Reply by TravisH

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Posted on Joint two dowels - square or round tenon?

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764 posts in 2994 days

#1 posted 09-05-2018 11:14 AM

I have thought about this one before. We can measure all the forces at play and determine the scientific answer but if both methods work for the intended application and we don’t truly know the numbers equates to basically a bunch of woodworkers playing arm chair physicists. Interesting discussion and something I could see Mathias Waddell or other online video woodworker putting to the test. Historical use likely can be used as “best method” of construction.

Historically the pieces I have looked at, old work benches, grape presses, wheels, old wood gears, and other “vintage” wood screw applications always appear to use round mortise. I figured most of that was a function of method of making and ease of repair. Doesn’t get much quicker than drilling a hole and rounding a spoke. Now many of these pieces are hundreds of years old and have been used a few times over that time period and appear no worse from wear. I have observed several that have been pegged but very few.

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