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Old 04-27-2013, 07:59 AM
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Default Trim tab extension?

Boat runs fine now, but coud use a tad more bow down tab around 21 knots. Measured te trim tabs, and they only go down about 2 inches. I have read some luhrs and carolina classic guys adding a block extension to te tab to get it to drop farther. Anyone have a picture? I'm thinking a block of starboard that mount to the current tab holes on the back and then mounting the ram higher up on the block?
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Old 04-27-2013, 09:33 AM
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What type of boat? What brand of Trim Tabs? What size are the current Trim Tabs?

Tom
Bennett Marine
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Old 04-27-2013, 09:40 AM
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Hey Tom, 1993 32 luhrs convertible. Factory tabs recessed. I don't have the measurements in front of me.... Decently sized just don't drop all that much it seems compared to my other past boats.
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Old 04-27-2013, 09:41 AM
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Oh, and like all my other boats, the bullet proof Bennett system! They work great, can level out fine, just could use a bit more bow tab down and can't go to a larger tab (unless I want t grind fiberglass which is a hell no)
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Old 04-27-2013, 10:18 AM
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Tbrodes

The standard stroke on a Bennett actuator is 2-1/2". How does that compare to what you have? This should produce a deflected angle of about 15 - 20 degrees when the Tabs are fully down.

I have seen guys put a small shim under the actuator to get a bit more deflection.

Tom
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Old 04-27-2013, 12:07 PM
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guy at my old marina had 32 bayliner with the hino diesels. had someone make extensions for his tabs. bolted on to existing tabs and he was very happy with the results
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