So I have this nice ten-foot 2x6 that I want to rip into a couple of sticks
2 1/5 wide, then glue them up to give me a blank 2 1/2 by 3. (I'm trying different ways of making oars). The original plank is a nice, straight specimen of construction-grade spruce from the local lumberyard (NOT a borg). As I rip, the kerf begins to close, so I wedge it open and continue. After the cut is complete, I have one more or less straight chunk, and one that curves a good four inches over its ten foot length. This is not uncommon, but my question is: how come does it do that? Is the stress release due to drying, or is it locked into the tree as it grows? Are there clues to look for in the planks in the lumberyard pile that would reduce the chances of this? (I'm thinking of grain orientation, or where in the log the plank came from). Any good references? Thanks.- posted
15 years ago