S#Fd#Tflffiflfor the Shfpping World

MANOEUVRINGINSTRUGTIONS

S#W#TTtrLfor the Shipping World

A.S.D. Tug

AS.D. Tug:

Tracbr Tug:

@I{TENTS0

,l

2

3

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5

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8

,-/:-- g-

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1 l

12

13

Az¡múh Stem Drñett¡g: SCflOTTE- ulüs elt

SCIIOTTEL urüs h$e bflY

@I{IENTS

PONT OF NPPrc¡TPN THRUST PIVOT PONT: RESFTANCE

BAStrS

A ROUGH DEA ABOIJTTHRUSTESCORTTT.|G.

VESTORF¡ ' FORCES

A FEW REMARKS ON PUSI-I.PTIL MODE

TOWAGE STERiIWAYSOFFEREI{CE BETWEEN BOW AND STERN'IOWAGE

BOW TT'G TOWNG @IWENTIO?{ALLY

BOW TUG - Bd'I' TC' BOW

EMERGENCY, DAI{GER -} -

É ¡ r = - . E - -

IE)GRCFES

PLOTSNFORTTiATPN (1) .-

Pr-oTSNFoRMATON (2)

DRECT PI,JLL I NDRECT PTJIISERN TUG BRNGS VESSELS STERN NTO A T{ARROW DOCN(

MORE MAJ{OEWRES

SDESTEPPNG UNDER AN ANGTEEMBARKNG ' DFEMBARKNG PLOT

ASSF¡I|i|G SMALLVESSELS

SALT{G WTIH OTG IJ!{fTONLY

OPERATNG SCI{OTTE. BOATS

STEERNG S�TOTTE. I,'I{ÍTS

STOP \IESSEL AND PTJSH fT NTOryv VESSELS_B?y Al.lD PUSH fr lN

BARGE TOWAGE

REÍTIAR(S 01{ SCHOTTEL PROPI,LS ION

SOü'IE IúAIHEMATESi

Dodrecht. llollar¡d: 20 Febr. 2001

i

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15

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zo

21

2.

n

RC. Shs¡t Ílo.olf. SCHOTTELASD, Prhsd by SCHOTTET

S#W#TTtrLfor the Shipping World

OF ApPUCATIOI{ TtlRttriT: PIVOT PTOINT: REIS¡STA}ICE

f PortsidesGtloTTELunit

E starbord sGlttlrrEl. unit

lal

IPPJ

Point of Appl¡cat¡on of vuater resistanceat speed 0: lt is inluerrced by

Sp€edDraltTrimRate dtumetc.

It mos cmtinuosly

Phot point

caused by

E)(AilPLEOnly P.S. unit in use

the leüy

Lener

SC]IOTTEL thrust

i;r¡tcrn SGIIOTTE-angh:h t o Bo¡t r¡m¡h¡ In ltr postlon beca¡¡s¡ the

Itagahst ol Apdhadon of thr SCHOTTE-

lE are hllr¡

f¡ sU¡ swlng In to

lland P.S. ebngsldc ür ¡etty

Page 1 oÍ 23Rt sheai No. 01!, SCHoTTEL AsD, hfrrd by scHoTr Et

for the Shfpping WorldBASIGS

S#Fd#TTffiL

td Pohú of Apdlcatbn dur*er mslstancaat speed 0: t ls Inflmncad bY

SpeedDraftTrlmRate oftumetc.

I moles cor*innuslY

Propeller wake hlts tln skeg and h¡IIniluerclng the mowment

T?rdrgh thb configrdlrn glns asmall¡rhawrse tectc T¡arese sPeedmlgt* be etBn mc€ as PoPclbr-uake does nd ht tlP hull

:.

TlIs ccrfiguraüm glws a smilert nerse recton Ttasse sPead wlll besmallerN.B.: t ls an lntetmedbte Posltlonbdupen tt¡e maxlmd trawrse wctorar¡d the neúral Posfihn

THs ccrfrguraüqt dso ghes a tnwrsemowmerf: t only b efrctlrP urhen P.S.Pmpellerwake mlsses tln skeg

Neubal posltlon:Tlreoretlcally üte tug emalns In thesame pcltlonPractii:ally ttn poslüon b Influenced by

WlrtdMlnorthn¡st dlfrrences

Page 2.ot 23R-. Sheet tlo. Ol!, SCHOTTEL ASD' Pthed by SCHOTTET

s#w#Frtrf,for the Shipping World

for the Shipping WorldSGF##TTffiL

S¡m tug undtr 90 d¡gr.

