Wednesday, May 29, 2013

Cutting scarfs

Since the boat is a little over 15ft long, the plywood panels are too short.  However, a 12 to 1 bevel cut into the ends and the can be glued together to make 16 ft lengths.

The way you do it is to stack the panels, sliding each edge back the length of the scarf.  The you find a way to remove all of the material that keeps it from being a smooth line.  I used a hand plane, because I only have to scarf 4 panels and it wasn't worth buying a power tool or jig. 

It took several hours with a low angle block plane, mostly because the low angle on it had it skipping across the glue lines on a couple of the panels.  Considering I've never really used a hand plane before I'm learning it all as I go.  I did stop to sharpen the plane a couple of times, and I can get it sharp enough to poorly shave arm hairs, which I suspect is sufficient.


The glue lines make it easy to check that the bevel is consistent.I did a pretty good job based on appearances.  We'll see how it glues up.

It's not perfect, but it's good enough to work.  Just fine for a first effort.

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