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#324041 - 06/28/07 06:28 AM Re: Question on Pros and Cons of Smart Tabs? [Re: MadDog]  
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rwidman Offline
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 Originally Posted By: MadDog
rwidman - thanks for the idea. I actually might be able to drill holes and bolt on eye bolts.....hmmmmmm.......that still doesn't help out with all the stuff on the starboard side of the transom....


Is that a speedometer pickup? You should be able to move it and just plug the holes. THey don't seem to work below 20 MPH anyway. When I want to know how fast (or slow) I'm going, I look on my chart plotter.

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#324256 - 06/28/07 06:34 PM Re: Question on Pros and Cons of Smart Tabs? [Re: rwidman]  
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MadDog Offline
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One is the speedo, the other a depth finder......no plotter on board....



2002 Reinell 200LSE - VP 5.7GL SX
"Shaken Not Stirred"

"Don't be a dumb a--"
#324293 - 06/28/07 09:23 PM Re: Question on Pros and Cons of Smart Tabs? [Re: MadDog]  
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rwidman Offline
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 Originally Posted By: MadDog
One is the speedo, the other a depth finder......no plotter on board....


I had Smart Tabs on an 18' boat and now have helm operated tabs on a 24' cruiser. I would not let something like moving a speedometer pickup, depth sounder transducer, or transom strap eyes stop me from installing trim tabs. You'll understand once you have installed them. If nothing else is possible, you can use a long strap that goes over the gunnels.

#325149 - 07/02/07 12:59 PM Re: Question on Pros and Cons of Smart Tabs? [Re: rwidman]  
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MadDog Offline
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I finally ordered the SX Smart Tabs......now I just gotta figure out the "other stuff"....



2002 Reinell 200LSE - VP 5.7GL SX
"Shaken Not Stirred"

"Don't be a dumb a--"
#325674 - 07/04/07 05:19 PM Re: Question on Pros and Cons of Smart Tabs? [Re: MadDog]  
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F.J. & Catherine Abaya Offline
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F.J. & Catherine Abaya  Offline
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Hey MadDog,
I had the same problem when I had my trim tabs installed. My trailer has two "holes" where you can attach the straps. One set is in the middle and the others on the side away from the tabs. If your has it, that might work for you. Good luck.



2004 Monterey 208 SI
2003 Four Winns 268 Vista

#325679 - 07/04/07 05:42 PM Re: Question on Pros and Cons of Smart Tabs? [Re: F.J. & Catherine Abaya]  
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seabuddy Offline
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Why not just use transom wedges?

#325843 - 07/05/07 12:14 PM Re: Question on Pros and Cons of Smart Tabs? [Re: seabuddy]  
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Jim_R Offline
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 Originally Posted By: seabuddy
Why not just use transom wedges?


...because we've never heard of transom wedges before? I had to google them. They look interesting, adding either 2 or 5 degrees of up or down to factory power trim. I look forward to more learn-ed responses on this one.


2007 Four Winns Horizon 200 VP 4.3 GXi 225hp
2002 Bennington 2275 RL, Mercury 115 EFI 4S

#325907 - 07/05/07 03:08 PM Re: Question on Pros and Cons of Smart Tabs? [Re: Jim_R]  
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williemon Offline
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Arn't they for outboards?

#325915 - 07/05/07 03:19 PM Re: Question on Pros and Cons of Smart Tabs? [Re: williemon]  
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seabuddy Offline
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The wedges I am referring to, first were used on wood boats that rode too bow high for their owners. Make two wedges, attach them to the boat fat side aft, and run the boat. Too much stern lift? Make a set of thinner wedges to try. They function roughly like a hook or trim tab. No adjustment possible underway with these though. Bennett tabs do have driver adjustment underway if he wants it.

#326029 - 07/05/07 08:31 PM Re: Question on Pros and Cons of Smart Tabs? [Re: Jim_R]  
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rwidman Offline
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 Originally Posted By: Jim_R
 Originally Posted By: seabuddy
Why not just use transom wedges?


...because we've never heard of transom wedges before? I had to google them. They look interesting, adding either 2 or 5 degrees of up or down to factory power trim. I look forward to more learn-ed responses on this one.


Tabs (either Smart Tabs or helm operated tabs) are self adjusting or helm adjustable. A "wedge " is not. Think of an airplane - does it need flaps or could you just add a permanent "wedge" to the wing?

#326030 - 07/05/07 08:33 PM Re: Question on Pros and Cons of Smart Tabs? [Re: williemon]  
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rwidman Offline
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 Originally Posted By: williemon
Arn't they for outboards?


Trim tabs? No, they are a good addition to any planing hull boat.

#326085 - 07/06/07 08:32 AM Re: Question on Pros and Cons of Smart Tabs? [Re: rwidman]  
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seabuddy Offline
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What makes them self adjusting? You set the wedge where you get the most benifit for your boat and the way you do your boating.

