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The drive to flipping

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This was the drive to get ready to flip the boat, as I had folks coming over on Boxing Day to do the deed. I wanted to get the topsides basically fully constructed before that, meaning everything that needed to be glued on to the boat was glued on, epoxy had been applied, etc. Basically everything ready for paint, without actually applying the paint.

Three main items were on my punch list:

  1. The transom cap
  2. A handhold mounted on the aft edge of the cabin top
  3. Reinforcements for the oarlocks

Transom cap
#

First up was just a dry fit with some clamps to see how this would all go together. I cut out a doubler piece from some spare plywood and initially dry fit it without the cutout in the centre aft portion of it needed to make room for the doubler glued to the inside of the transom itself.

Doubler is a bit long but looks like it will fit ok
But there are gaps like this on either side right near the transom that'll need to be filled

Before beveling and final fitting of the cap itself, I needed to deal with the raised cockpit side at the transom that happened because the instruction manual sucks.

The raised portion in question
After some quality time with my grinder and random orbital sander

Then a tighter fitting.

Beveled the underside of the cap and doubler stack
Dry fit looking better
Wedges cut to fill the gaps on either side wound up being pretty small
Pretty good fit in the front

Before installation I just needed to cut a few wedges to fill the space between the deck and the transom cap. These I cut out of some spare wood I had lying around on the table saw. I don’t even think they’re the same species actually - one’s cedar and one’s a hardwood of some kind.

Larger wedge cut to the right bevel
Mark and cut off the overhang
Nice tight fit

Nice tight fit

The glue up was pretty straightforward, and just needed a bunch of spring clamps, nothing too difficult.

Cleaning up the squeezeout is always difficult when using spring clamps
Close up of one of the corner wedges

After the glue set I sanded the outside edges smooth and started to work on the front edge.

The wedges worked really well for smoothing out the rear corners
The front edge will need a little work, plus probably a fillet to round the transition to the deck
A little sanding applied
Front fillet applied and you can see the wedge under the cap fully filling the space

Cabin top handhold
#

From the forums one of the suggestions was to add a raised ridge or lip along the aft edge of the cabin top, as that provides a much easier way to grab on to something while standing in the cockpit. It does have drawbacks, in the sense that all the mount points for lines further forward on the cabin roof (cleats and pulleys and such) will have to be raised so that the line as it leaves the cleat isn’t in a position of having to go up to get over the handhold.

But that said, it seemed like a good idea. I wanted to make mine somewhat substantial to grab onto, as well as route in a little groove on the leading edge that my fingers could grab into.

I had a lot of cedar left over and not a lot of hardwood at all, so while I would have preferred to build this out of hardwood, I went with cedar instead, cut out a bunch of strips, and then laminated them together on top of the cabin top to match it’s curve.

Laminating the strips together

Laminating the strips together

After the epoxy cured, I cleaned off the squeezeout using the belt sander, then ran the whole thing through a planar a couple of times to get to a common front to back thickness of about an inch, with a height of about 7/8 of an inch.

To get the groove, I used my table router with a special bit I had to go buy. It worked ok, although the start of the groove was pretty jaggy before I got the hang of how to get the piece smoothly through the router.

The very start of the groove was not smooth on the router
But luckily I built this longer then I wanted it - will just trim off the ends

After trimming the ends off (and cutting them at such an angle that they’d be vertical when on the boat), and sanding the rest of the interior finger track, the piece was ready to glue on.

Cut down to size and finger groove sanded smooth

Cut down to size and finger groove sanded smooth

Epoxying it down was pretty simple, just had to remember to use pads under the clamps since the wood was pretty soft.

Glued on using pads for the clamp to protect the soft cedar
Front edge with finger groove

I have a 1/2" oval round in brass that I’ll eventually screw on top of this to help with wear from lines running over it into the cockpit.

Preparing for oarlocks
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The last step was to prepare for oarlocks. I went back and forth about what kind of oar locks I should use but eventually decided on top mount ones. Given that my cockpit coaming cap is pretty wide I figure I should be able to mount these nicely to the cap itself.

However, that will need a little reinforcement, particularly since rowing will put some strain on the oarlocks. I need to add some reinforcements to help transfer some of that down to the deck and hull.

First step is to figure out position wise where to mount them. The plans indicate putting them roughly 7" forward of bulkhead 6. Different people have mounted them in different spots though based on what felt right. Well, time to get in the boat, use some clamps to hold oar positions, and figure out what works for me.

Seat in place, clamps to hold oars, climb in and see how it feels

Seat in place, clamps to hold oars, climb in and see how it feels

I eventually choose a spot about 7.5" forward. I’m tall and I liked the reach.

Now for reinforcements, I need two parts:

  • a small piece of fir to extend the “shelf” on which the cockpit side caps sit to make it full width. This will add a little strength as well as give more material into which the oarlock can be mounted.
  • Side gussets that will connect the cockpit side cap, the cockpit coaming, and the deck all together to help transfer the stresses from rowing down into the hull.
The three pieces, rough cut, to be installed on each side
Close-up of the limber holes and how the gusset will attach to all three surfaces above, below, and behind it

To get a better shape to the gussets I wound up using one of the rounds I made for my portholes as a nice sized curve.

That's a nice gradual curve I'm looking for
Dry fit

I decided that, before gluing these in, I’d coat them three times in epoxy. Figure it’s easier to do this now then after they’re installed, and means that after installing and filleting the whole assembly will basically be ready for paint right away.

Coating in epoxy and set next to a lamp to dry

Coating in epoxy and set next to a lamp to dry

Gluing them in was a matter of gluing the part underneath the cockpit cap first, then doing each side.

Clamped in place
Glued in, some filleting and filling/smoothing still to come

And that was it, the boat was ready to flip.