Rudderpropdlr configuraüonmakes P.S. propellerwakemiss the S.B.unit

Vesel l¡b¡ah¡d by bow ü.rg wllñoü t Goullt cfrengc

Page 4 of 23

S,B. tumirn moment:

lr l ' la l. l i lr lu IS.B. tr¡dderpropellerhas to conect it rith aP.S.trning manrsil

LeJ'LqJ

Rf. Sñ-i flo. 0rl. SCIIOTTEL ASO, m.d by SCHOTTEI

l{dicethe difrlerrce inthe tvYo configurtiotts

It stprvs roo" |!lto be more efrctiw:It has a longer laer

for the ShipPing WorldA FEW RETARI(S ON PUSH+T'LL IOf'E

S#H#TTtrL

,4.

1Ef rdld E'l

tilThrust norn both SGIIOTTE- units

Trawrse coítponent

Longitudind comPonent

Une brce and / or Fender tiction

Water esistance

lsllsl * lgl

lEEl

tEltilleJEJ

:II

ffil5 lr ^@Glt i

SCF¡OTTEU

Le\erd lil

LeEr d

x b J =

I_Egl ltdf the ressers breadth

At a certaln sPeed lt ls Pcsibb that:

IIEJ 'l!El ' = lLl' bJNow the tug doesnt push to S-B- anymceThe ressel ewl mlgütt tum to P-S

Reduce tug! Push angleHullacts as a rudderProfileLongitudinal 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 hulWake escapes easieralorg eselb hull

Page 5 of 23RC. Sh¡.r t{o. ol3. scHoTTEt AsD. htt d by sc}loTTEt

s#FdffiTrtrf,for the Shipping WorldTOWAGE STERIIWAY'IS

Secuirg ls mrch easlerlld tnmPared bY bt¡b orchaln

lf *ell l¡ mod¡nb lnd notbo mudt wrbr enbtsü|gq3 aft declc

Yc-f¡ ü¡rn end rpeed ¡n b¡rked ullñout dtngrr ñr tftc tu¡

ltb da,Eer tr dftfE beca¡¡se the glrtlrqrlowline rDment ls br a gpod paft elimlnated

by ths rldrüng nderpropdbrmdnelt re belorg'.ror ¡f tÉ t,& W bttO"r to¡,Ehes the tcssd: no danger arlses and damry uodtl

be mU mlna; Íg[U.Towline length ILI depending on ressels slze and borl shape; swell

and expectert finC speed : 30 up to SO m- i

(

Vesscl unrbrgood speed srlrtarÜy swlrgs to P'S'

Tug now ln a good pclüan to corpct tfn swlr€ In a s* uay

RÉrÍt dcpenG on speeq tonaga ard thnrst

Twllrp b slPlt* tug r"acts faster

Let gobwllne:

Tou/lne doesnl dloP in ttc sideTowline camd er¡terthe PoPellar

DIFFERENCE IN BOW AI{D STERN TOWAGE

lloüce tlre dllfcrencs In dangcr br

br and S¡rbutg¡ In ü¡l¡ca¡

--ir-'

Twingfronr bow: torlirc angle issllghtly less at same distarre

In swell: less ueptf 'blls'orto the tmdine

Towllrp t"m U"t" I

Uneforce giwsPrcpetlerbrce gfrcs

Heellngilornenl

\.1:':--

Tr¡g's *ffibtrtmlgütt torchwsseFs htll

sfiltqtdanger

Pusltrg slth towllm sbckedovuaY

Page 6 of 23

gtves

RL Shed Xo. Ot!, SCHOTTEL ASO. Prñrd by SCHOTTEI

-J------l

,¿----'J.+

s#tr#Ffltrd-for the ShiPPing World

BOW TUG

TUW lN G CO}IVEI'ITIONAIIYSECURIi.IG TOYÚLNE TO VESSELE BOW

Tug aPPhes ressd tqn lee side

BE AWART VESSE S BOW TIGHT BE BLOWN BY THE WIIf,' TOWARDS THE TUG

Tug is longer shelteldVessels heaúng line easily gets onboard

tn cae d h!Élsile üUuS!:Sqr¡eezirg SCIIOTTE-{nits to almost

net¡trd asks f¡r ergine adiustment to

keep cotrseTug starts to bel-¡ae moftt course<mstabd

Tnaresdispl*ement is cottüdled by:- The use of one engirc at tfb time- S[gütt changes in headirg

