If you want to move on to the big leagues of woodworking, you absolutely have to learn how to flatten rough-sawn wood. Thats because the shrink-wrapped 3/4-in.-thick wood you buy at the home center is ...

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In this example, a large rough-sawn beam with a fairly short span is analyzed. The cross-sectional properties for dressed lumber (S4S) are smaller than those for rough-sawn lumber, and it would be ...