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Old 11-26-2011, 11:53 AM   #1
Join Date: Nov 2011
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Marine Trader Hollow Stringers

My recently purchased 1977 40' marine trader seems to have hollow stringers? Does this sound correct? No matter where I tap front back or in middle it seems to be hollow sounding. No sign of cracks or hull to stringer movement. ???

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Old 11-26-2011, 12:12 PM   #2
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RE: Marine trader hollow stringers

Michael, You might drill a test hole somewhere. My 34DC does not have hollow stringers. It may sound hollow because the fiberglass has separated from the wood. Chuck

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Old 11-26-2011, 03:25 PM   #3
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Marine trader hollow stringers

Is this the same boat that has a hollow keel?**Maybe the*previous owner was trying to go ultra-light.*

If your longitudinal stringers*are hollow, the boat could do a lot flexing in a sea.** As already mentioned, if*there is/was moisture penetration (like around the engine mounts), the stringers may have delaminated from the fg.* *** KJ

-- Edited by KJ on Saturday 26th of November 2011 05:39:05 PM
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Old 11-26-2011, 03:25 PM   #4
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City: Wilmington, N.C.
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Vessel Model: Marine Trader 40' sedan
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RE: Marine trader hollow stringers

** Yep, they are as hollow as the keel, About 3 inches of mahogany, on top 2 inches on the bottom, plywood on the side and filled with solid air in the middle. Not to worry the*strength is in the glass. At least that is what I found on my 1977, 40 foot*sedan M/T.* You will most likely find two heavey red & black wires going thru the engine room forward bulkhead just inside the right inner stringer. They go forward to the anchor locked, for a winch I presume. There are also extra unused wires in the harness up to the flybridge so you won't have to run any for extra electronics.

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