Ship Handling 1

7/21/2019 Ship Handling 1

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SHIPHANDLING

Science Skill

OR

Art Skill


2/45

Shiphandling Teamwork ?

Appreciating required maneuver and relevantfactors Who should?

Master

Officers

Engineers

Helmsman

Lookout

Cre

!ilot " Har#our master " Mooring cre


3/45

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


4/45

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.


5/45

At centre of gravit/


6/45

!ivot !oint is 0L from forard


7/45

!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.


9/45

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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14/45

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.


15/45

TT 6 *I,$T *$INT

E"D+"7

LA&1E $+&%*%1

LE3E&


16/45

TT 6 *I,$T *$INT

STERN+"7

(MALL $+&%*%1

LE3E&


17/45

WED#E E$$ECT) A DE!ARTURE$ROM TRANS%ERSE THRUST

E$$ECT

(W*%1( $HE W&O%1 WA4


18/45

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.


19/45

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.


20/45

,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.


21/45


22/45

6

LATERAL FORCES WHEN TURNING


23/45

TURNIN#RUDDER $ORCE LATERAL RESISTANCE !I%OT !OINT INERTI"

1


24/45

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.


25/45

Shallow waer 6 4rning.


26/45

(HALLOW(HALLOW

WA$E&WA$E&


27/45

("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.


28/45

'$,E "($NGSIDE

5*C5 AHEA)

A!!ROACH TO 7UO8EDA!!ROACH TO 7UO8ED


29/45

A!!ROACH TO 7UO8EDA!!ROACH TO 7UO8ED

CHANNELCHANNEL


30/45

7ETWEEN7REA"WATERS


31/45

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


32/45

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


33/45

CO%3E%$*O%AL

$+1

1o# line


34/45

#$N,ENTI$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#.


35/45

$+1 *%$E&AC$*O%


36/45

*%$E&AC$*O% A-$

S$EER TO STERN.

INCREASE OF SPEED.

LAND $EAIL+ AS.


37/45

1*&$*%1

E7CE((*3E($&A*1H$L*%E (!EE)

$+&%*%18+*C5L4 AWA4

-&OM $+1.

TRACTOR TU&S


38/45

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.


39/45

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.


40/45

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.


41/45

LE%1$H O- $OW L*%E

LON& TOWIN& LINE - DEEP WATER -

MAXIMUM PULL POWER


42/45

S$RT T$+8(INE 8 S"(($+ +"TER 8REDU#ED *U((

S$RT R$*E S'"(( U;# *U((


43/45

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.


44/45

E"D+"7

MO&E $+&%*%1

LE3E&2


45/45

*%)*&EC$ E--EC$ O- $+1 WA(H *%

CO%-*%E) WA$E&(

NET SWA+ FORCE

FASTER FLOW OF

WATER, CAUSES

LOW PRESSURE

Ship Handling 1

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