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Oak as core?

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sleek:
I've had a core chrysle without a problem on the belly or back. I used a very soft wood as a core and a bamboo back. I dont know what I used on the belly, but the belly developed a hinge right there. Which came first, idk?

stuckinthemud:
Hornbeam is nigh on impossible to get here, what about hawthorn?

bownarra:

--- Quote from: DC on September 24, 2019, 01:58:07 pm ---Have you ever had a core break without the horn or sinew breaking?

--- End quote ---

Yes :) It happens when the sinew isn't thick enough or the back sized correctly and the correct thickness of glue.
After making lots of wooden/sinew bows I thought I had the sinewing process totally down and hardly even thought about it....it's just like sinewing a wooden bow right? Wrong my first few failures were all down to sinew lifting on the back and the core then failing. The interesting thing is the bows can still just about be shot....which goes to show just how bombproof a good sinew backing is.
To avoid these problems treat the sinewing job as carefully as you treat the core to horn joint (getting a perfect sinew job is not easy).

bownarra:

--- Quote from: sleek on September 24, 2019, 02:09:52 pm ---I've had a core chrysle without a problem on the belly or back. I used a very soft wood as a core and a bamboo back. I dont know what I used on the belly, but the belly developed a hinge right there. Which came first, idk?

--- End quote ---

Sleek a hornbow core is undergoing quite different forces. Comparing a core on a wooden bow and a hornbow core is a bit like comparing apples and oranges. They would break/fail for different reasons.

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