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Old 09 August 2006, 21:26   #1
Country: USA
Town: Vancouver
Boat name: White Chocolate
Make: AB
Length: 4m +
Engine: 50 HP, 3.3 HP Merc
MMSI: 338079539
Join Date: Jun 2006
Posts: 184
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Planning Trim Tabs on

Has anyone had any experience with them? Do they work better than Deol-fin? I am thinking of purchasing a set for my RIB.

Any thoughts?



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Old 09 August 2006, 21:44   #2
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Country: UK - England
Town: The wilds of Wiltshire
Boat name: WhiteNoise/Dominator
Make: Ballistic 7.8/SR5.4
Length: 7m +
Engine: Opti 225/Yam 85
MMSI: 235090687/235055163
Join Date: Jul 2005
Posts: 12,552
Try smart tabs first-they don't look like you've got a diver trapped under your boat
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Old 10 August 2006, 02:05   #3
Country: Belgium
Length: 9m +
Engine: Ob 2*250/2t yams hpd
MMSI: 235030702
Join Date: Aug 2004
Posts: 885
Yep---- Go for the smart tabs .
Ask for john. - and he will guide you thru. There are lots of stuff that is not on the site. He fixed me up with the right pair for about 250$ fob tampa.
The effect is amazing- and they are automatic. However, do some reserach on this board as there was a lot of discussion last year on this subject. I think also they are only necesssary if the boat is a certain length- putting on anything < 5 m does not have all that effect.

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Old 10 August 2006, 13:34   #4
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Country: UK - England
Town: Midlands
Make: RNLI Y-Class
Length: 3m +
Engine: Mercury 15hp 2st
Join Date: Jul 2006
Posts: 781
Go for the Trim Tabs (Lifters) They're easier to install, and maximarine provides an excellent service. Maximarine has an eBay shop. Search for them on ebay.COM (their slightly cheaper), with postage mine cost about 85.00 and it took four days to arrive from america!

I've used them on a 3m Lodestar SIB, and can plane with as little as 3hp. Performance is superb with the 9.9hp! Fuel consumption is the best advantage. Reduced by about 30%.

They don't look too bad...
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Old 10 August 2006, 16:42   #5
Country: UK - England
Town: Near Weymouth
Boat name: Topper Up!
Make: Avon Searider
Length: 4m +
Engine: Selva 50 Hp O/B
Join Date: Nov 2005
Posts: 14
Trim Tabs

I've just fitted a pair of Smart Tabs to my Avon 4.7 SeaRider and I'm amazed (that doesn't happen often) at the difference. With a 50Hp 2 stroke it struggled with the flooding hull, 3 big blokes, fuel and camera gear to get on the plane at all! with the Smart Tabs it gets up and planes around 12 knots. Acceleration is progressive and even when running up onto the "hump" it is much flatter than before. With only 1 up and fuel it fairly flies along. With the whole family on board it runs at about 22 knots in small choppy waves. Turning is also better controlled. I'd recommend them now.

** Kids in Toppers? ... Like herding Cats!.. But HARDER!!** :-))
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Old 11 August 2006, 04:05   #6
Country: UK - England
Make: Avon 5.4
Length: 5m +
Engine: Yamaha 60FE -
Join Date: Sep 2003
Posts: 1,837
me too, i fitted them to mine with 40lb actuators (u can get different ratings for all lengths of boat) feels a lot more safe and sure footed -

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