Toerail and Exterior Woodwork
Winter 2004-05
Work on the exterior wood projects was ongoing throughout the winter as time allowed. Some of the wood really needed to be installed before finish primer and paint, to minimize the chance of damage. Other parts could easily be installed at the end of the project. I have collected all of the woodworking projects togther onto this one page however, rather than try to put them into any sort of chronological sequence.
Toerail
All
along we had planned to replace the old semi-rotted,
stained, and just plain ugly toerail. We weren't sure
exactly what we wanted the new rail to look like, however.
One thing that had been in my mind was to put Spartan
Marine bronze mid-rail cleat/chock castings. Although
we ultimately decided not to use the chocks, we ended
up building the new rail based on the profile required
to fit those chocks. The first step was to mock up the
rail based on the measurements in the Spartan catalog
to see if the resulting rail was pleasing to us. The
design called for a 90 degree angle inboard, with an
11 degree bevel on the outboard side.
Satisfied
with the look of the rail, the next step was to mill
the basic profile. We chose, like the rest of the woodwork,
to use mahogany for the toerail. We had some 17-foot-long
5/4 mahogany boards delivered to the shop and after
a marathon planing session I was able to mill out 4
lengths of toerail stock on the table saw.
Once the pieces were milled, the next step was to scarf the lengths together, giving me two 34-foot-long sections of toerail. After the epoxy cured, I sanded everything down and put on two sealer coats of varnish. Finally, I cut one end of each toerail to fit at the stem.
At
this point I enlisted Tim's help and we wrestled the
floppy things up onto the deck of the boat. We tied
the stern end of the rail to backstay chainplate using
a 3 foot piece of line just to keep the end from "winging"
out while we fought with the forward end. Tim and I
pulled the forward end in and he held it in place while
I drilled, countersunk, and drove in a screw. We then
proceeded aft with Tim pushing and pulling to get the
rail in place while I drilled, countersunk, and drove
a screw every 9 inches. When we were finished, several
feet of rail were protruding past the end of the
transom, but I hadn't decided exactly how I wanted to
end the rail, so I just let them run wild.
We
then repeated the process on the starboard side. I was
thrilled with the way the new profile looked! Sadly,
this was only a dry fit and now that we had gotten the
whole thing installed, we had to take it back off so
that we could install it permanently with 5200 as an
adhesive and sealant.
I applied a heavy bead of mahogany-colored 5200 to the flat on deck where the toerail would be attached. We then wrestled the pieces back in place and I drove the screws home. This proceeded without notable incident, besides being unbelievably messy, with 5200 squeeze-out everywhere. After the 5200 cured I was able to install the 90 or so bungs to cover the screws.
Rubrail
With
the toerail in place, I was able to turn my attention
to the rubrail which in addition to giving the whole
affair greater visual interest and bulk, was necessary
to cover the hull deck joint. The rubrail I had in mind
was little more than a small trapezoidal piece of wood
with a slight rabbet to allow it it fit tightly against
the hull. I ran a short test piece to determine the
specifics of the cut angles, sizes, and order. I then
milled several 8 foot sections. These were installed
with screws and bedded in 5200. Once this was finished,
I was able to get
started on my varnish regime.
Taffrail
Over
the course of the winter I had been pondering what to
do with the taffrail. I didn't really want to just slap
a solid block of wood back there and Tim suggested creating
some sort of raised open design. After some thought
and playing around with blue foam mock-ups, I decided
to use three solid wood blocks to raise the taffrail
up so that it sat on top of the toerail. I also decided
that the blocks and toerail should continue the angle
of the transom. This would allow the taffrail to actually
sit slightly overhanging the stern.
I
placed one block on the centerline, and centered the
other blocks in the space between the center block and
the toerails. (Note that the chainplate is attached
to the side of the knee, and so is slightly off-center.)
I also decided that the blocks looked "funny"
lined up parallel to the center line, because of the
angle of the toerail as it tapers toward the stern.
Instead, I had each edge at a progressively larger angle.
To figure this out, I first drew reference lines parallel
to the center line. I then measured the angle of the
toerail and drew a line at the centerline of the outer
blocks which was half of the measured angle
of the toerail. I then added 2 degrees to that measurement
and drew a line at the location of the outboard edge
of the block. I subtracted 2 degrees from that angle
and drew a line at the location of the inboard edge
of the block. This is much harder to describe than it
was to do! Look at the reference lines in the photo,
and it will probably make sense.
My
original plan had called for simply bending a solid
mahogany board into place over the blocks, but the camber
of the deck in this location was much greater than it
appeared and I actually broke the board trying to bend
it into place. Instead I had to laminate the taffrail
out of three 1/4 inch boards. The easiest way to do
this was to actually laminate it in place, using the
blocks and toerail as the form. I test bent the pieces
first, before breaking out the epoxy. Everything seemed
OK, so I dove in.
I
covered the whole stern of the boat with heavy gauge
plastic, got all of the available clamps lined up, and
started mixing the epoxy. While messy, the procedure
was actually pretty straightforward. I placed the stack
of boards in place and drove a single screw through
them and into the center block. I then drove screws
throught the two ends into the toerail. With the taffrail
thusly bent and pinned in place, I was able to use a
multitude of clamps to tighten everything up as best
as I could.
