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Yew billets belly drop build with sinew backing.
superdav95:
--- Quote from: Selfbowman on January 21, 2024, 07:33:14 pm ---Dave how thick is your drops at the z splice? I want to have minimum 3/4 to 1”.
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Mine here is about an inch. The handle section glued on after is about 3/4”
DV IN MN:
If you are gluing a handle piece on at splice how thin can the splice area be without fear of failure? The assumption that the handle piece glued on will stiffen and add strength to the splice area.?
mmattockx:
--- Quote from: DV IN MN on January 22, 2024, 05:08:24 pm ---If you are gluing a handle piece on at splice how thin can the splice area be without fear of failure? The assumption that the handle piece glued on will stiffen and add strength to the splice area.?
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If you were to glue an overlay over top of the splice on the back and a handle riser on the belly the splice doesn't need to be very thick at all, no thicker than the limb thickness at the end of the fades.
It isn't just an assumption that the handle adds stiffness and strength, it is an structural fact.
Mark
superdav95:
Ok guys. I got my billet belly drops basically shaped up to the following dimensions, approx 1/2” thick the entire length of each limb and ttt length at about 63-64”. I’ll be cutting a little off so Likely closer to 62-63” ttt. Limb width is 1 3/4” at widest and very slight taper to 1 1/2” at 10” from the tip where it narrows to 1/2” or so. It will end little narrower in the end. The handle is 4” with typical fades that dip into the limb wood. I’ll be flipping the tips slightly and trying to get as much reflex as I can get from the sinew backing. The other piece of yew shown here is a comparison build that will also receive same amount of sinew as the billet bow. Goal is to build one yew billet heartwood sinew backed bow around 50lbs and then compare it with the selfbow then sinewed over the sapwood. Both aiming to be 50lbs in the end at 28”. Both similar dimensions and length ect. I’ve always wanted to try a sinewed yew bow with and without sapwood so figured I’d try one of each method. The stave I’m using is less then ideal for a selfbow anyway as there were some inclusions and sapsuckers that got to it. It also has a fair bit of crown too. I think it’s a good candidate for this project. Thanks for following along!
superdav95:
Few more…
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