When lde ttrrustlsnotbo hlghlf speed alloua: the insile ur-E stop or

dead slw ahead ( 15 degr-ottw')

Use tle outsirJe unit onlY'- - A" t fiws a slight ¡ni'arühorement the

headiq_tras to be somervtlat outwards

The nert manoeuürE ls not mcommended

Tug lets ressd aPProach it

Tlús configunation alloue the stem to come

ln rery close in a saÉ rvay faciübüingtowline handlirgN.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

Tug is in unsheltered water and starts to rd

- Vesselb bow+ae tends to push the tug awry- A sligtrt course+frange of the wssd

dbplaces its bow mtry meters rccessitatirgthe tugmaster to reposititxt the tug

- As much more wind blors in üor¡t of the bom

the treringline mi¡ht be blown ¿¡wly' specCuf,ren tle bow is wrY h(¡h

Page 7 ot 23Rf. sm.r No. ol!. SCHoTTEL ASO, f'�fñ¡d by scHoTrEl

S#Sd#FFtrf,for the Shipping World

SECLRI,IG TUGñS BOW 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

- 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 somewñat qttwads-

THE NEXT TANOEWRE IS I{OT RECOÍII]TIEIIÍEDTUG I.ETS VESSEL TO APPROACTI IT

Tr.tg ls slple¡ed brtgrVessels hea{rB llne esüy gets mboad

- Tlis con{igulatbn allows the bovto oome-in 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 andtogetherwlth the qrtu/ads ector Thls ghes

a safu escapeposslHlfY

TrB is In unshelterad rrater and staús to roll

A trasse displacernert is corüdled by:- r¡slng one udt * a time- Saillng under a slight arBle

l t '

- hcaedhiohHlet tn¡stSqueezhg ndderpopdlers to almost ne¡¡üdrequlns 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

l¿I€+ ! J+l-cftf: -' -' jr¡_--:,.-ffi,-- i

-' -_..r*¿iT-

_¡

- A sliglf oot¡¡se change of the wssdttbpbce ns bqit many metes necessltaüngüte tug r,nast6f to rspcltbn tha tug

gqEEFSSEF

Rl. sh3.r No. 0r!, SCHoTTEL AsD. Pfht¡d bt sclloTrEt

S#Fd#TTffiL

flrcEilGYSTOP

for the ShipPing World, DANGER

Tests shorad 120 to f35 dogf. SCüIOTTE- pciüons to stop the ressel in the same

distance d¡erBfi sligtrtly sttortarrtan a complete l8o degr. sctloTTE- pcition

Keep bdh engines running dú¡ll speed

Tum SGIIOTTE- unitsor¡twadsin astem modo

=====:==:== MOVE HANDLES SLOUTLY ====!=======Thc sGl|oTTE- unlt nw l¡ aH. In ür¡ samr pocüon a¡tñ¡ ooPlLoT

sGiloTTE.UNtTswLLt{oT@FASTERTI{AN}rYDRAt'.|cSYSTEMSAtlowSon¡e SGHOTTE- units trara a shoÉest<oute system

THosE uMTs rAtcTlG slpRfEsr RourEwHEt{ coPtLors Are tovED ovER lSll degr-

CIGCK IOW YOt'R SYSTEM BEHAVES

BERTHI]IG CI-OSE TO DANGER z)NE

Kep away úorn darBer-zorn

Depending on speed, wind eúc. use P.S. unit astem; s.B' unil ahead or both.

A small prlse with P.S. unit ahead wil¡ be srficient-

Now 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'

No!¡: A trasse compmert 's

atreys present: t¡k¡ us of lt

Kecp lhc boat parallel to the bcÉlt

A¡ ¡fident poulr l¡ ¡vailabl¡ lt lr alwa¡c pocdblc to forcc the bow into lhc

rlglrt üroctlon.

