When I found the crown/high spot on the top of my workbench, I did everything in my power to understand what was going on. As it turned out, the bench top was simply drying due to heating of the shop using an electric furnace. This is very normal. Early on I drew sketches and performed some calculations that did not help me understand, and even less solve, the bench top crown issue. In the end, I made a short video of how I flattened the bench top with hand planes.
To help me understand, I relied on some resources from my science and engineering background:
And just this past weekend Sandy received an e-mail message from a friend that pretty much explains what I had missed. A school kid had already found the missing hypotenuse in a trigonometry exam:
I got a good chuckle out of this creative solution. But I am certain this kid failed his trig exam.
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About Al Navas