Trim tabs & bow up/down?

[CaptainCaveman]

Hi,

may be a stupid question, but am I correct in thinking Bow up=Trim tabs up
and Bow down=Trim tabs down? or vice-versa?

thanks
CC

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[Happy1]

You asked the same question on the 24/6/03 @ 0028hrs with loads of replies, is it a monthly thing /forums/images/icons/laugh.gif

<hr width=100% size=1><font color=purple> "You only see what you recognise, and you only recognise what you know" <font color=purple>

 

[BarryH]

No its the other way round.

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[Renegade_Master]

"but am I correct in thinking Bow up=Trim tabs up
and Bow down=Trim tabs down? or vice-versa?"

Barry is he saying what I think hes saying i.e. If the bows are up then the trim tabs are up, cos this would be correct, not vica versa

But if hes when the bows up what do I do with the trim tabs then we would say put them down.



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[byron]

YES!

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[DavidJ]

Think of it like a paper dart, If you flap down the back the front will tend to dive down and vice vesa
Also flap down one side only, will make it steer to that side.
I'm going to go and try it now!

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[byron]

<font color=green>"I'm going to go and try it now!"</font color=green>

Let us know how you get on and post your results on the bulletin board of the Aeronautical Society as they too will be interested /forums/images/icons/laugh.gif


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[DavidJ]

Just tried it. Deck top fan caused severe turbulence and the dart capsized.
Experiment abandoned!

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[Steve_D]

Happy, you really need to go and buy yourself a life, you're obviously spending far too much time here /forums/images/icons/wink.gif

Steve D

<hr width=100% size=1>No. I was right the first time....

 

[dog]

My boat works like this- put both tabs fully down towards the mud= bows lower, as the stern gets more lift. Bring the tabs up, stern lowers= bows come up. The confusion arises in the function of the actual trim switches, some boats are wired differently to others. Simple solution is to try it, make a note of the results then problem solved.

Or am I missing something really complicated??

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[mainshiptom]

My boat work like this !

Power on ! Nose up ! can not see where we are going , fine by me !

Swmbo " I Can not see where we are going and it is a bit rough ??"

Trim forward ie down !

Swmbo "I can see where we are going it is not that rough now "

Works every time ! or is it vice-versa?

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[dog]

Thing is for some bizzare reason my Swmbo trusts me (silly girl) and does'nt complain at all. I think I'd bottle it before she would!!

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[KevB]

Tabs down = bow down

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[Alistairr]

Is it not the leg that should be trimmed, i.e=

I work like this- leg/trim right down till we pop on to plane, then leg/trim up to bring bow up. I thought tabs were there just to give you a more comfortable ride.

cheers

Alistair..



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[CaptainCaveman]

Yes Happy I did post a simalar thread earlier and I didn't understand that either

I think I will just keep them up in future!

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[jfm]

left right

Yes correct. Remember many boats are wired left to right deliberately, so the left switch operates the right tab and vice versa. Fairline do this standard. You therefore need to make sure you know how your boat is set up

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[BarryH]

Well yes I see what your saying, which is true, but the question read the other way. If you look at the way it was written it could be either way depending on which way you read it.If you know what I mean.

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[lanason]

I always thort it was

Kids and SWMBO at the back - Bow Up
Kids and SWMBO out on deck - Bow Down (and I can't bleed'n see - put your head down ..........

Tabs make no difference


<hr width=100% size=1>Adrian
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[David2452]

http://www.bennetttrimtabs.com/whatdo.htm

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