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vdocuments.mx_ship-handling-1.pdf

  1. 1. SHIPHANDLING • Science Skill OR • Art Skill
  2. 2. Shiphandling – Teamwork ? Appreciating required maneuver and relevant factors – Who should? Master Officers Engineers Helmsman Lookout Cre !ilot " Har#our master " Mooring cre
  3. 3. RESOURCES AT RESOURCES AT HAND: : 1. 1.ENGINES ENGINES 2.RUDDER 2.RUDDER 3.TRUSTERS 3.TRUSTERS !."N#$RS !."N#$RS %.TUGS %.TUGS &.'$$RING &.'$$RING (INES. (INES. ) ).HUMAN ELEMENTS $O CO%$&OL 1. WIND 2.CURRENT 3.SEA & SWELL 4.INTERACTION . MOMENTUM
  4. 4. PIVOT POINT • *$INT "R$UND +I# TE ,ESSE( TURNS DURING " TURN -$R "N $SER,ER $N TE RIDGE. • I''EDI"TE "/IS $- TURN. • "S SI-TING N"TURE DEPENDANT ON ' (!EE)'ACCELE&A$*O%' )ECELE&A$*O%'MOME%$+M ' WA$E& &E(*($A%CE'C, ' )&A-$ . $&*M ' (HALLOW WA$E& E$C.
  5. 5. At centre of gravit/
  6. 6. !ivot !oint is 0 L from forard
  7. 7. !ivot !oint is 0 L from stern
  8. 8. SLOW S!EED CONTROL "EE!IN# RUDDER E$$ECTI%ENESS $ULL RUDDER "IC" AHEAD STO!  RUDDER MIDSHI!. SHORT DURATION O$ "IC" TO ACHIE%E SWIN#. "IC" AHEAD !OWER ' SH! ( DWT.
  9. 9. 10 CABLES 6 KTS 3 KTS FINAL STOP
  10. 10. 10 CABLES 3 KTS 1KTS FINAL STOP
  11. 11. SH! TO DWT RATIO 120 dw #argo hip 11 hp 230 dw #on. 30 hp &0 dw 4lk 1%0 hp 50 dw Tanker 20 hp 2%0 dw ,(## 310 hp
  12. 12. TRANS%ERSE THRUST •HEL*CAL )*(CHA&1E ' C&EA$E( LA&1E& !&E((+&E O% !O&$ O- &+))E&2 •+!WA&) -LOW -&OM +%)E& $HE H+LL A))( MO&E !&E((+&E $O $HE )OW% (WEE!*%1 !&O!ELLE& ,LA)E(2 •+%E3E% $+&,+LE%$ -LOW2 •COM!A&A$*3EL4 WEA5 -O&CE2
  13. 13. G$ING "STERN •BOW TO STBD •SUBSTANTIAL FORCE. •5 TO 10% OF APPLIED STERN POWER. •FOR EXAMPLE - 80,000 !" TANKER - #0,000 S$P - STERN POWER 10,000 S$P - 10% 0F 10,000 S$P IS 1000 S$P --- ABT. 10T.
  14. 14. TT 6 *I,$T *$INT E"D+"7 LA&1E $+&%*%1 LE3E&
  15. 15. TT 6 *I,$T *$INT STERN+"7 (MALL $+&%*%1 LE3E&
  16. 16. WED#E E$$ECT) A DE!ARTURE $ROM TRANS%ERSE THRUST E$$ECT (W*%1( $HE W&O%1 WA4
  17. 17. A%CHO&(  "N#$RS 6 #"(ES8 9UITE RE(I"(E. TE +IND("SS IS N$T. 1: IN#RE"SE IN T$NN"GE IS '"T#ED 7 2%: IN#RE"SE IN "N#$R GE"R $R *$+ER. !OWER TO LI$T ANCHOR & 4 SHAC"LES WHILE DEADSTO! IN WATER. '"IN(7 R";E $R GE"R -"I(URE SEEN $N SI*S '$RE T"N %0 D+T.
  18. 18. A%CHO& )&E)1*%1 AMOUNT OF CABLE NOT TO EXCEED 1 1# AMOUNT OF CABLE NOT TO EXCEED 1 1# TIMES T$E DEPT$. TIMES T$E DEPT$. DESI&N SPEED OF WINDLASS SPEED IS 30 DESI&N SPEED OF WINDLASS SPEED IS 30 '"  M(). . '"  M(). . 30 '"  M(). * 3 MINUTES A S$ACKLE * 0.3 30 '"  M(). * 3 MINUTES A S$ACKLE * 0.3 KTS ON &ROUND. KTS ON &ROUND. STATIC $OLDIN& POWER IS T$REE TIMES STATIC $OLDIN& POWER IS T$REE TIMES $I&$ER T$AN D+NAMIC POWER. $I&$ER T$AN D+NAMIC POWER.
  19. 19. •,E$$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.
  20. 20. 6 LATERAL FORCES WHEN TURNING
  21. 21. TURNIN# RUDDER $ORCE  LATERAL RESISTANCE  !I%OT !OINT • INERTI" • 1<5 ( -R$' -+D IS *I,$T *$INT "T ST"RT. • $*TI'U' RUDDER -$R#E. • 8888888888888888888888888888888888888888888888888888 ("TER"( -$R#E 6 RUDDER -$R#E "("N#E E"# $TER DURING " TURN. *I,$T *$INT '$,ES T$ 1<2 (. S;IDDING $N TR"#;.
