S#Fd#Tflffifl for the Shfpping World MANOEUVRING INSTRUGTIONS
S#W#TTtrL
for the Shipping World A.S.D.Tug SCflOTTE- ulüs elt
Az¡múh Stem Drñett¡g:
AS.D. Tug:
SCIIOTTEL urüs h$e bflY
Tracbr Tug: @I{TENTS
,-/:--
0
@I{IENTS
,l
PONT OF NPPrc¡TPN
2
BAStrS
3
A ROUGHDEA ABOIJTTHRUST ESCORTTT.|G.
4
VESTORF¡' FORCES
5
A FEW REMARKSON PUSI-I.PTIL MODE
6
TOWAGESTERiIWAYS OFFEREI{CEBETWEENBOW AND STERN'IOWAGE
7
BOW TT'GTOWNG @IWENTIO?{ALLY
8
BOW TUG - Bd'I' TC'BOW
g_ 1_0
EMERGENCY,DAI{GER I E)GRCFES
1l
(1) PLOTSNFORTTiATPN
12
Pr-oTSNFoRMATON (2)
13
DRECT PI,JLLI NDRECT PTJII SERN TUGBRNGS VESSELS STERNNTO A T{ARROWDOCN(
14
MOREMAJ{OEWRES
15
SDESTEPPNG UNDERAN ANGTE EMBARKNG ' DFEMBARKNG PLOT
16
ASSF¡I|i|GSMALLVESSELS
17
SALT{G WTIHOTG IJ!{fTONLY
18
OPERATNGSCI{OTTE. BOATS
19
STEERNG STOTTE. I,'I{ÍTS
zo
STOP\IESSEL AND PTJSHfT N TOryvVESSELS_B?y Al.lDPUSH fr lN
21
BARGETOWAGE
2.
REÍTIAR(S01{ SCHOTTELPROPI,LSION
n
SOü'IEIúAIHEMATESi
THRUST PIVOT PONT: RESFTANCE
-} -
i
É¡r=-.E--
.-
Dodrecht. llollar¡d: 20 Febr. 2001
RC. Shs¡t Ílo.olf.
SCHOTTELASD,Prhsd by SCHOTTET
S#W#TTtrL
for the Shipping World OF ApPUCATIOI{ TtlRttriT: PIVOT PTOINT:REIS¡STA}ICE
f
PortsidesGtloTTELunit
E
starbordsGlttlrrEl. unit
lal
Point of Appl¡cat¡on of vuaterresistance at speed 0: lt is inluerrced by Sp€ed Dralt Trim Rate dtum etc. It mos cmtinuosly
IPPJ Phot point
caused by
E)(AilPLE Only P.S. unit in use Lener SC]IOTTEL thrust
f¡ sU¡ swlng In to lland P.S. ebngsldc ür ¡etty
i;r ¡tcrn hto Itagahst the leüy
SGIIOTTE-angh:
Bo¡t r¡m¡h¡ In ltr postlon beca¡¡s¡ the ol Apdhadon
lE
of thr SCHOTTE-
arehllr¡
Page 1 oÍ 23 Rt sheai No. 01!, SCHoTTELAsD, hfrrd
by scHoTr Et
S#Fd#TTffiL
for the Shfpping World BASIGS
td
Pohú of Apdlcatbn dur*er mslstanca at speed 0: t ls Inflmncad bY Speed Draft Trlm Rateoftum etc. I moles cor*innuslY
Propellerwake hlts tln skeg and h¡I Iniluerclng the mowment
T?rdrghthb configrdlrn glns a small¡rhawrse tectc T¡arese sPeed mlgt* be etBn mc€ as PoPclbruake does nd ht tlP hull
:. TlIs ccrfiguraüm glws a smiler t nerse recton Ttasse sPeadwlll be smaller N.B.: t ls an lntetmedbtePosltlon bdupen tt¡e maxlmd trawrse wctor ar¡dthe neúral Posfihn
THs ccrfrguraüqt dso ghes a tnwrse mowmerf: t only b efrctlrP urhenP.S. Pmpellerwakemlssestln skeg
Neubal posltlon: Tlreoretlcallyüte tug emalns In the same pcltlon Practii:ally ttn poslüonb Influencedby Wlrtd Mlnorthn¡stdlfrrences
Page 2.ot 23 R-. Sheet tlo. Ol!, SCHOTTELASD' Pthed by SCHOTTET
s#w#Frtrf,
for the Shipping World
SGF##TTffiL for the Shipping World S¡m tug undtr 90 d¡gr. Rudderpropdlr configuraüon makes P.S. propellerwake miss the S.B.unit
l{dicethe difrlerrce in the tvYoconfigurtiotts
It stprvsroo" |!l to bemoreefrctiw: It has a longer laer
Vesel
l¡b¡ah¡d
by bow ü.rg wllñoü
t Goullt cfrengc
S,B. tumirn moment:
lrl' lal. lilr luI S.B. tr¡dderpropeller has to conect it rith a P.S.trning manrsil
LeJ'LqJ
Page4 of 23 Rf. Sñ-i flo. 0rl. SCIIOTTELASO, m.d
by SCHOTTEI
S#H#TTtrL
for the ShipPing World A FEW RETARI(S ON PUSH+T'LL IOf'E
lEEl Thrust norn both SGIIOTTE,4.