iI

I' i

ffi-]f s i$c¡'torTELi

@ Í

R€f. Shest tlo. Ol3. SCHOTTEL ASD. Pthted bt SCHOTTET

Page 9 oÍ 23

..-lesl'' 'l!----'P-

for the Shipping World

Encerclse to estfmete tlE ün¡st rEessery to pt¡sh a certaln \essd an¡ay tom the óck

s###trFtrfl

l n ¡ e l

; - * * , - : - . . _ + ! . . - L + r ! - - J

6 tEessdv

l-""-l stop

I rua I is stopped by I n s.o.rrg I

A good aerclse insmdl sril ffiirB

I ls.o.rug I

VERY GOOT'EXERCNSE IN BOAT

OONTROL

s,l

r"¡

I lS.O.fud tries to get stenurays In frort d bolfl ofl-pl ln rrdrto stnn il

l r u c lHels a¡esl

| ¡,s.o.r¡¡g It-

hdgH il buseñ¡ ard s*

hritieiltyl As.o.rug I istmeduv I ruc I

I As.ur.rg I mo to gÉ a 90 degr. argile'-The towline is to be kefl in a straigft lirc in oder nd lo'infuenoe'ttecoursed I TUG IStart d slorspeed: Reped thls marpeurc aen orgr6 kn. speed

Page 10 ot23

'oÍsJrLs_te_en

Rca. Sheet No. 0r3. SCHOTTEL ASD. mFd by SCHOTTE|.

for the Shipping WorldPTLOTS TXFORXAITO¡{ ( r }

S#FdffiTFtrf,

= lmgnlngsselConarll¡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 lessby th€ VSLb propdler wd<e. I corlribule fo bler pcl

f . f le"aslerntr¡gASDbóletosecurfhet i l , l ¡ reuptol l kn.asi tsmnspeedis l3knlhernaste is l

\!rbh to compcrsde ór propelter rrakc and n¡üer motmeñts while secudng thc todim: so the plU I- tu mrAV hampered ry the ASD. Ur¡der lnoulaUe clrcur¡stapcs the well Éndered ban can push

Ilsgrirst 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

lor slourer but n'lthdrt any bss of tlme and dvualrs In the corect dlreclion. Herdly any steb¡llty groUem I-.

láScs as toudinc momfi[ anf ldderpopeller momeril climlrtde each dht penry or cdnd€fcfy. I

t l

f"\F*t,rgiúU"t worke ererBrsetnctctrBurhenlt***cot¡jicstó¡llty6tem. fovlineis I\Jlee*c to hade- ls fander aluays po¡nts to YSL: lt responds Ésterthan in sltuation 3. SecrrirB I

Itortirr pcsiUe rp to I kn. Tlds marculrc ls especlally tery usetu! witen VSL tlas to swlng lo ba IItrrcnGd sternuays b the b€rth ASD is ready to push as tr corfiob the toudine by ttn borwirph: there

I

Irs ürrs m rred to wan br VSLb cr€ut to lá 9o the tillirn. I

r¡sed ln a conertiotrlway Still lt csponds faster|hen CON.

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 canperbmed 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 Increases sped orls bh,n by the wird to S.B. (in thb case). Mote deck sPace

asllable brüre püof lder. I ls el|'n pcslble to B¡sh agdnst tha VSLI side. lts elficbncy lsSCHC

ETNEM

. ;Rsr. Sh!€t trlo. 0'13, scltoTTEL Aso, ffilgd by sclloTlEt

Page 11 of 23

s#Fd#Frfff,for the Shipping World

PTLOTS rlf(ntAnoil (21

can be mo\Ed In any drcüon: skleu¡ays anda lum on fhe spd to S.B. The 2 wlnch witepruúde fiff secuttB aÉ keep llre

fá \ lrco d'*" a stra(trüdread mcreinerrt: tt b aue lo push sldetreys and lo pr¡tl.\--t I

IFSO p,rst*" siderralp: ft ls de to stop VSL or to pu[ ¡t.II

60\ ISO scuA bea¡de the bulb urith 2 tqlirs: n b abb to pr.rsh ahead or to pr.dl ctem. VSLI Ua.r I\/

lfl be rrod sl&mys by a push ora plt.

I

G) fSO is aUe to push wiürd¡ torc*riq¡ a ligü|. small a n¡r¡erabte boal by lts propellerurake only.

It tF"rS" is secured easlly Dy 2 ( druü€ tr necessary ) wirrhlines only. Any moc wtric-tr b peslble by I

F¡ ASD b also f¡ossiUe nrith thc rnt, tt¡qrgñ slmr.

--J

l*O * &le to gire subtanüd shelterto a bet in dstress. Waes wlll be r€duced slgrüfcanüy by

F,¡rB n¡*peeCthn st. ASD emains tlly manmrrabb.

