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Post by checkmax on Sept 15, 2014 21:22:13 GMT -5
Hi all, Can anyone steer me toward a good resource for constructing these kind of round timber joints?  I'm looking to build a combination of 4, 6 and 8in diameter fence posts similar to what's holding up the post and beam structure for the tunnel. The joints look very tight and was curious how they connected/cut the mortises. Thanks |
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Post by GhostFist on Sept 16, 2014 4:37:14 GMT -5
I can't help you but interested to find the answer
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Post by wrightwoodwork on Sept 16, 2014 10:59:31 GMT -5
I haven't done myself it is basically done by scribing one log to the other it can be done with fancy log scribes or simple compass will also work as long as it can open wide enough. Here if is being explained northernwoodlands.org/articles/article/scribe-saddle-notchIt is properly one of them jobs that looks harder than it is and when you start to do some of the things you can't get your head around fall into place. As long as you can scribe and have a steady hand then it will slowly get there |
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Post by checkmax on Sept 16, 2014 11:14:08 GMT -5
Thanks that's helpful.
I was looking at the end joinery. It looks as though the smaller posts are inserted directly into the larger. Assuming everything is more or less round, I'm wondering how the mortise was cut on the large post and the tenon cut on the smaller cross piece to get them to fit so tight, especially on the round like that.
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Post by checkmax on Sept 16, 2014 11:53:09 GMT -5
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Post by wrightwoodwork on Sept 16, 2014 12:27:16 GMT -5
What I would do is mark and cut the tenon on the transom. It will need reference lines marked. Which you could use a chalk line or ink line. Then I would find the center of the log and mark a line passing from the chalk line passing through the center mark. I would do the same at the other end and ping a line between the two marks. This would give me my center line for the tenon. Then I would cut the tenon. I would then make the mortises. At the stage I wouldnt worry too much about the scribe. I would then put the tenon into the mortise. Then using a compass I would then scribe the shoulders if the tenon to the post. Then I would cut to the line with a chain saw. Refit and make any adjustments. It is not something I really do. It is basically how would approach it.
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