1Ef ld
til
units
Trawrse coítponent
rd E'l tEl til
Longitudind comPonent Une brce and / or Fender tiction Water esistance
Le\erd lil
lsl EJx b J = lsl * lgl
leJ
LeEr d
I_Egl
ltdf the ressers breadth
At a certalnsPeedlt ls Pcsibb that:
IIEJ'l!El ' =lLl' bJ Now the tug doesnt push to S-B- anymce The ressel ewl mlgütttum to P-S Reduce tug! Push angle Hullacts as a rudderProfile Longitudinal rector increces
lgl o*t"o""
Pulling with a rery short toryline: Rudderpopetlers under an argle ( About Zl degr.) Eficiency increases: Wake doesnt tot¡ch tug's hul Wake escapes easieralorg eselb
hull
: I I
ffil 5 r t
^@Gl
l i
SCF¡OTTEU
Page 5 of 23 RC. Sh¡.r t{o. ol3. scHoTTEt AsD. htt
d by sc}loTTEt
s#FdffiTrtrf,
for the Shipping World TOWAGE STERIIWAY'IS
( Secuirg ls mrch easler lld tnmPared bY bt¡b orchaln
lf *ell Yc-f¡
Pusltrg slth towllm sbckedovuaY
l¡ mod¡nb lnd notbo mudt wrbr enbtsü|gq3 aft declc ü¡rn end rpeed ¡n b¡rked ullñout dtngrr ñr tftc tu¡
Vesscl unrbrgood speed srlrtarÜy swlrgs to P'S' Tug now ln a good pclüan to corpct tfn swlr€ In a s* RÉrÍt dcpenG on speeq tonaga ard thnrst
Twllrp b slPlt*
uay \.1:':-Tr¡g's * ffibtrt mlgütttorch wsseFs htll sfiltqt danger
tug r"acts faster
paft elimlnated ltb da,Eer tr dftfE beca¡¡se the glrtlrqrlowline rDment ls br a gpod re belor by ths rldrüng nderpropdbrmdnelt g'.ror ¡f tÉ t,& W bttO"r to¡,Ehes the tcssd: no danger arlses and damry uodtl be mU mlna; Íg[U. dependingon ressels slze and borl shape; swell Towline length ILI i and expectert finC speed : 30 up to SOmLet gobwllne:
--ir-'
Tou/lne doesnl dloP in ttc side Towline camd er¡terthe PoPellar
DIFFERENCE IN BOW AI{D STERN TOWAGE
Twingfronr bow: torlirc angle is sllghtly less at same distarre In swell: less ueptf
'blls'orto
the tmdine
Towllrpt"m U"t" I lloüce tlre dllfcrencs In dangcr br In ü¡l¡ca¡ br and S¡rbutg¡
giws Uneforce Prcpetlerbrce gfrcs
gtves
Heellngilornenl
Page 6 of 23 RL Shed Xo. Ot!, SCHOTTELASO.Prñrd by SCHOTTEI
s#tr#Ffltrd-
for the ShiPPing World BOW TUG TUW lNG CO}IVEI'ITIONAIIY SECURIi.IG TOYÚLNE TO VESSELE BOW Tug aPPhes
ressd tqn lee side
WIIf,' TOWARDS THE TUG BE AWART VESSE S BOW TIGHT BE BLOWN BY THE
Tug is longer shelteld Vessels heaúng line easily gets onboard -J------l
,¿----'J.