IASO S able lo celm srells in lts pr.rsh zotre on VSLb winthand slda.I

Page 12 ot 23

Rd. sh¡ei Na.0l!. scHoTTEt AsD. frited br scHoTTEt

for the Shipping Worldt IRECT PII-L f ¡I'ID|RECT Plrlt

s#Éc#Trfff,

Élslqed-D.t¡ry m$roar 100 %

Pdl under

STABUTYBor Hege

Tte SCIIOTTE- untts

9ñea S.B.lledirymanerl ardtlplour{¡ne

glres a P.S. Hellngmomerl: so lhey paillyelmlnate eac|¡ dter.

TUG BRITTGS VESSE.'S STER}I ITTO A }IARROW OOCI(

I}IDIRECT PULLElbcthéurith srASDtug oer5 knTha rolnd bow ha little reslstarrein the $Eter llil et knir speed.

DIRECT PULLEftcthrutlh an ASDtug mder6 Kn.ot€r 6 kn an ASD tLg ¡s nd able totum 90 rbgr.

Md<e a slde-slep wlthe lum.As hardly any atcad thrustis |et tugwlllÉllbackkeflng the tmlinetlglt.The winch migtt be useú.d to help.

When esselb speed decr€ases toabo¡.rt 6 kn Ya¡ hd betterstail themano€iníe as the hlghaspeerl

| _¡.1¡r" you to reep the todine tigtf .

| 3 J

Tr¡ prepaes lts pcltionNotlce lt to be a klnd of aside-step: lt praants the boirfrorn gdng to P.S.The twllne remaim ln rcssd'scentedinq not Intuenclrg pllofssteedrB

oty brake

As soon as tt|e trrg ls free fomthe dockb comer it ls able to Mngtheeselb stem in

I. J

I

I

STABIUTYSCüIOTTE- nrúts gis

P.S. H.X.Tm{1rc ghes S.B. H.I.

--..)

-l:-[*"o*.* _ <

.)i,-o-'*.-.-''-:'fiq--,..

.,-4 -.--:--<

..|j'<=.t''*.."'"1'<**,--*-.

s:--jJ

*:ij-'-'*-' .1 , * . - \ = . .

f

.-.':j'----'*....

.J,lo-o'"' - '..1

¡.+l::_ .- . ' - :1 .

.iwrt"rr*,1ld¡rect¡on I

isrER!¡

l-P-l Lilh thls posltion wethceselb speed

l=gJ ' |¡I

¿F,F-E-1

€ty¡' I

Y *FqSSTfOTTELi

ffi.Rq€?F I

Page 13 of 21 *

Éom lllDlREcT PULL toPULL rcqulr€lercrt c.t€

I J-1/

Rd. she.r No. 0t3, SCHoTTEL ASO, pftr¡ted by SCHOTTET

"s#Ff#Trfff,for the Shipping World

XORE IA¡IIOEWRES

SIDE PUSHI]IG

Poor watcrstrpply to

ütepropellerwhen ürgha¡much

SAIUI{G GLOSEALOilG AI{ O&'EGT

STEENNNG ASTERN IIGHT GNEA ST'RPRISE

Be an¡are of this efrct and no prúlems will arise:Auid this sitr¡ation by steeling with boffi units wtren sailirB fast astent

When sailing clce abng a dock or tessel:Watt le€l go€s down; this is mote pronornded asspeed ilrcreases

Suppce only P.S. unit is usad

llJ The efrcn will increase by the irtuardstra\rrse comporent

IEJ The trTprse com¡ronent now is ottrards-.s At knv-speed: tug mows out

At high speed: tug moes in

iii::::,nr"-""'""'i:

ilozzl¡ wot{¡¡ now asa bnke: lt als glvec

e *lng moment

Side pushirg when insuñdent roqnis lelt br a perpendicular pcition

To axid too much übration wa makeP.S. popdler mke miss üo S.B. tnit

The efficiercy is about 85%

Somdimes in astem mode thisconfiguration makes the stemtum to S.B. instead of P.S. asexpected

S.B. nozzle produces less thrustbecause of porwater supdyand acts as a brake giüng aS.B tumirg moment

Suppose P.S. popellerto be buledGira S-B.unil suficiert thrustKep tuming P.S-unitPopellerwillrun in bdh dircctionsand debds mighü be washed out

