Building the Hull
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Enlarged View
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Bottom Panels
The bottom panel pieces are
first cut out from ¼” Meranti Plywood. The bow and stern sections on each
side glued together with butt blocks. The port and starboard sides are then
stitched together with cable ties. Keep the ties loose at this point so
everything can move easily with no binding.
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Starboard Side Panel
The side panel pieces
are then cut out and glued together with butt blocks. These are then stitched
to bottom panel.
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Port Side Panel
The port side is done
the same way
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Transom
The Transom is then
stitched in at the stern.
Viola, Instant boat.
The cable ties are
clearly visible along the chine.
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Bulkheads and Stringers
The bulkheads and
stringers are then cut out and test fit inside the hull. I used A/C Fir for
the these parts but would not do it again.
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Shop Dog checking it
out
The shop dog is making
sure the bottom is fair. He is good at this since he is always laying down on
the job.
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Fillets
Fillets are added along
the seams after which the cable ties are removed.
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Precoat
The inside of the hull
is coated with epoxy to seal the wood.
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Sand and Grind
Sand the bottom to get
ready for glassing the seams and bottom panels. I had to do this since I let
the epoxy cure too long before doing the next steps. Get used to this white
stuff because you will see a LOT more of it. A good sander and angle grinder
are your friend.
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Tape Joints
The joints are taped
with biaxial cloth and the bottom sanded getting ready to glass the entire
bottom inside and out with biaxial cloth.
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Getting the Bottom
ready
The edges are all rounded off so that the biaxial tape
will lay smoothly without air bubbles. The shop dog is making sure the boat
does not move.
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Supporting the Hull
I ended up supporting
the hull along the chine and keel only to keep the hull as fair as possible.
The Seams are taped with Biaxial tape.
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Glassing the Bottom
One side of the bottom
is covered with biaxial cloth at a time. This needs to be done in one
continuous operation to ensure a good bond. Start at one end and work toward
the other end in small sections. Mix the epoxy, pour it on the glass, spread
it in with a squeegee, then roll it with a ribbed fiberglass roller to get
out all the bubbles. Repeat on the next section. This will use a lot of epoxy
so make sure you have enough before you start. Also do not let the epoxy set
in the pot to long or it will set up. Get it on the glass and spread out so
you will have plenty of time to work with it. Use the slowest hardener you
can find if it is hot.
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Bottom Finished
Both sides are glassed
and ready for fairing. Shop dog approves work but wants to know when we get
to go fishing?
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