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PostPosted: Fri Oct 08, 2021 5:50 am 
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Site Rank - Deck Hand

Joined: Thu Sep 23, 2021 10:14 pm
Posts: 13
just bought an tandem island used. maybe a dumb question but I,m curious to know if anybody modified a tandem island with a larger stern. The weight of the 2.5 Suzuky 2.5 outboard and a narrow stern once I accelerate the stern is going down. That's creates another problem also: way to much water coming over the rudder lines holes also and into the hull....
thank you


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PostPosted: Fri Oct 08, 2021 8:27 am 
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Joined: Tue Jul 19, 2005 6:29 pm
Posts: 2745
Location: High Point, NC
Since the boat was not designed for use with a motor Hobie saw no need for a larger or higher volume stern.

The only thing I can think you could do to increase volume there would be to fashion some dry cell foam onto and around the stern and then shape it to minimize drag. I suspect the results would be mixed.


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PostPosted: Fri Oct 08, 2021 12:49 pm 
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Joined: Fri Dec 01, 2006 1:38 pm
Posts: 245
Can you mount the outboard such that it is “trimmed in” a bit? That is, mount the outboard such that the prop is angled forward versus the mount and thrust is angled slightly below horizontal? This will counteract some of the torque force trying to raise the bow and drop the stern. Smaller lightweight boats are often rigged this way to keep the stern up and bow down.

Peter


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PostPosted: Mon Oct 11, 2021 5:05 pm 
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Joined: Thu Sep 23, 2021 10:14 pm
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plfinch wrote:
Can you mount the outboard such that it is “trimmed in” a bit? That is, mount the outboard such that the prop is angled forward versus the mount and thrust is angled slightly below horizontal? This will counteract some of the torque force trying to raise the bow and drop the stern. Smaller lightweight boats are often rigged this way to keep the stern up and bow down.

Peter

thank you didn't know about that is , is my first outboard will give it a try . I have to modify the engine mount is too close to me just behind the rear seat and is too noisy for my left ear. so probably I'll ask the welder for an angle of the motor mount. But just to be sure I understand well ( I speak french in Canada) looking at the kayak from one side the shaft of the engine should look like this / ?
thanks again.


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PostPosted: Mon Oct 11, 2021 9:04 pm 
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Joined: Fri Dec 01, 2006 1:38 pm
Posts: 245
Yes, you can trim the motor slightly in the / direction as you say. The Suzuki DF2.5 has a 4-position trim adjustment built into the mount so there should be no need for you to install an angled mounting bracket. Look in your owner’s manual (or download one) for the section on “Trim Angle Adjustment”.

Peter


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