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Compression fractures on the back when drying a sapling stave
Tommy D:
--- Quote from: bradsmith2010 on September 30, 2022, 01:45:51 pm ---i dont know, has the bow been strung,, is that the sap wood layer,, is there heart wood,,under it
--- End quote ---
It’s the layer right under the bark… no distinction that I can see between heart and sapwood.
George Tsoukalas:
Tommy, compression fractures happen on the belly not the back.
It almost looks like you strained the stave too much too quickly.
I've never seen that amount of cracks on the back of a stave but then again I am not familiar with that wood most likely.
Check my site for more.
http://traditionalarchery101.com
Jawge
Hamish:
Trees can get compression fractures whilst still alive. Hurricanes, big animals(maybe an elephant or rhino), or being bulldozed, could be causes. The wood is okay to use for static purposes, like furniture, but I wouldn't be using it for a bow.
If you clean up the edge of the stave where a fracture comes out you will see how deep it runs. It will most likely be deep, removing a ring is unlikely to remedy the problem.
superdav95:
Ya it looks suspect. I’d be worried about how deep those cracks or fractures run. If your still intent on making this a bow I guess you could back it with bamboo or sinew back it even. It may not be worth it and get yourself a better piece of wood. Best of luck.
Eric Krewson:
I got these on the back of a well-used osage bow, I never seen this before, the bow is a bamboo backed osage bow now.
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