+
When lde ttrrustlsnotbo hlgh lf speed alloua: the insile ur-E stop or dead slw ahead ( 15 degr-ottw') '- - Use tle outsirJeunit onlY A" t fiws a slight ¡ni'arühorement the headiq_tras to be somervtlat outwards
Tlús configunationalloue the stem to come ln rery close in a saÉ rvay faciübüing towline handlirg N.B. h case of a sr¡dden poblem only the irside unit tras to be Frn (fil ) ahed ald togetherwith the o¡F'tnrls wcton üÚsgiws a s# escape PossibilitY
The nert manoeuürE ls not mcommended Tug lets ressd aPProach it Tug is in unsheltered water and starts to rd
tn cae d h!Élsile üUuS!: Sqr¡eezirg SCIIOTTE-{nits to almost net¡trd asks f¡r ergine adiustment to keep cotrse Tug starts to bel-¡ae moftt course
- Vesselb bow+ae tends to push the tug awry - A sligtrt course+frange of the wssd dbplaces its bow mtry meters rccessitatirg the tugmaster to reposititxt the tug - As much more wind blors in üor¡t of the bom the treringline mi¡ht be blown ¿¡wly' specC uf,ren tle bow is wrY h(¡h
Page 7 ot 23 Rf. sm.r No. ol!. SCHoTTELASO, f'fñ¡d by scHoTrEl
S#Sd#FFtrf,
for the Shipping World SECLRI,IG TUGñSBOW rcWL]tlE TO VESSELS BOW ADVANIAGES: Slrorte torrflne makes tr¡g raact btarto pllots oders Alter rerlrrlng speed: tug can come abngslde br bor or sHe pushlng BE AWARE YESSiE.'S BOW HIGHT BE BLOW}I BY THE WII{D TOWARÍIS THE TUG -
Wten ü|e tug lras good G(rrso stabl[ty stdnmys, lt ls a saÉ maffterr\fe up to abt. 6 kn. o¡ elBn mo]e h 1¡¡s cage a corúol$le+ftch system ora propellersnpp[€ derlce b a gmd adnntage
Tr.tg ls slple¡ed brtgr Vessels hea{rB llne esüy
- lf speed dfofftt: the qltsHe unlt stop or \afy slowastem -' Us! mdñy $e lns¡d€m¡t - As ft glros a sfigtt{mmrd motpment the headlng hs to be somewñatqttwads-
THE NEXT TANOEWRE IS I{OT RECOÍII]TIEIIÍED TUG I.ETS VESSEL TO APPROACTIIT
lt'
gets mboad
- Tlis con{igulatbn allows the bovto oomein wry close In a sañ waY facilltaüng -towllne handling - N.B. In case of a s¡.dden proHn only the-otfsÉe mlt l¡as to be ¡f ( ñ.il ) astem and togetherwlth the qrtu/ads ector Thls ghes a safu escapeposslHlfY
TrB is In unshelteradrrater and staús to roll A trasse displacernert is corüdled by: - r¡slngone udt * a time - Saillng under a slight arBle
l¿I€+ ! J + l-cftf _¡
-' :-' -' jr¡_--:,.-ffi,-_..r*¿iT-i
- hcaedhiohHlettn¡st Squeezhg ndderpopdlers to almost ne¡¡üd requlns endne adJustment to keep orr¡rse - Be arrare: Wfth or¡twds sq.rcezed popdlers 'lt b hard to keep cotrse stemwaYs - Tug sffis to behave Yvith less cot¡se stabllfty
- A sliglf oot¡¡se change of the wssd ns bqit many metes necessltaüng ttbpbce üte tug r,nast6f to rspcltbn tha tug
gqEEFSSEF
Rl. sh3.r No. 0r!, SCHoTTELAsD. Pfht¡d bt sclloTrEt
S#Fd#TTffiL
for the ShipPing World , DANGER flrcEilGYSTOP Keepbdh enginesrunningdú¡ll speed Tum SGIIOTTE- units or¡twads in astem modo
in the same Tests shorad 120 to f35 dogf. SCüIOTTE- pciüons to stop the ressel pcition sctloTTEl8o degr. a complete sttortarrtan sligtrtly distance d¡erBfi
=====:==:== MOVE HANDLES SLOUTLY====!=======
Thc sGl|oTTE- unlt nw l¡ aH. In ür¡ samr pocüon a¡tñ¡ ooPlLoT sGiloTTE.UNtTswLLt{oT@FASTERTI{AN}rYDRAt'.|cSYSTEMSAtlow Son¡eSGHOTTE-units traraa shoÉest
BERTHI]IGCI-OSETO DANGERz)NE
i I
Kep away úorn darBer-zorn or both. Depending on speed, wind eúc. use P.S. unit astem; s.B' unil ahead A small prlse with P.S. unit ahead wil¡ be srficientNow a small pulse with S.B- unit brirBs the boat in' A prlse with P.s. urit ctem will stop the boat and bring it into the berth' 's us of lt atreys present: t¡k¡ No!¡: A trasse compmert Kecp lhc boat parallel to the bcÉlt poulr l¡ ¡vailabl¡ lt lr alwa¡c pocdblc to forcc the bow into lhc A¡ ¡fident rlglrt üroctlon.