Once the epoxy cured I removed the clamps and removed the taffrail from the blocks. This was a bit of a challenge since the screws were epoxied in place and I promptly broke the heads off of two of the screws. Wit much swearing, drilling, grinding, and prying I was eventually able to remove the rail without damage.
I
had previously made a template of the molded flat where
the old taffrail was installed, as I wanted the new
raised taffrail to be the same size and shape. I transfered
the curves to the new taffrail then cut it out using
a jigsaw with the blade angled to match the angle of
the transom. I finished up the shaping using my DA sander
withthe taffrail temporarily installed. Once I was happy
with the shape, I applied several coats of varnish to
the underside, then installed it with screws and epoxy.
Click
here for another view of the finished taffrail.
Seahood
Part
of the plan for the exterior renovation was to replace
the old painted fiberglass-over-plywood seahood with
a nicely built and finished mahogany one. My design
called for a mahogany plywood top framed with solid
mahogany. This would be attached with epoxy and screws
to the solid mahogany sides. Because the mahogany ply
was only 3/8 thickness, and I anticipated occasionally
standing on the hood, I laminated the mahogany ply to
a similar thickness of birch ply for increased strength.
Rather
than having a perfectly square-sided hood, I decided
to carry the 11 degree angle used on the toerail throughout
the other woodwork on deck. To this end, the sides of
the the hood were at 90 degrees for about 1 inch, but
then beveled inboard at 11 degrees. Additionally, I
wanted to highlight the joinery somewhat, so I used
a large box joint for the corners.
Once
the hood was test fit and was sitting nicely on the
curved coachroof, I was able to attach the top to the
sides. After the epoxy dried, inserted mahogany bungs
to cover the screws then planed and sanded everything
smooth. I had been careful to leave the solid mahogany
frame slightly proud of the plywood, as the veneer on
these plys is notoriously thin. In this way I was able
to plane the solid wood down to the height of the ply
without worrying about planing or sanding through the
veneer.
Once this was finished I was able to proceed with varnish. Even after just two coats the hood really gleamed! I installed it on deck with polysulfide sealant and fastened with screws up from inside the cabin.
Forward Hatch
The old forward hatch was just a plain raw fiberglass lid. We knew that we wanted to get rid of the old, and the price of a new lexan hatch by Bomar or Lewmar seemed a bit steep, so I decided to build my own.
The
first step was to build a basic frame. I continued the
angles and box joints that I used on the seahood with
the frame pieces for the hatch. Once the frame was built
I clamped it in place, leveled it athwartship, and scribed
the deck camber onto the fore and aft frame pieces.
I was then able to get a nice tight fit.
I
then built a slightly smaller frame to fit on top, with
a rabbet to sit over a wooden flange to give some measure
of watertightness. For a lens we chose smoked grey acrylic,
3/8 inch thick. The acrylic arrived from the glass shop
cut pefectly, but the edges were razor sharp, so I eased
them with some sandpaper. I then predrilled the lens
and installed it using massive amounts of butyl rubber
sealant and pan head screws. The glass shop had warned
me not to countersink, as an oval or flat head screw
in a countersink could very easily be overtightened
and break the lens.
The
wood was finished with about 7 coats of varnish. I installed
the frame on the boat using polysulfide sealant and
screws up from the interior. I installed a pair of hinges
and a Bomar hatch riser and the project was finished.
We are thrilled with both the looks and function of
the new hatch, as it lets a ton of light below—a
great upgrade. Click
here to see the hatch in the open position.
Companionway Trim
There
is little to report about the new companionway trim.
Basically I just replicated
the old trim pieces with little modification and
reinstalled them. I did take the time to countersink
all of the screws and cover them with bungs however—something
that wasn't done in the original installation. Once
the various pieces were installed, I finished them off
with 5 coats of gloss varnish.
Anchor Platform
We
planned to build a replacement anchor platform to hold
the rollers for our two primary cruising anchors—a
CQR and a Bruce. The old platform was functional, but
ugly, and wouldn't work with the new taller toerail.
We decided to build a new platform of a design similar
to that which Tim had used on Glissando. This was a
simple but effective design. The platform was 11 inches
wide by about 40 inches long and supported at the forward
end by the toerail itself. At the after end I built
some supporting feet.
I
finished the platform with about 7 coats of varnish.
It was installed using six bolts through the deck and
a substantial bed of polysulfide sealant. The rollers
and cleats were simply bolted
through the platform itself, and backed with fender
washers.
While this platform seemed beefy, it was actually destroyed in a May storm that brought 40 knot winds with strong wave action to our anchorage.
Recent comments
7 weeks 2 days ago
7 weeks 2 days ago
7 weeks 2 days ago
7 weeks 3 days ago
7 weeks 3 days ago
7 weeks 5 days ago
8 weeks 21 hours ago
8 weeks 1 day ago
8 weeks 1 day ago
8 weeks 1 day ago