ilit. #* in en ,ter-.
I/r6e* ll,r* +ll.
Le-- *r,t. S,ll *r,t- 3 /tr-.
Le-- eelin5 1 *e5.
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DIS"D,"NT"GES.
S+-cetile t 5irtin5 & inter,ctin.
Tin5 li/ite* t r,r* -itin.
Le-- -i*e-tein5 ,ilit.
S+,t ,t -tern.
C/le0 cntrl --te/.
!reller- -+-cetile t *,/,5e.
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LE%1$H O- $OW L*%E
LON& TOWIN& LINE - DEEP WATER -
MAXIMUM PULL POWER
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S$RT T$+8(INE 8 S"(($+ +"TER 8REDU#ED *U((
S$RT R$*E S'"(( U;# *U((
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S$RT R$*E 8 S'"(( U;# 8 *U((NEUTR"(ISED
TOWIN& LEN&T$ 1.5 TO # TIMES T$ETU&S LEN&T$.
BREAKIN& LOAD 3-3.5 TIMES TU&S
BOLLARD PULL. - S+NT$ETIC ROPE.
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E"D+"7
MO&E $+&%*%1
LE3E&2
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*%)*&EC$ E--EC$ O- $+1 WA(H *%
CO%-*%E) WA$E&(
NET SWA+ FORCE
FASTER FLOW OF
WATER, CAUSES
LOW PRESSURE