Inresting Joint

John Burt, a very talented woodworker and blacksmith, showed me a very interesting joint today. Chinese/Japanese in origin, it is used to join wood end to end, especially suited to curves where grain direction = strength. Even without glue this joint will hold together with quite a bit of strength.
Drew it up when I got home and have posted a GIF file to alt.binaries.pictures.woodworking.
Though the illustration is for rectangular parts because it was easier to draw, imagine it subsequently shaped to a circular or ovalized cross section. With a little planning all the shaping can be done on side grain rather than a mix of side and end grain.
Just something to file away for future reference - or not.
charlie b
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charlie b wrote:

Thanks (It's filed)
--
Morris Dovey
DeSoto, Iowa USA
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It is interesting. But a wedged scarf joint is easier to make and may be even stronger. It is commonly used in timber framing to make long beams.
Photo posted on ABPW.
Art

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