Side-Power SEP 100/185 T Manuel d'utilisateur télécharger pdf (Page 8)

SEP 80/185 T - SEP 100/185 T - SEP 130/250T 1.0.0- 2010

Tunnel installasjon på seilbåter

Mange seilbåtskrog er bygget for å oppnå høy fart. De har brede skrog

som ikke stikker dypt i baugen. Skrogtypen gjør det vanskelig å installere

en thrustertunnel på vanlig måte, spesielt med tanke på å plassere den

langt nok frem (Fig. 1).

Thrustertunneler kan allikevel installeres i de este seilbåter. Dette gjøres

ved å la en del av tunnelen stikke ut i underkant av skroget. Tunnelen er

sterk nok til dette, og thrusteren blir plassert lav nok og langt nok fremme.

Dette gjøres ved at øvre halvdel av tunnelen støpes inn i skroget, tunne-

len styrkes i underkant ved å støpe en kul rundt tunnelen og jevne den ut

mest mulig.

Denne metoden brukes av noen av de helt største seilbåt-produsentene i

verden, de viser til at den ikke gir utslag på fart under normal seilas.

Denne installasjonen kan også være gunstig for båter med ate bunner,

for å unngå ekstremt lange tunneler og store ovale tunnelåpninger.

Tunnel installation in sailboats

Many sailboats have a racing type hull which means that it is very at bot-

tomed and has a very shallow draft in the bow section. It is thereby very

difcult not to say impossible to t a tunnel thruster the usual way, at least

as far forward in the hull as a thruster should be (Fig. 1).

However, it is possible to install a tunnel thruster in most sailboats, even

when the hull does not directly support the tting of a tunnel.

This is done by tting the tunnel halfway into and halfway under-neath the

existing hull and then strengthen it and smoothening the water ow by

moulding a bulb around / underneath the tunnel.

This will allow installation in good position on the boat, maintaining the

reliability and space advantages of a tunnel thruster.

This installation is being used by some of the world’s largest sailboat

builders, and has been proven to give little to no speed loss for normal

cruising.

This can also be a good installation method for at bottomed barges to

avoid extremely long tunnels and huge oval tunnel openings in the hull.

SP 75 Ti / SP 95 Ti / SP 125 Ti

2.5.1- 2007

Segelboote weisen häufig einen Rumpf in Rennform auf, was

einen sehr flachen Rumpf im Bugbereich bedeutet. Es ist daher

schwierig oder fast unmöglich, den Tunnel an der gewünschten

(effektivsten) Stelle, also möglichst weit vorne im Bug zu plazieren

(Fig. 1).

Trotzdem ist es vielfach möglich unter diesen Bedingungen eine

Bugschraube einzubauen, auch wenn der Tunnel damit nicht völlig

vom ursprünglichen Rumpf umgeben ist.

Der Tunnel wird zur Hälfte in den bestehenden Rumpf integriert,

die andere Hälfte geht über diesen hinaus. Der Tunnel muß nur

noch verstärkt und strömungsgünstig a/jointfilesconvert/432518/bgerundet werden.

Dies erlaubt eine Installation in geeigneter Position bei Nutzung

der Zuverlässigkeits- und Platzvorteile einer Tunnelschraube.

Diese Installationsart wird von einigen der weltweit führenden

Segelboothersteller verwendet und führt meistens nur zu einem

äußerst geringen bzw. gar keinem Geschwindigkeitsverlust.

Diese Bauweise ist auch für Barkassen (z.B. Flußboote) mit

flachem Bug geeignet, um einen zu langen Tunnel und große

ovale Tunnelöffnungen im Rumpf zu vermeiden.

Installation in Segelbooten

Tunnel installation in sailboats

Fig. 1

Min

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Pos. B

Pos. A

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Many sailboats have a racing type hull which means that it is very

flat bottomed and has a very shallow draft in the bow section. It is

thereby very difficult not to say impossible to fit a tunnel thruster the

usual way, at least as far forward in the hull as a thruster should be

(Fig. 1).

However, it is possible to install a tunnel thruster in most sailboats,

even when the hull does not directly support the fitting of a tunnel.

This is done by fitting the tunnel halfway into and halfway under-

neath the existing hull and then strengthen it and smoothening the

water flow by moulding a bulb around / underneath the tunnel.

This will allow installation in good position on the boat, maintaining

the reliability and space advantages of a tunnel thruster.

This installation is being used by some of the world’s largest sailboat

builders, and has been proven to give little to no speed loss for

normal cruising.

This can also be a good installation method for flat bottomed barges

to avoid extremely long tunnels and huge oval tunnel openings in the

hull.

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Side-Power SEP 100/185 T Manuel d'utilisateur Page 8

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