Reply by Rex B

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Posted on Unique interlocking mortise and tenon joint:Would this work?

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Rex B

320 posts in 2245 days

#1 posted 01-14-2013 10:38 PM

I like where you’re going with your second and third iterations, but in my opinion (FWIW) Thalweg and Loren are right. Thru bolts or at least machine screws into threaded inserts would be much better than wood screws in this case, especially after it has been taken apart and reassembled a few times. Think about how much leverage the top platform (around 7’) would have on the bottom joint (20” off the floor).

The best would probably be thru bolts with spring washers (cone or split) to take up any slack as the wood moves with the weather and keep the joints tight.

-- Rex

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