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Stringers and Sheer Rails Installed on Sun Wind II

This morning I installed the stringers (1/8" x 1/8" stock) and the inner sheer rail (1/8" x 1/4" stock). I'm fortunate to have a nice table saw that I can mill my own stock with. There was some fir and cedar left over from a wine rack project, so I was able to go out and mill what I needed.



Some things to notice in the picture above:

1. The fin to frame connection. This, again, is my big experiment with this project. The fin is one layer of 1/8" ply, and then 6 layers of 1/16" ply, for a total of 1/2". The layers are then tied into a series of three doubled-up 1/8" frames, for a total of three 1/4" laminated frames. Where they meet, they slot into each other with a total overlap of about 2". You can also see an empty slot for a half-frame that will be added shortly.

I added some 1/4" x1/4" or thicker stock to each of the corners to build up the material. On my actual build, and in my CAD drawings, I've added some 1/8" plywood braces in place of the square stock you see. Hopefully the actual build will look cleaner, and be lighter, than this mock up!

2. You can also see the stringers and the sheer rails. The technique that I've found most useful at this stage is to simply use rubber bands to hold the stringers and inner sheer rails in place while drying. Works very well! The idea can be adjusted for planking too. This image shows the outer sheer rail drying, and it doesn't have rubber bands... just clamps of all sorts.


Peace!


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