Building the Hull

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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?