..-lesl'''
l!----'P-
I '
i
ffi-] s i f
$c¡'torTELi
@
Í
Page 9 oÍ 23 R€f. Shest tlo. Ol3. SCHOTTELASD. Pthted bt SCHOTTET
s###trFtrfl for the Shipping World Encerclse to estfmete tlE ün¡st rEessery to pt¡sh a certaln \essd an¡aytom the óck
6
;-
**,-:-.._+
tEessdv
l-""-l stop
ln¡el
!..-L+r!-
-
J
I rua
is stopped by I n s.o.rrg I
I
lS.O.fud I l-pl
tries to get stenurays In frort d bolfl of ln rrdrto stnn il
A good aerclse in smdl sril ffiirB
t-
lrucl Hels a¡esl hdgH il b useñ¡ ard s*
| ¡,s.o.r¡¡gI I ls.o.rug I
As.o.rug I istmeduv I ruc hritieiltyl
I
I mo to gÉ a 90 degr.argile Thetowlineis to be kefl in a straigftlirc in oder nd lo'infuenoe' ttecoursed I TUG I Startd slorspeed:Repedthls marpeurcaen orgr6 kn.speed
I'-As.ur.rg
VERY GOOT' EXERCNSE IN BOAT OONTROL
,l
s
r"¡
'oÍsJrLs_te_en Page10 ot23 Rca.Sheet No. 0r3. SCHOTTELASD. mFd
by SCHOTTE|.
S#FdffiTFtrf, for the Shipping World (r } PTLOTSTXFORXAITO¡{ = lmgnlngssel Conarll¡nC tug Azlmúh Stem Drire ttE
ASD b a trig hdp ro the dld c il rcsponds m¡rh Herto tds tt¡sr a OOI|: lt allus a VSL to enter tle porl fester and ls less by th€ VSLb propdler wd
isl kn.asitsmnspeedisl3knlhernaste f.fle"aslerntr¡gASDbóletosecurfhetil,l¡reuptoll to compcrsde ór propelterrrakc and n¡üer motmeñts while secudng thc todim: so the plU I \!rbh can push tu mrAV hampered ry the ASD. Ur¡der lnoulaUe clrcur¡stapcs the well Éndered ban I lsgrirst the resselb st€rn to Éc¡¡itáe towllrc handllrg. lmrnediateily dtr securlng tl: tovllra the ttt(| | lis aallade ft|r th€ p[ds oders. DependrB on tonnags *rd epeed, emergercies are dealed wtth Ésterl slourer but n'lthdrt any bss of tlme and dvualrs In the corect dlreclion. Herdly any steb¡llty groUem I -. lor momfi[ anf ldderpopeller momeril climlrtde each dht penry or cdnd€fcfy. láScs as toudinc I t l fovlineis worke ererBrsetnctctrBurhenlt***cot¡jicstó¡llty6tem. f"\F*t,rgiúU"t I to hade- ls fander aluays po¡nts to YSL: lt responds Ésterthan in sltuation 3. SecrrirB \Jlee*c I tery tlas to swlng lo ba witen VSL usetu! ls especlally pcsiUe rp to I kn. Tlds marculrc Itortirr I there ready to push as tr corfiob the toudine by ttn borwirph: ItrrcnGdsternuays b the b€rth ASD is I ürrs m rred to wan br VSLb cr€ut to lá 9o the tillirn. I Irs Still lt csponds faster|hen CON. r¡sed ln a conertiotrlway
is sa3r in this posllion el€n lf VSL trrns to P.S. I respords much bster. lf VSL glws 6tem: ls less tranpered by the popdlerwaka e it b aUe to cqnpemete fs lt'
ttds pcltiqr lt respmds m¡.ch Ester. Af 3 Knb speed lts eficiency b twice as mtth comparcd OON, The hlgherthe spee4 the better [s e[iclency. At 5 kn il is betterto r€d¡ce the 90 rbgr. angfe: rnoo push compment b ldl ar¡d the hull acls as a slde n¡dder.
wltlrat a brlb can be stopped: cdttect speed to be kept bdm 3 kn. Pushing lrto a drydock can perbmed beslde VSLb bulb wlth 2 towllnes.
I Dtsernbart¡rg plld. Thls ms¡crrrlre is sder and eaierbr leaúrB the VSL especially wtan lums to P-S. and Increasessped orls bh,n by the wird to S.B. (in thb case). Mote deck sPace I ls el|'n pcslble to B¡sh agdnst tha VSLI side. lts elficbncy ls asllable brüre püof lder.
SCHC ETNEM
Page 11 of 23
. ; Rsr. Sh!€t trlo.0'13,scltoTTEL Aso, ffilgd
by sclloTlEt
s#Fd#Frfff, for the Shipping World PTLOTSrlf(ntAnoil
(21
can be mo\Ed In any drcüon: skleu¡ays and a lum on fhe spd to S.B. The 2 wlnch wite pruúde fiff secuttB aÉ keep llre
fá \ \--t
lrco d'*" a stra(trüdreadmcreinerrt:tt b aue lo pushsldetreysandlo pr¡tl. I
I
pu[ ¡t. FSO p,rst*" siderralp: ft ls de to stop VSL or to I
I 60\ \/
G)
ISO scuA be rrod lfl
fSO
bea¡dethe bulb urith 2 tqlirs: sl&mys by a push ora plt.
