Primitive Archer
Main Discussion Area => Bows => Topic started by: DC on August 16, 2016, 06:14:14 pm
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This piece of yew is the second stave from a bent piece. The first was cut from the center of the outside bend. This one is from right beside it. As a result the back slopes to one side for the full length. In the picture it slopes from right to left. I hope you can understand what I'm trying to say. Do you think this will affect the bow in any way? I'm planning an R/D and have reflexed the tips a bit. I will do more later.
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Get it to low brace and see where the string tracks. Yew manipulates well with dry heat and steam.
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All the oldtimers used to shave or rasp/file the sapwood across the stave so the back looks flat. Essentially decrowning/lumberising the wood across the width, but along the length the grain is still followed.
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I haven't worked yew before but the hickory stave I'm working on had some sloping and undulations up and down the limb. I would second the advice to get it to low brace and see how the limbs are bending. If you notice the limb going off-center (twisting) while bending then I would refer to the excellent sticky on limb twist in this forum.
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There are several different ways of dealing with it, often the solution is a little of each.
Pat B nailed it by saying see what it wants to do.
I've done 'em where I've had thick sap wood one edge and thin the other, others I've kept the sap even and shaped the belly to match the back, others I've heat corrected and some it's a little of each.
Del
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I leave the handles wide and the nocks wide so I can adjust the tiller.
If th string tacks ok I don't worry about it.
If not I may do this:
http://traditionalarchery101.com/fixtwist.html
Jawge