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Old 05-26-2003, 11:16 AM   #1
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Join Date: Dec 2002
Location: chesapeake bay md
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30 motion ob
Tunnel tab
My version of a tunnel tab for my 30' motion Started with a set of Dana hp 1100. Off to the power coater tuesday
Last edited by mmwalters; 05-26-2003 at 11:19 AM.
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Old 05-26-2003, 11:18 AM   #2
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30 motion ob
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Old 05-26-2003, 11:51 AM   #3
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1999 Spectre 36
Michael, congrats on the tabs. They look great.
I have single handedly cured the draught in Maryland by buying the 36. I have only been out twice, its unbelievable this weather.
Good luck with the tabs. Are they 9' tall? what is the outside dimension of the ram brackets against the transom?
Post new pix when they come back from the painters.


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Old 05-26-2003, 12:30 PM   #4
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30 motion ob
Shawn sell that damm boat so the sun will shine! Yes the tabs are 9'' tall and 12'' at the base. My bottom plate is 42'' wide. I think it should make a differance.
Michael
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Old 05-27-2003, 09:07 PM   #5
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Michael, are they bolted thru the cylinder uprights from the bottom? They sure look good!!Is that 3/8th 6061, that's what I just made mine from I welded the upright mounts on mine, just preference LOL. I'll post pix soon.
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Old 05-27-2003, 11:47 PM   #6
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30 motion ob
Jolley they are bolted using Dana's existing holes and hardware. I did have to move two hyd. fittings to clear my stringers.6061T6 ALU 1/4'' THICK. I have found it best not to weld the heat treated alum, T6 means heat treat. stress hardend alloy is 5086-h32 or 5086-116and 5052h32 These alloys lose much less strength when welded. I am eager to see your tab
If it ever stops raining I will install it
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