n b abb to pr.rshahead or to pr.dlctem. VSLI Ua.r I I
only. is aUeto push wiürd¡ torc*riq¡ a ligü|. smalla n¡r¡erabte boalby lts propellerurake
t
I
t
F"rS" is secured easlly Dy 2 ( druü€ tr necessary ) wirrhlines only. Any moc wtric-trb peslble by I ASD b also f¡ossiUe nrith thc rnt, tt¡qrgñ slmr. F¡ --J gire subtanüd shelterto a bet in dstress. Waes wlll be r€duced slgrüfcanüy by &le to * l*O F,¡rB n¡*peeCthn st. ASD emains tlly manmrrabb. IASO S able lo celm srells in lts pr.rshzotre on VSLb winthand slda. I
Page 12 ot 23 Rd. sh¡ei Na.0l!. scHoTTEt AsD. frited br scHoTTEt
s#Éc#Trfff, for the Shipping World t IRECT PII-L f ¡I'ID|RECT Plrlt
I}IDIRECT PULL Elbcthéurith srASDtug oer5 kn Tha rolnd bow ha little reslstarre in the $Eter llil et knir speed.
Élslqed
-D.t¡rym$r oar 100%
STABIUTY SCüIOTTE- nrúts gis P.S. H.X. Tm{1rc ghes S.B. H.I.
I .J
Pdl under
I
I STABUTY Bor Hege Tte SCIIOTTE- untts 9ñea S.B.llediry manerl ardtlplour{¡ne glres a P.S. Hellng momerl: so lhey pailly elmlnate eac|¡ dter.
--..) -l:-[*"o*.*
_<
.)i,-o-'*.-.''-:'fiq--,..
-.--:--<
.,-4
DIRECT PULL Eftcthrutlh an ASDtug mder6 Kn. ot€r 6 kn an ASD tLg ¡s nd able to tum 90 rbgr.
..|j'<=.t''*.." '"1'<**,--*-.
Éom lllDlREcT PULL to PULL rcqulr€lercrt c.t€
Md
s:--jJ
*:ij-'-'*-' . 1
,*.-\=
..
f
.-.':j'----'*.... -'. .J,lo-o'"' .1 ¡.+l::_
When esselb speed decr€ases to abo¡.rt6 kn Ya¡ hd betterstail the mano€iníe as the hlghaspeerl you to reep the todine tigtf . | _¡.1¡r"
- . ' .- : 1 .
. iwrt"rr*,1 ld¡rect¡onI
TUG BRITTGSVESSE.'S STER}I ITTO A }IARROW OOCI(
isrER!¡
|3J
I
J -1/
Tr¡ prepaes lts pcltion Notlce lt to be a klnd of a side-step: lt praants the boir frorn gdng to P.S. The twllne remaim ln rcssd's centedinq not Intuenclrg pllofs steedrB
l-P-lLil h thls posltion we oty brake thceselb speed
'
l=gJ As soon as tt|e trrg ls free fom the dockb comer it ls able to Mng theeselb stem in
| ¡ I
¿F,F-E-1
€ty¡'
I
Y *Fq
SSTfOTTELi
ffi.Rq€?F
I
Page13of 21 * Rd. she.r No. 0t3, SCHoTTELASO, pftr¡tedby SCHOTTET
"s#Ff#Trfff,
for the Shipping World XORE IA¡IIOEWRES
SIDE PUSHI]IG
Side pushirg when insuñdent roqn is lelt br a perpendicular pcition To axid too much übration wa make P.S. popdler mke miss üo S.B. tnit The efficiercy is about 85%
SAIUI{G GLOSEALOilGAI{ O&'EGT
iii::::,nr "-""'""'i:
Whensailingclce abng a dock or tessel: Watt le€l go€s down;this is mote pronorndedas speed ilrcreases Suppce only P.S. unitis usad llJ
Theefrcn will increaseby the irtuards tra\rrse comporent
IEJ ThetrTprse com¡ronentnow is ottrards tug mows out At knv-speed: -.s At highspeed:tug moes in
STEENNNGASTERN IIGHT GNEA ST'RPRISE
Poor watcr strpply to üte propeller when ürg ha¡much
Somdimes in astem mode this configuration makes the stem tum to S.B. instead of P.S. as expected ilozzl¡ wot{¡¡ now as a bnke: lt als glvec e *lng moment
S.B. nozzle produces less thrust because of porwater supdy and acts as a brake giüng a S.B tumirg moment
Be an¡are of this efrct and no prúlems will arise: Auid this sitr¡ation by steeling with boffi units wtren sailirB fast astent
SupposeP.S. popellerto be buled GiraS-B.unilsuficiertthrust Kep tumingP.S-unit Popellerwillrunin bdh dircctions and debdsmighübe washedout
Rd. sh.d. No. ot3, SCHoTTELASD. ftrt¡d
by SCHOTTET
S#re#TTtrL for the Shipping World SIDESTEPPING
U}IDER AN AilGLE
We are asked to mote frorn the r,esselb bor to tln resselb stem Beca¡se of tñe blg dbtarrce uE mtltÉ obllquely as lt makes our speed blgger then a traterse mow
The rulttdepropelbrconfls¡atbn loolrs sknllar to a sHeetep: only more thr¡¡st b neededastem. By remalnlngnry close tothe rassel wE save a ld of tlme
A SDE MOVEATAN ANGLE GOINGASTERN GOES MUC}I FASTER
Thb mowment alfovs us to mmaln wry ctce to the ssd e\,Bnurhenlt mores sr.tddenlyln ntñatewr dlmc$dr When we approÉrhotr pcltlon we harp to brake our slde speedand swlng Into a peperdlcular posltlon Belng wry cbe to the ssd, we wont torch lts hull too hard tf bod contrd ls nd perbct SDESTEPPT.IGUNDERAN ANGLES ALSO POSSIBLEGOING AHEAD
flBARI$NG
' DISETBANI(|NG PILOT
Sfongwird
Speedahead:2-6kn. Tm slom Vessel nfb too much. Tm ffi: Water spray wets boardlngzme.