Rd. sh.d. No. ot3, SCHoTTEL ASD. ftrt¡d by SCHOTTET

S#re#TTtrLfor the Shipping World

SIDESTEPPING U}IDER AN AilGLE

We are asked to mote frorn the r,esselb bor to tlnresselb stemBeca¡se of tñe blg dbtarrce uE mtltÉ obllquelyas lt makes our speed blgger then a traterse mow

The rulttdepropelbr confls¡atbn loolrs skn llarto a sHeetep: only more thr¡¡st b needed astem.By remalnlng nry close tothe rassel wE save a ld oftlme

Thb mowment alfovs us to mmaln wry ctce tothe ssd e\,Bn urhen lt mores sr.tddenly ln ntñatewrdlmc$dr

When we approÉrh otr pcltlon we harp to brakeour slde speed and swlng Into a peperdlcularposltlon

Belng wry cbe to the ssd, we wont torch ltshull too hard tf bod contrd ls nd perbct

SDESTEPPT.IG UNDER AN ANGLE S ALSO POSSIBLE GOINGAHEAD

flBARI$NG ' DISETBANI(|NG PILOT

Sfongwird

A"d

R¡f. shet No. 0ll, scHoTTEt AsD, ffifi.d bJ scHoTTEt

A SDE MOVE ATANANGLE GOING ASTERNGOES MUC}I FASTER

Speedahead :2 -6kn .Tm slom Vessel nfb too much.

Tm ffi: Water spray wets boardlng zme.

l'tanoeuwE tras to be citne.üiir"rultenable th€ t g to lea¡e the ssels s¡ii-ebren

wi¡en lt has a goott sftle speed.

15 ot 23

s#Fc#Trtrf,ASSISTING STALL VEISE,S

lneeos gmc (

lenanre nae

By uslrB theqtsid+t¡nll the

tr{ib bori, comeso.t sligürtly rnrc

for the Shipping World

lfHs confguratbn makes the \€ssal lee\e I

IttE berth sideil¡ays

I

Rsa. She€t No. 013. SCHOTTEL ASD. P?tfed by SCHOTTET

tlús u¡ill be a tmtese

.. .lBor todirr_stnneneO I

stimde the resselb eslstance pcÍrl.9. An empty wsselb boil has mrch less

altstüp wlth rudder ¡t needs ptshirg ulell

S#FdffiFFtrflfor the Shipping World

WITH OIIE UilTT O}ILY

BEAWAREA Cdc$p compone nt ls alweyt Ptl$$t.

THEORENCALSupose thc propelbrwakc doeg rdirúl¡nnce the mopmeil.

lSl Propeller-uake brt¿ against skegrlFneru-¡wAt a oerta¡n R.P. arBle:

El t" compensded by the biggerSCIIOTTE- arplewhlcit gfs aresult slmllarto the theqetlcalmmment thorrgh less elbcthp.

Notice: trVlenboürahead and astemorfigrraliors applied atthe sarne ümeit will resr.üt in a side-sbp wittnut a trning npmerü

.o.A UYATERRESISTAI{CE TOVES A}IEAX,

a celtaln speed the tranerse resistanceis brexample 3 x tñe longitf¡dndreslstanc¡: Deúdion will decease end to

a tuming rnomeril the RP. arqle hasbe decrcased.

boat behales o,t ld is moedttE bow.

SCHOTIEL angle ha to bato keep the Thrct \cct$

the Reslstance rector in lir¡e inlo aroid a tumirg motnerl.

Polnt dAppllcatlon du,ator r€sbtarte

lrl Trarersc comporerüItl Longltnrlinal cofliporpnrIEI Thrust deliered by SC}IOTTE urút

At speed 0 orvery low; lfspeed inceases: it loks

StadrB at speed O the salling üretlon willbe in line wilh rhe sclloTTE unlt.

TOWING WITH ONE UlllT O}ILY ( Noturnirg moment )

.S,SCIIOTTH- erEEgEd only ( astem )Tc¡rirg astern wlth P.S. SCüIOTTE-

tou¡-poet only:Notlce bqrtrytine tlas to be in finewlth P.S.SCHOTTE- and Bmtm-pct.

ahead $4th S.B. SC}IOTTEL

stem tcrvline h6 to be in lirp

erEaged onty (ahead )

Page 17 ot23

Rf. sña.t No. ol3. SCHoTTEL AsD, Prhtsd by scHoTTEt

S#&6#TTtrÉ-for the Shipping World

OPERATIM¡ SCTIOTTE. BOATSITPORTANT:

All manoeuwes can be achiewd bymo¡ing the COPILOT üa'nq¡tral'.

