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lapstrake planking

Discussion in 'Traditional All-Wood Construction' started by adkrover, Feb 19, 2015.

  1. adkrover

    adkrover Curious about Wooden Canoes

    .'m planking a decorative hull lapstrake style using clear pine. I cannot seem to clinch tack the laps without splitting the planking. I am clamping the lap and using a bucking bar to roll over/clinch tacks. Before the head of the tack even gets flush with the planking most of the planks are cracking. Using about 3/16" planking.
     
  2. Mark Adams

    Mark Adams all wood nut

    Are you pre-drilling? That might be the problem if you are not.
     
  3. OP
    OP
    adkrover

    adkrover Curious about Wooden Canoes

    Yes I did predrill, quite snug hole.
     
  4. Mark Adams

    Mark Adams all wood nut

    Maybe a slightly larger hole? Pine splits pretty easily. Since it doesn't need to be watertight, there is no reason to not over-bore it.
     
  5. OP
    OP
    adkrover

    adkrover Curious about Wooden Canoes

    couple of pics of first 6 planks ect;

    P2191604.jpg

    P2191605.jpg
     
  6. Rollin Thurlow

    Rollin Thurlow member since 1980

    Too long of a clinch nail could cause splinting also.
     
  7. OP
    OP
    adkrover

    adkrover Curious about Wooden Canoes

    tack size

    Is there a rule of thumb for tack size-vs plank thickness?
     

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