Installing Transom Cap Doubler

Before installing the transom cap doubler, I placed a fillet on the inside edge between the transom and transom cap.  This is much easier to reach before you install the doubler.DSC00036This is another step where you’ll need a bucket full of clamps.  It’s important to ensure the doubler is up tight against the cap.  I placed small wooden support pieces under each clamp to prevent denting the cap.  DSC00038 Originally, I planned to fill the gap between the doubler and the cap shown above, but after thinking it through, I decided to leave it open to prevent water from getting trapped behind this area.  DSC00039I rounded all the exposed edges with 1/8″ round over bit before installing.  I can’t stand a sharp edge.  DSC00041These backer pieces will be glued behind the hatch openings in BH3 for additional support.  I rolled them with the excess epoxy.  DSC00035Summary:

I’m happy with how this turned out.  I have enough room to drill the holes for the rear traveler line (through solid epoxy) and created a nice area for proper water drainage.

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Installing Transom Cap

With the cockpit coamings installed, I turned my attention to the transom cap.DSC00035 The first step was to shape the transom and deck to better accept the cap. DSC00036I marked the dimensions of the cap on the deck so I knew where to stop filing.DSC00038Laying out the transom cap.  I rounded off all sharp edges with a router and marked/drilled screw hole locations.DSC00037I filed very little off the back side of the transom cap.  I wanted enough material behind the screws to keep them from pulling through the plywood as I sucked the cap down to the deck.  Don’t forget to erase all pencil markings prior to glue down.DSC00039 Transom cap with end fillet.   DSC00040 DSC00044The outboard edges will be filed flush with the gunwales once cure.  I plan to but the rub rail up against the end grain of the transom cap. DSC00046DSC00043I held the transom cap back 1/8″ aft of the transom.

Steps I took:

  1. Neatly marked off screw hole locations
  2. Rounded all exposed edges
  3. Filed the deck and transom for better fit
  4. Placed wet thickened epoxy fillet onto deck & shaped with stir stick
  5. Wet rolled all contact points with unthickened epoxy
  6. Screwed down cap using 1 1/4″ SS screws
  7. Cleaned up squeeze out
  8. Cleaned up all edges with my finger and wooden dowel dipped in alcohol while the fillet was green and moldable.

Summary:

I’m now ready to fit the transom cap doubler to the underside forward edge of the transom cap.  I’ll then transition fillet the ends of the doubler into the existing fillet.