Sea drive transom repair? Sea Cast?

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bkurtz5001

Member
I have an 85 center console V20 sea drive. The sea drive was removed and a custom bracket and a 200 merc was put on by the original owner. Recently in slightly choppy conditions I have noticed the transom flexes and the stringers on the inside do as well. I noticed this by looking at the inside of the transom through doors to access my oil reservoir and bilge area. I am almost 100% positive I need to redo my transom. However after researching the seacast stuff I cannot seem to find an example of application such as mine. Could I remove the gunnel cap and bow rail all the way around the boat and then do the chainsaw thing (sounds bad). Would Seacast be the best method? What should I do with the stringers? Considering im still in school, I need to go the cheapest route and at the same time I would like to do it myself. Any suggestions let me know
 
There is another thread here some were with a different product then seacast that looked real good and cheaper!!

As far as the stringers go, you will have to cut back to good wood and add new wood, add knee boards up the inside of the transom skin and glass all.

After you done just redrill and install the bracket in the same place, you will have to plug the holes so the stuff doesnt run out when pouring.
 
Im not sure what you mean by knee boards. the transom has two triangular pieces , running fore and aft, that are fixed to the transom. Im assuming these are the stringers!?!
 
kneeboard.jpg
 
Arjay 6011 or Nidacore pourable are both alternatives to seacast and less than half the cost. I have samples of both and I'd swear they are exactly the same. I'm going with one of them when I do my transom this winter (even though I'm sure I'll be ridiculed).
 
The illustration helps a good deal thanks. And after looking at it, it seems i didnt mean stringers. It was the knee boards i was looking at moving. So what would be the best way to remove my old wood and best method of pouring it in considering i have a closed transom?
 
Take pics. of your transom/cap area. I would use something as seacast or one of te other products. The cost of West System will kill ya.
 
If ther knee boards are moving then I am sure were they are connected to the stringers is rotted, you will have to cut out and replace all!!
 
Where are you located? I looked into doing the pourable transom using the Nidacore or Arjay, but with shipping to started to get expensive. Without shipping its fairly cheap ($350-450). I decided to do the transom the "traditional" way, replacing the wood, and using epoxy. This is mainly because I needed to do stringer repairs and had to open up the floor anyway. The cost to me is looking to be about $600.00 for transom and stringers soup to nuts (epoxy resin, glass, rollers, fillers, ply, shipping costs, etc). Maybe post some picks of the stringer problems or areas you speak of, sounds like we are all confused as to where exactly your stringer problem is at.
 
If your hard for time, go Seacast or something like it. If you have time on your hands, do teh wood and West System. From teh looks of Seacast, you can redo a transom in almost a weekend or 2.
 
I think i will go with Sea cast. the only thing is i dont know how im goin to get to my old wood to remove it. Ill try to get some pics this weekend
 
I do believe the Nidacore pourable transom or the Arjay 6011 is better (and cheaper) than seacast, others may agree. You should look at the spec sheets on these products. Many production boats are using the Arjay/Nidacore products (Wellcraft included), I do not know of any using sea cast. Just a suggestion.
 
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