l'tanoeuwE trasto becitne.üiir"rult enable th€ t g to lea¡e the ssels s¡ii-ebren wi¡en lt has a goott sftle speed.
d
A"
15 ot 23 R¡f. shet
No. 0ll,
scHoTTEt
AsD, ffifi.d
bJ scHoTTEt
s#Fc#Trtrf,
for the Shipping World ASSISTING STALL VEISE,S
( lneeosgmc nae lenanre
tlús u¡ill be a tmtese
.. .lBor todirr_stnneneOI
stimde the resselb eslstance pcÍrl .9. An empty wsselb boil has mrch less altstüp wlth rudder ¡t needs ptshirg ulell
By uslrB the qtsid+t¡nll the tr{ib bori, comes o.t sligürtly rnrc
\€ssal lee\e lfHs confguratbn makes the berth sideil¡ays IttE
I I
Rsa.She€tNo. 013. SCHOTTELASD. P?tfed by SCHOTTET
S#FdffiFFtrfl for the Shipping World WITH OIIE UilTT O}ILY Polnt dAppllcatlon d u,ator r€sbtarte
lrl Itl IEI At speed 0 orvery low; lf speed inceases: it loks
Trarersccomporerü Longltnrlinalcofliporpnr Thrustdeliered by SC}IOTTE urút
BEAWARE compone nt ls alweyt Ptl$$t. A Cdc$p
THEORENCAL Supose thc propelbrwakc doeg rd irúl¡nnce the mopmeil.
lSl
Propeller-uake brt¿ against skegr
lFneru-¡w
At a oerta¡n R.P. arBle: El t" compensded by the bigger SCIIOTTE- arplewhlcit gfs a result slmllarto the theqetlcal mmment thorrgh less elbcthp.
Notice: trVlenboüraheadand astemorfigrraliors appliedatthe sarneüme in a side-sbp wittnut a trning npmerü it will resr.üt .o.A UYATERRESISTAI{CETOVES A}IEAX, StadrB at speed O the salling üretlon unlt. be in line wilh rhe sclloTTE
will
a celtaln speed the tranerse resistance is brexample 3 x tñe longitf¡dnd reslstanc¡: Deúdion will decease end to a tuming rnomeril the RP. arqle has be decrcased.
boatbehaleso,t ld is moed ttE bow. SCHOTIEL angle ha to ba to keep the Thrct \cct$ the Reslstance rector in lir¡e in lo aroid a tumirg motnerl. TOWING WITH ONE UlllT O}ILY
( Noturnirg moment )
.S,SCIIOTTH- erEEgEd only ( astem )
tou¡-poet
Tc¡rirg astern wlth P.S. SCüIOTTEonly: Notlce bqrtrytine tlas to be in fine wlth P.S.SCHOTTE- and Bmtmpct.
ahead $4th S.B. SC}IOTTEL stem tcrvline h6 to be in lirp erEaged onty (ahead )
Page17 ot23 Rf. sña.t No. ol3. SCHoTTELAsD, Prhtsd by scHoTTEt
S#&6#TTtrÉfor the Shipping World OPERATIM¡
SCTIOTTE. BOATS
ITPORTANT: A SGNIOTTE- boat is supposed o be operated with cl¡¡üches engEgpd as much as pcsible: This saws the clúches.
All manoeuwes can be achiewd by mo¡ing the COPILOT üa'nq¡tral'.
Slowastem and tum to P.S.
Houewr bs a¡vare thd if idle erBlro speed is high: ¡ Wder turbulenca can hamper own manoeuves and dher crall o Propellrrdce makes wats rise bdureen boat and (not open) dock or rcssd makir€ it hadsto go almgside. ¡ Debris might enter gopelles morc easily in shallow rnter.