Houewr bs a¡vare thd if idle erBlro speed is high:¡ Wder turbulenca can hamper own manoeuves and dher crallo 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.

A SGNIOTTE- boat is supposedo be operated with cl¡¡üches

engEgpd as much as pcsible:This saws the clúches.

Slowastem andtum to P.S.

_ ¿ '

Workirg ¡Lr lpñes' in ttrose cases migtf 'bé rsefrll.

trtü

Pcúr¡t of application uater msistance

TraeiseEtor

l:!l$ Lonsitudinal Fctors

t 1.1¡¡r* lgl.ririna. each dher

l,lotioe: A sidemor¡e as shou,n on page 2 is a onüination of bothpreüous figues

[l muctr usser

s#sd#Frfff,for the Shipping World

scr0TTE- |.HTSSCIIOTTE- U]IIT ROTATIOf, O(XPARED WITII @PILOT ROTANON

)

FoP¡Lor I

marneuwFrg a rudtlerprop* t¡g b basedthb princple lslrws ttc lmprtarre of üa

posltbn matchhg the SCHOTTELThe SCHOTTEL posltlon hdicdor is b

the SCHOTTEL posüon

Ihb poirú matctps the SCIPTTE- pciüm: The rncter has ihe

IN H]S HAI{D.

f fnGHT lolr b|dtr io simudde an a¡.¡tomotile lering systern hl it has to be '€alizd iil only worts

ntren sailir¡ streúgürt dl€ed on a sterrdrisr sseL I roils wruq uñen sailirg astem or marneuring.

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. nÉri,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

simdicily m skip sorne núror dÉfBrpes. : COlrFlfR ASD AS A REttERSlp lf. :

t&lul ñngof¡om bowwiús to

wfls eú I ñare to dlarpttrc $aning roÍdliol,.

,Éü, dfar,ga fio¡n bawuús lo sta¡I llcrw to dtarp lte ft$ boweú stan

Coblems rpwbnretes *púúo bdhtypes o{tt¡gs ffiialdy.

We hope thb short explanat¡on darifies wtrychanging the normal otation of GOPILOTand SGHOTTEL unit only causes conft¡s¡on,espec¡allyfor masters drivirg both ASD andTT.The rext pictures show how both types oftugs vuork almost in ñe same way

l^tt*. ü: rrarimurn si<ts1

lsteo corfigr¡áim I

WHFF 1IOI¡SEFLOOR IMüe

¡¡.e+l

ffir @scHOTTÉL|*����������������*rrnry i

.-.- -()

Page 19 of23

R€f. Shcet No. 013, SCHOTTET ASD. Prmrd bt SCHOTTEL

for the Shipping WorldsT(P VESSE- AM) Pt Süt 1T ¡rl

s#trffiTp-trf,

slak literrdl m&

t . ./,-:;i:,.\ . - iÉ"'E=,I

bdr by rnanann¡ear¡d

It urdl t€¿ torn wsselb

slack llne uell ur¡&rboür bt mare¡¡read

il rellfree frorn psselb

0xIi' ! -h:

elXsi

I t - '

*iFl

Tt¡ulilrEssE-'s Bow A¡f, Pt¡s]r IT rN' *

Keep slack llne u¡ell urxbrcontrol bcllh ry mar¡eu¡eandwlmlu

: :_ . . . : . : .

rrc ndüraard atum.

wirrhto ghc tast

!l ' I.l

x!I

{11 cltre"sn"ll ' h \

Olx,r.eswsse* |Tmline ls sMened

lo Clcfs

qrffi;-lOllgtr#:nl

pr¡sfts rcssefbinn'lthama.

Cltffi"sn*lOll.ff'""*'

5$:

x- -LJ:::+r|Jro,x'xnx¡Itesnonse to ¡fhfs Ilodets. I

Keq sbck lineucü uÉrcoñtrd bcñ by mrslleand

STOP T'ESSEL AND PUSH T|T H

Page 20 of 23

RC. Shes{ No- 0r!, SCHOTTET ASD, Prhsd by SCHOTIET

Small empty barye with some slem tñm

MaKe SB.SCHOTTE.unltb wake miss thetugls hull.

