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Author Topic: Saddle notch with hewn logs?  (Read 385 times)

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Offline Lyndaker

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Saddle notch with hewn logs?
« on: September 23, 2020, 11:57:29 AM »
I have built multiple buildings with round logs and compression fit saddle notches. My next home I want to use hewn logs, flattened on the inside and out. Round logs look nice but are unhandy on the inside for pictures, dressers or anything that goes against the wall. 
While I could use dovetails or half dovetails for the notches, I know how to make compression style saddle notches efficiently. I'm wondering if it would work to use saddle notches for hewn logs in place of dovetails? What issues might I run into? Has anyone done this? Do you have any pictures of the finished notch? Any thoughts or help would be appreciated. 

Offline D L Bahler

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Re: Saddle notch with hewn logs?
« Reply #1 on: October 01, 2020, 10:13:10 PM »
Nobody's answered this I see.

Basically, the various joints used with squared timber construction exist to deal with the problems introduced by cutting the timber square. A round log is (relatively) stable, whereas a squared timber will have the tendency to twist and  deform quite a bit more. The different sorts of interlocking joints used with squared timber construction are used to help alleviate some of these problems. Some work by locking the joints in such a way as to prevent some kinds of deformation. Others work by being designed to still be stable if the wood moves within certain tolerances, etc. 

All that is to say, you could use compression saddle notches if you want, just realize that they might not look so pretty in a few years. Maybe even could be a structural liability. 

If simple is what you want, I'd suggest Alpine style interlocking corners -with passed lap joints. They're pretty simple and fast to cut, and also create a tighter and more "leak proof" joint than dovetail-style corners. They might not look as pretty to some, and certainly the artistry of the joint is concealed from view, but it's extraordinarily functional and efficient. 

As always, I heartily recommend massive roof overhangs with any wooden structure. nothing less than 24"

Offline Lyndaker

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Re: Saddle notch with hewn logs?
« Reply #2 on: October 03, 2020, 04:00:19 PM »
Do you have any pictures or diagrams of the joint? I looked online but couldn't find any.

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