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Question about Osage and bamboo?? And bow build

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Selfbowman:
Pics of record bow thickness in the limbs.

willie:
thank for the pics Arvin. lots of Bamboo on the back for sure,
but isnt a lot of the bamboo thickness serving as a core while the outer fibers are doing most of the work?
Kinda like having two lams with different properties?

after working with both the bamboo and osage, do you think the inner culm materiel of the bamboo (not near the surface) is much different in density from the osage used on the bottom half of the bow?

Selfbowman:
Willie I’m going for a 1/4 “ growth ring on the back and about a 1/8” boo belly. Just a guess. Hopefully I’ll be close to fifty pounds. Here are pic s of the stave right now.  Should get bamboo in about a week.

willie:
nice piece of osage there. will be curious what it works like once the boo arrives.
While it's easy enough to see compression damage on the belly of most woods or see set happening that is attributable to the belly,
seeing how the back contributes (or not) after being stressed too much is a different matter. Seeing if osage has superior properties in tension as well as compression will be interesting

Hamish:
Yes indeed, that has got to be as close to ideal osage as I've ever seen.

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