Proper grain direction
I've always been under the impression that the wooden core in a composite bow should have grain running straight and parallel to the back and belly. But it just occured to me that the cross-section diagram in Payne-Gallwey's book shows the grain at an oblique angle. Is that correct for a Turkish bow or merely an oversight on author's part?
The best person to ask is Cem Donmez. He has done a lot of research and handled many old Turkish bows.
You can send him a PM to scemdonmez .
You can send him a PM to scemdonmez .
Just a comment on the Payne-Gallwey illustration: the "grain" is just cross-hatching and is only meant to be read as wood. The direction of the lines was not intended to suggest the direction of the grain or growth rings.
Best way for the Turkish bow is, grain lines should be straight and parallel. İn addition wood should be died, old bowyers waited for 1-10 years for the wood to die. İf the wood is completely died, Payne-Gallawey illustration can be possible because wood can not 'turn' and the shape will be stable. Oblique parallel grain should not be too much,it is not good as completely parallel.
Cem
Cem