  22. 22. STANDIN# TURN & "IC"AHEAD. • Re*+ce l,ter,l re-i-t,nce t /ini/+/. • E0lit r+**er rce t /,0i/+/. • Red4=e peed o dead low or >ero 8 o ha waer 4ild84p or laeral reian=e i minim4m. • "@oid peed 4ild84p.
  23. 23. Shallow waer 6 4rning.
  24. 24. (HALLOW (HALLOW WA$E& WA$E&
  25. 25. ("TER"( '$TI$N $+ll *ie* -i ,- l,r5e $+ll *ie* -i ,- l,r5e //ent+/. //ent+/. H,- l,r5e -ki* ,n* l,r5e *rit H,- l,r5e -ki* ,n* l,r5e *rit ,n5le. ,n5le. H,- -/,ller t+rnin5 circle. H,- -/,ller t+rnin5 circle. $ine line* 6e--el. S/,ll *rit $ine line* 6e--el. S/,ll *rit ,n5le ' 7i5 t+rnin5 circle. ,n5le ' 7i5 t+rnin5 circle.
  26. 26. '$,E "($NGSIDE 5*C5 AHEA)
  27. 27. A!!ROACH TO 7UO8ED A!!ROACH TO 7UO8ED CHANNEL CHANNEL
  28. 28. 7ETWEEN 7REA"WATERS
  29. 29. TUG !OWER IN SH! 9 !OWER IN " 0 1;; ( <4 7OLLARD !ULL IN TONNES 1;; SH! = " %ALUE O$ > " > 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
  30. 30. ALLOCATION O$ NUM7ER O$ ALLOCATION O$ NUM7ER O$ TU#S TU#S EURO!ORT EURO!ORT  TOT. TU# !OWER IN TONNES 9 %ESSEL DIS!LACEMENT ( 3;;;.  A!AN A!AN  TOT. TU# HORSE !OWER 9 %ESSEL DIS!LACEMENT ( 1; TOT. TUG POWER IN TONNES = ( VESSEL DISP . X 60 / 100000 ) + 40 ----------------------------------------------------------------------------- SWEDEN  SWEDEN  TUG *$+ER IN T$NNES A B +IND"GE "RE" < 1 C / B ,2 < 15 C
  31. 31. CO%3E%$*O%AL $+1 1o# line
  32. 32. #$N,ENTI$N"( TUG • !RO!ULSION UNIT A$T !RO!ULSION UNIT A$T • TOWIN# !OINT AS $AR $WD AS DESI#N TOWIN# !OINT AS $AR $WD AS DESI#N !ERMITS !ERMITS • S($+ 6 (I'ITED "I(IT7 T$ RE8*$SITI$N • *I,$T *$INT SI-TS T$ "'IDSI*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#.
  33. 33. $+1 *%$E&AC$*O%
  34. 34. *%$E&AC$*O% A-$ S$EER TO STERN. INCREASE OF SPEED. LAND $EAIL+AS.
  35. 35. 1*&$*%1 •E7CE((*3E ($&A*1H$ L*%E (!EE) •$+&%*%1 8+*C5L4AWA4 -&OM $+1.
  36. 36. TRACTOR TU&S 3O*$H (CH%E*)E& (CHO$$EL •MULTI-DIRECTIONAL PROPULSION. •UNDER T$E BRID&E LOCATION •TOWIN& POINT AFT. •OUT-BOARD MOTOR T+PES OR ERTICAL BLADES.
  37. 37. ABi/+t -tern *ri6e r ABi/+t -tern *ri6e r ASD t+5- ASD t+5- • Towing poiion orward 6 amidhip. • Two roaing a>im4h 4ni mo4ned a. • 7etter *irectin,l -t,ilit. • #* in en ,ter-. • I/r6e* ll,r* +ll. • Le-- *r,t. • S,ll *r,t-  3 /tr-. • Le-- eelin5  1 *e5.
  38. 38. DIS"D,"NT"GES. • S+-cetile t 5irtin5 & inter,ctin. • Tin5 li/ite* t r,r* -itin. • Le-- -i*e-tein5 ,ilit. • S+,t ,t -tern. • C/le0 cntrl --te/. • !reller- -+-cetile t *,/,5e.
  39. 39. LE%1$H O- $OW L*%E LON& TOWIN& LINE - DEEP WATER - MAXIMUM PULL POWER
  40. 40. S$RT T$+8(INE 8 S"(($+ +"TER 8 REDU#ED *U((
  41. 41. S$RT R$*E 8 S'"(( U;# 8 *U(( NEUTR"(ISED TOWIN& LEN&T$ 1.5 TO # TIMES T$E TU&S LEN&T$. BREAKIN& LOAD 3-3.5 TIMES TU&S BOLLARD PULL. - S+NT$ETIC ROPE.
  42. 42. E"D+"7 MO&E $+&%*%1 LE3E&2
  43. 43. *%)*&EC$ E--EC$ O- $+1 WA(H *% CO%-*%E) WA$E&( NET SWA + FORCE FASTER FLOW OF WATER, CAUSES LOW PRESSURE

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