S#trffiTFtrf,for the Shipping World

trldlsj

To mocthe t,tr¡lt sidmys youcan lmag¡rt prlling lt on a stringnrh¡ch b att*hed to AConñgue both SCHOTTE-urits so tH thdru¡ork wctc isIn lire with the imagirary sting.

LJnited poinl d ryplicdicrmt€r Gs¡starrceTraerse tiectú

Wlr¡ch lineAs the strong winch llnes arewry tlgtt, only 2 are needed.

leneeo ruove I

rLI s.e. runn I

(-l- i

FFrr-lW if drffi¿q*

SCHTTTEI-

Page 21 ot 23

Rd. Shest No. Orf. SCHOTTELASD, Prhed by SCHOTTEL

s#Fd#Trtrflfor 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 speed-

lulanytechnlcbns 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 too ltsss-

Theoreücallyltls posslble b make anymove bysbedng

and throtülng only,while cluH¡es ¡emaln engaged.

Be aware thatespecblyathlgh ldle englne speed:- ibre watert¡rbulence hampers own ürg and othercralL- ¡tbre tlable b suc|< debrls Inb lhe propeller.- Higher fuel consumPüon.- lvbre übraüon.

When udrrg tñe clublresBear In mlnd abovemenüoned ¡emarb and

Outclúrg in /or¡t too much is rpt tm good br ddchesVibration has to be awftled $ñen possible,Fr¡d conswnptict dsocost rnceY

idle speed:tess engaging manert on clutchFeuerergagirgsl-ess watc t¡ü¡lerpeLoss fr¡d corsum$icrl-ess damage qr dock and bndersS#rbr masterand crew

L

Exdnple:BP=Bolla¡d pullat RPM (max)

= RPM (dual)= FIPM (mar.)= 1(X) oA BP x A2 lM2: flXX6fll/180018m = 11ilo: 14To

- tbre atenüon ¡reettecl as trg mor/Bls conÜnuously-Ewn afierwalüng ftlran e¡úended perlod of üme itsomeümes happens ürata dellcab manoeuuo falls

because ofwabrü¡ñulance and tñe clutcfies süll haw b be used.

Some masterc hare found thatwabrt¡rbulenca can be mduced signlflcanüybyuslng tte SCHOTIEL

unlts In an Inwads posltbn accepüng tñe lncrease In vlb¡atlon and e¡üa fuel consumptbn, as the

englnes audlblyhave to wort harder.Suc*r poslüons are b be arolded as tñe wabr pr€ssur€ mlght damage üte seals of üte undeltaErgearbo:<, espec{allyat Increased englne speed. ( See also SCHOTTEL manual }To reduoe spee! ortenslon on tñe bwllne the SCHOTTEL unlb are b be used In outslde poslüons in

orderb awld-them woülog agalnsteach other.

MThrustLrsr¡d

This pcitim must be a\dded

It might damage sealsIt ca¡ses übration and ewn e¡<tafud corsumptict

Water turh¡lence hampers owntug and other crafr

Uable to sr¡ck debds ¡rúo pope[ers

Morc fud consumption

A\oid inn¡ards SCüIOTIEL urit positimsgreater ttsr 45 degrees

Rú. Sh.et tro. 0rl. SCHOTTEL ASD. F,ñed by SCHOTIET

for the Shipping World

FORCES ALOI{G WORIO.INE

s#tr#Frtrf,

XOIEIITS

I w l= = | m,otwrorreprrcec II aoq¡uto*line I

lewl= =¡ P¡opelbruake I

POIITOF APPUCANOil

Resdtlng Astem Forca: 3 T.

lPo* l= = PolntdApflbatlcr

€ ;

P.o.a I

+)

"c:

¡ i "G .D= l -s r ' * lI t ft (r,D =l -zr.'. I

Tr*".7

* l . ld = l+2r r .m. lr @) = l+2a l .m. l

¡"ue I p^o¡" I l-45'rrnl

Veilical

l t l tQC=f +6r . ln I

El* ( rD= l+6r .m. IT+1rr.*l

H

V

Moments wilh

PROPTTLS|OT{

I nmeans a Rfuirtr.rtt¡ngrsÍerr + 2T.n I

i

r iI

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.

SOTEIAT}EHATIGS

le.s. eroe"rrer Force

Verticd El El = l*,Resultlng P.S.Traeee Fcce:

RC. Sñect No.0r3. SClrgfTEL ASD. Prhsd bt SCHOTIEL

Page 23 ot 23