As promised in a previous post, here is a step-by-step account of transforming the structural material-formerly-known-as-tree.
The marks guide his cuts for a corner notch or corner tongue. The corner notch or tongue is made in the ends of logs that will meet at the corner of the house, so that they overlap like so:
After measuring and then marking the logs, the Husband makes the cuts with a chainsaw and hand chisel.
Chiseling corner notch.
Using chainsaw to cut corner tongue.
Another type of joint, the lap joint, is made where two logs will meet in the center of a wall. The end of one is cut to slip over and the other under, so that they join togther to be a single course. The initial cut for the lap joint is made on the sawmill, by simply cutting the end of the log, horizontally, four inches down. Later, on the sawhorses, the vertical cut is made with a chainsaw, resulting in this:
Please join us next time, for the continuing saga.