90 Ozark Deck Boat rebuild

Discussion in 'Boatbuilding' started by phil32, Jul 23, 2012.

  1. phil32
    Joined: Jun 2011
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    Location: Indiana

    phil32 Junior Member

    PAR,
    I have my transom made and finishing 3 coats of epoxy on it . My question is after setting it in PB should I cover the entire piece and around the sides with several layers of biax a then begin tabbing the sides. or the reverse.
    Best regards
    Phil
     
  2. phil32
    Joined: Jun 2011
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    phil32 Junior Member

    PAR,
    Sorry should have incl some pics
     

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  3. PAR
    Joined: Nov 2003
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    PAR Yacht Designer/Builder

    No you don't have to cover the transom, the biax is just the "bridge", which we call tabbing, between it and the hull shell or other structural elements.
     
  4. phil32
    Joined: Jun 2011
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    phil32 Junior Member

    PAR
    Would you kindly take a look at the repair to the transom and see if you feel this is adaquate. I have 6 layers of tabbing on the inside and outside corners and 3 full layers covering the entirety.
    Hope this finds you well.
    Best regards,
    Phil
     

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  5. PAR
    Joined: Nov 2003
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    PAR Yacht Designer/Builder

    The gel coat should have been ground back to mat, before the new laminate went on, but I'll bet it'll hold up fine anyway. I'd also like to see the edges have fabric wrapped over them to tie both sides together. A few layers will do. Now you have a bunch of fairing to do. Keep us posted . . .
     
  6. phil32
    Joined: Jun 2011
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    Location: Indiana

    phil32 Junior Member

    PAR,
    Finally got her back on the trailer. I have wrapped the edges with 3 continuous pieces tying in each side. Is this what you had in mind.
    Best regards
    Phil
     

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  7. PAR
    Joined: Nov 2003
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    PAR Yacht Designer/Builder

    Yep, you've learned well Grasshopper . . . now lets see her get wet.
     
  8. phil32
    Joined: Jun 2011
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    phil32 Junior Member

    PAR,
    Thanks for the compliment, keeps me motivated. Im getting ready to buy the deck materials. My local yard has APA Exterior 3/8 Fir $25.75 and yellow pine $19.97 Dont mind spending the money is the fir a better choice?
    Best regards
    Phil
     
  9. PAR
    Joined: Nov 2003
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    PAR Yacht Designer/Builder

    You have to be careful about APA grades. There's only one that's half way good and it's "Exterior", not "Exposure 1", or "Exposure 1, Exterior". Even this stuff is marginal at best, mostly because it lacks a reasonable veneer count and internal defects are quite high. The pine will finish a lot better than the fir.
     
  10. phil32
    Joined: Jun 2011
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    phil32 Junior Member

    PAR
    Thank you for the reply. I made sure to ask if it was APA Exterior 1. No one here carry Marine grade 3/8 however, they do have 1/2 but that would set it above the top of the hull flange.
    Phil
     
  11. PAR
    Joined: Nov 2003
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    PAR Yacht Designer/Builder

    MDO is available in 3/8" and is a slightly better grade than Exterior.
     
  12. phil32
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    phil32 Junior Member

    PAR
    I thought there were problems with MDO holding a screw
     
  13. PAR
    Joined: Nov 2003
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    PAR Yacht Designer/Builder

    The problem with all relatively thin APA sheets, is they don't have enough veneers. Both 3/8" and 1/2" will have only three veneers. MDO is all Douglas fir. Exterior can use a few other species.
     
  14. Oscar002
    Joined: Dec 2016
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    Oscar002 New Member

    Phil,
    I am new to the site, and I am about to undertake a very similar project to this one. Do you still have any pics of the lay out of the deck support system you used and how did you like the results?
     

  15. ondarvr
    Joined: Dec 2005
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    Location: Monroe WA

    ondarvr Senior Member

    Phil was last here around 2.5 years ago, so he may not respond, you may need to start your own thread.
     
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