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ERC stave

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willie:
given that the demarcation between sapwood and heartwood in erc doesnt always follow  a grownth ring, can anyone say with experience whether there is much benifit to having sapwood on the back?

if some heartwood is exposed when reducing the sapwood, maybe not such a problem, especially if backed with sinew or such?
https://sapwoodwoorks.com/cdn/shop/files/image_50422273.jpg?v=1713968033&width=1946

Hamish:
Saxton Pope highly rated ERC backed with hickory, so that's another option. What style of bow do you want to make JW?

pierce_schmeichel:
Definitely back the bow with sinew.

Stickhead:
I’ve made my share of ERC self bows, and they are definitely high-risk.   That said, I’ve found that the sapwood helps in tension, while the heartwood is better under compression to limit set, a bit like yew.  It is possible, but difficult, to follow a ring, but if you can manage it and keep roughly 50/50 sapwood to heartwood thickness, you’ll have a good chance of an optimal ERC self bow.  And it’ll look gorgeous!

PaulN/KS:
The sapwood is the "best" part for making a bow but the heartwood smells nicest.  :D
I seem to remember Ryan Yoon making/working on a ERC bow at Mojam some years back..?
I believe he backed it though in the end.

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