_ ¿ ' Workirg¡Lrlpñes' in ttrosecasesmigtf 'bé rsefrll.
tr
Pcúr¡tof application uater msistance
tü TraeiseEtor l:!l$
Lonsitudinal Fctors
l,lotioe:A sidemor¡e as shou,non page2 is a onüination of both preüousfigues
t
1.1¡¡r* lgl.ririna. [l
muctrusser
eachdher
s#sd#Frfff,
for the Shipping World scr0TTE- |.HTS SCIIOTTE- U]IIT ROTATIOf, O(XPARED WITII @PILOT ROTANON
I
FoP¡Lor Ihb poirú matctps the SCIPTTE- pciüm: The rncter has ihe
)
IN H]S HAI{D. f fnGHT lolr b|dtr io simudde an a¡.¡tomotilelering systern hl it has to be '€alizd iil only worts dl€ed on a sterrdrisr sseL I roils wruq uñen sailirg astem or marneuring. ntren sailir¡ streúgürt TtF b¿3b n¡le dSCIIOTTE- ssd sailir¡ b: THE @PILOT lS llOT A STEEilNG WIGE- Bt¡T I l{AvE Tl{E PR(PEr.ER ( Al,lD N CASE OF SAtUl{G A}IEAI} TI{E R¡l¡ftER } lX IY }lA¡{D. nÉ ri,ay my mind b nd occu¡id with the compu lirltags bdu,En the SCIIOTTE- unil and th€ OOPILOT ASD trrgp ( ASD ) and Trdc tr4s ( fT ) cqnpare¿ tectr ¡.s bG¡cally b rcrt in the sane way if br COlrFlfR ASD AS A REttERSlp lf. : simdicily m skip sorne núror dÉfBrpes. :
wfls eú I ñare to dlarpttrc
bowwiús t&lul ñngof¡om $aning roÍdliol,.
to
,Éü, dfar,ga fio¡n bawuús lo sta¡ I llcrw to dtarp lte ft$ boweú stan *púúo bdhtypes o{tt¡gs ffiialdy. Coblems rpwbnretes
We hope thb short explanat¡ondarifies wtry changing the normalotation of GOPILOT and SGHOTTELunitonlycausesconft¡s¡on, espec¡allyformastersdrivirg bothASD and TT. The rext picturesshow how both types of tugs vuorkalmostin ñe same way
l^tt*. ü: rrarimurnsi
.-.--()
WHFF 1IOI¡SEFLOOR
IMüe
marneuwFrga rudtlerprop* t¡g b based thb princple lslrws ttc lmprtarre of üa posltbnmatchhg the SCHOTTEL The SCHOTTEL posltlon hdicdor is b
the SCHOTTELposüon
¡¡
.e+l
ffi r @ scHOTTÉL| **rrnry
i
Page19 of23 R€f. Shcet No. 013, SCHOTTET ASD. Prmrd bt SCHOTTEL
s#trffiTp-trf, for the Shipping World sT(P VESSE- AM) Pt Süt 1T¡rl
"'E=,I
t.. /,-:;i:,. \.-iÉ
slak literrdl m& bdr by rnanann¡ear¡d It urdl t€¿ torn wsselb
Cltffi"sn*l
0x
Oll.ff'""*'
I
i
'!-h:
slack llne uell ur¡&r boür bt mare¡¡read rrc
il rellfree frornpsselb
el Xsi
ndüra ard atum.
5$:
I t-'
*iF l
Tt¡ulilrEssE-'s Bow A¡f, Pt¡s]r IT rN '*
x--LJ
Keep slack llne u¡ell urxbr control bcllh ry mar¡eu¡eand wlmlu
:::+r|Jro,x'xnx¡
:: _ . . :. .: .
! l'
I
.l
x!
{11
l ' h \
to ¡fhfs Itesnonse lodets.
I I
cltre"sn"l
I
Olx,r.eswsse* | Keq sbck lineucü uÉr coñtrd bcñ by mrslleand
Tmline ls sMened wirrhto ghc tast lo Clcfs
qrffi;-l Ollgtr#:nl pr¡sfts rcssefb inn'lthama.
STOPT'ESSEL AND PUSHT|TH
Page 20 of 23 RC. Shes{ No- 0r!, SCHOTTETASD, Prhsd by SCHOTIET
S#trffiTFtrf, for the Shipping World To mocthe t,tr¡ltsidmys you can lmag¡rt prlling lt on a string nrh¡ch b att*hed to A Conñgue both SCHOTTEurits so tH thdru¡ork wctc is In lire with the imagirary sting.
