lundi 26 janvier 2009
One more deviation to talk about... On the original drawing, there is a forward bench, made for rowing. As we mainly plan to sail, we decided to replace the bench with a deck. The opening in the frame A will be closed by a 10" hatch.
The forward post goes through the deck and will be glued to the bow.
The aft frame C will also be closed with a small 4" hatch.
I always wondered from the original drawing, how it was possible to install the aft bench. There is a filet inside, but no real access...
After thinking probably too much about it, we decided to glue pieces of wood along the 4 sides (hull stbd and port, transom and frame C). The bench; once cut will come and rest on these support at the right place. We will then filet the external side of the bench and put some fiberglass to reinforce everything.
vendredi 23 janvier 2009
jeudi 15 janvier 2009
I wanted to install the inboard gunwall 15 mm x 35 mm in one go... But I found it difficult and was afraid to damage the fragile nut...
So I cut 2 pieces of wood 7.5 mm x 35 and will instal them in 2 steps instead of 1.
Starboard gun wall is in place with thickned epoxy.
On this picture, you can as well see the center frame and dagerboard cage (24 mm wide inside).
I found a spot on the upper chine, around the aft frame, where the chine was deviating in and out... One would not noticed, but once I saw it, I could not leave with it. With the circular saw, I reopened the chine...
And then play a bit, open here and close there. Once I had the right curve, all was glued together and covered with fiber glass.
That's my learning curve!
Note that I found similar problem, much more obvious on the bottom of the boat. You must be very careful with that center chine, otherwise the bottom of the boat will be looking like a wave!
Le puits de dérive...
Plywood 6 mm on both sides. Note that I covered the inside with fiber glass, to avoid premature wood wear.
The holes for the shaft must be drilled before to install the frame in the boat, as the access inside the boat is very limited on both sides once in place.
Once all the boat chines are covered with fiber glass, you can remove the center frame, it was there temporarily only.
Then you cut the frame into two pieces and glue it together with the dagerboard cage. The hull will be cut off later.
Once the tie rap is cut off, you can lay the fiber glass.
In areas where the wood is highly stressed, I leave the tie raps and increase the thickness of the fillet to hide the tie raps. There are great chances that the filet opens without the tie raps, prior the fiber glass is in place.