#326142 - 07/06/07 10:27 AM Re: Question on Pros and Cons of Smart Tabs? [Re: seabuddy]  
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rwidman Offline
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For anyone who doesn't understand how Smart Tabs work, here is their website:

http://www.nauticusinc.com/

Here is the website for Bennett helm adjustaable tabs:

http://www.bennetttrimtabs.com/

As for a "wedge", for most of us, conditions change. You're getting on plane, maintaining plane, compensating for wind and/or current or uneven loading of the boat. A fixed wedge will not be able to compensate for these varying conditions.

#326182 - 07/06/07 12:12 PM Re: Question on Pros and Cons of Smart Tabs? [Re: rwidman]  
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seabuddy Offline
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How do the Smart Tabs change? I thought you tested and re-tested with the set-ups and then that is the way that they stay, the setting that you pick. Wedges also stay where you set them.

#326213 - 07/06/07 01:52 PM Re: Question on Pros and Cons of Smart Tabs? [Re: seabuddy]  
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rwidman Offline
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 Originally Posted By: seabuddy
How do the Smart Tabs change? I thought you tested and re-tested with the set-ups and then that is the way that they stay, the setting that you pick. Wedges also stay where you set them.


The tabs are held down with a gas strut, much like the one on an SUV rear hatch. As the boat picks up speed, water pressure pushes them up tpo the horizontal position.

I'm sure it's on the website somewhere.

#326217 - 07/06/07 01:55 PM Re: Question on Pros and Cons of Smart Tabs? [Re: rwidman]  
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seabuddy Offline
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So there is a slow speed setting and then a high speed setting for the tabs created by the gas strut?

#326223 - 07/06/07 02:31 PM Re: Question on Pros and Cons of Smart Tabs? [Re: seabuddy]  
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williemon Offline
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Yea, thats the idea. They are continuously self adjusting during movement of the boat.

Rwidman, I ment the wedges, not the trim tabs. I did not however realize that SB was talking about a different wedge.

Still, since you have to fix the wedge to the hull, like a trim tab, I would think that trim tabs are better since you have more and easier adjustment.

If a wedge were installed, would it not scrub speed? An adjustable tab would adjust to a level so that speed could be maximized as well.

#326224 - 07/06/07 02:33 PM Re: Question on Pros and Cons of Smart Tabs? [Re: seabuddy]  
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rwidman Offline
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 Originally Posted By: seabuddy
So there is a slow speed setting and then a high speed setting for the tabs created by the gas strut?


No.

From the above website:

 Quote:
NO HYDRAULICS - NO ELECTRIC SWITCHES
Nauticus trim tabs are completely automatic requiring no operator adjustment while underway.
click here to view video on Nauticus trim tabs v. hydrofoils and hydraulic trim tabs(11.9MB)

The nitrogen Gas Actuator provides LIFT at the stern of the boat by holding the trim plate down during acceleration. The amount of LIFT is determined by the actuator load rating and the trim plate adjustment, which is done at the time of installation.
(see installation instruction).

SPEED REGULATION
Nauticus trim tabs start in a downward angel to maximize lift at slow speeds. As the boat accelerates, the water pushes up on the trim plates providing lift to the stern which minimizes bow rise, and allows the boat to plane quickly.

Once the water pressure exceeds the actuator load rating (maximum lift) the trim plates move up to a horizontal position eliminating any drag.
click here to view video on how Nauticus trim tabs work (2.3MB)

BOAT STABILIZERS
Even when cruising SMART TABS continue to work like shock absorbers. The constant adjustment to sea conditions allow SMART TABS to provide remarkable stability in turns, while crossing waves, while cruising, and while running at maximum speeds. No more sliding, porpoising, or chine walking.
click here to view video on the performance of Nauticus trim tabs (7.5MB)

ONE OF A KIND
The unique system is the only one of its kind in the industry. The internal valve system is truly "smart" in its design of controlling you boats performance.

It will reduce the minimum planing speed by 33%
Provide a level, more comfortable ride at lower speeds
Improve economy, handling and safety

As the boat speed increases, the water pressure also increases. Once the water pressure exceeds the Actuator load rating (maximum LIFT period) the trim plates begin to move upward until they are horizontal with the bottom of the boat.

The internal valve system dampens the trim plate movement wich eliminates any instant reaction to minor water pressure variances. Nauticus trim tabs provide smooth and undetectable reaction to boat speed creating a level, more comfortable ride at lower speeds.



http://www.nauticusinc.com/system_overview.htm

I installed them on my previous boat, an 18' Stingray bowrider and they improved performance quite a bit.

#326255 - 07/06/07 04:22 PM Re: Question on Pros and Cons of Smart Tabs? [Re: rwidman]  
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williemon Offline
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Back to the origional poster, Texasboater. Last I heard he was going to get the ST, but in a diferent post, he talks about a foil. Did he jump ship?

#326256 - 07/06/07 04:24 PM Re: Question on Pros and Cons of Smart Tabs? [Re: williemon]  
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MadDog Offline
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Don't know williemon....



2002 Reinell 200LSE - VP 5.7GL SX
"Shaken Not Stirred"

"Don't be a dumb a--"
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