Small empty barye with some slem tñm
tr ld MaKeSB.SCHOTTE. unltb wake miss the tugls hull.
lsj
LJnitedpoinl d ryplicdicr mt€r Gs¡starrce Traerse tiectú Wlr¡ch line As the strong winch llnes are wry tlgtt, only 2 are needed.
leneeoruoveI
rL I s.e.runnI
(-l-
i
FFrr-l
W f
drffi¿q*
i
SCHTTTEI-
Page21 ot 23 Rd. Shest No. Orf. SCHOTTELASD,
Prhed
by SCHOTTEL
s#Fd#Trtrfl
for the Shipping World REilAR}(s OlI SC}Í)TTE- PROPTX.SIOil SGIIOTTE-h¡os abor¡tenglne lde speed ASCHOTTELT¡g b supposed b be employed as much as posslble wllñ lts dutches engaged whidt requires lhe englnes b be run at bw ldle speedlulanytechnlcbns unfamlllarwllñ the use of SCHOTTEL hrgs howewrtend to: - Arttust idle speed bo hbh b be on the saÉ slde wllh englne dropotttwhen engeglng. - Use an englnewhlch ls ndable b copewllñ'normat'klb speed.(30 b 35 % dma:Úmum ¡¡m.) - clrocethe clubh bo wealc so ltruns hotwhen engaged bo manyÜmes. - SEw money by omlüng lhrust reducüon sysbms. - Blame the ürg masbrwhen he uses tñe dudps idlespeed: too ltsssTheoreücallyltls posslble b make anymove bysbedng and throtülng only,while cluH¡es ¡emaln engaged. ldle englne speed: Be aware thatespecblyathlgh - ibre watert¡rbulence hampers own ürg and othercralL - ¡tbre tlable b suc|< debrls Inb lhe propeller. - Higher fuel consumPüon. - lvbre übraüon.
tess engagingmanert on clutch Feuerergagirgs l-ess watc t¡ü¡lerpe Loss fr¡d corsum$icr l-ess damageqr dock and bnders S#rbr masterandcrew
- tbre atenüon ¡reetteclas trg mor/BlsconÜnuouslyEwn afierwalüngftlran e¡úendedperlodof üme itsomeümes happensürata dellcab manoeuuofalls becauseofwabrü¡ñulance and tñe clutcfiessüll haw b be used. Some masterc hare found thatwabrt¡rbulenca can be mduced signlflcanüybyuslngtte SCHOTIEL unlts In an Inwads posltbn accepüngtñe lncrease In vlb¡atlonand e¡üa fuel consumptbn, as the englnes audlblyhaveto wort harder. Suc*rposlüons are b be arolded as tñe wabr pr€ssur€ mlght damage üte seals of üte undeltaEr gearbo:<, espec{allyatIncreasedenglnespeed.( See also SCHOTTELmanual } To reduoespee! ortenslon on tñe bwllne the SCHOTTELunlb are b be used In outsldeposlüonsin orderb awld-them woülog agalnsteach other. L
When udrrg tñe clublres Bear In mlnd abovemenüoned¡emarb and Outclúrg in /or¡ttoo much is rpt tm goodbr ddches Vibrationhas to be awftled $ñen possible, Fr¡d conswnptict dsocost rnceY
Exdnple: pullat RPM(max) BP=Bolla¡d = RPM(dual) = FIPM(mar.) M Thrust = 1(X)oABP x A2 lM2 Lrsr¡d : flXX6fll/180018m = 11ilo 14To : This pcitim must be a\dded It mightdamageseals It ca¡ses übrationand ewn e¡
Water turh¡lence hampersown tug and othercrafr Uableto sr¡ck debds ¡rúopope[ers Morcfud consumption A\oid inn¡ardsSCüIOTIELurit positims greaterttsr 45 degrees
Rú. Sh.et tro. 0rl. SCHOTTELASD. F,ñed by SCHOTIET
s#tr#Frtrf,
for the Shipping World SOTEIAT}EHATIGS FORCES ALOI{G WORIO.INE
I w l= = | m,otwrorreprrcecI aoq¡uto*line I I =¡ P¡opelbruakeI lewl=
XOIEIITS lPo* l= = PolntdApflbatlcr
POIITOF APPUCANOil
+)
"c: €; P.o.a I
* l.ld r @)
H
V Moments wilh
= l+2rr.m.l = l+2al.m.l
¡"ue I p^o¡" I l-45'rrnl
PROPTTLS|OT{
le.s.
eroe"rrer Force
Veilical
¡i"G.D=l-sr'*l Resdtlng Astem Forca: 3 T.
I t ft (r,D =l -zr.'. I
Verticd El El =l*, Resultlng P.S.Traeee Fcce:
Tr*".7
lt ltQC=f
+ 6 r . l nI
E l * ( r D = l + 6 r . mI . T+1rr.*l
I nmeansa Rfuirtr.rtt¡ngrsÍerr + 2T.n
I
Force ghes an accelerálon. lf the tug does nd accdemte (and twn) anymorc n tte Force (Resdtlrg Pmpulslon Force) end the (HrIl Resifance in rder and / a Tqvlirc are equd ard ha\t oppGert drect¡ons.
Page23 ot 23 RC. Sñect No.0r3. SClrgfTEL ASD. Prhsd bt SCHOTIEL
r
i
I
I
