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Author Topic: Longitudinal cracks  (Read 1642 times)

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Offline Kidder

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Longitudinal cracks
« on: November 27, 2020, 09:35:45 pm »
Wrapping up my most recent project - another hickory board bow. Two very narrow longitudinal cracks developed early in the tillering process. I filled them with thin CA as well as I could and moved forward and tillered it out. I can’t tell if they have lengthened or not - if they have it’s not by much. My thought is that I could do a sinew wrap to apply compression to them, but I’d really rather not. Thoughts on the risk these cracks pose and if significant, what the best course of action is? Thanks!
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Offline Morgan

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Re: Longitudinal cracks
« Reply #1 on: November 27, 2020, 09:41:31 pm »
The one running along the edge would worry me. I would wrap it just for insurance .
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Offline Kidder

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Re: Longitudinal cracks
« Reply #2 on: November 28, 2020, 12:55:14 pm »
Would a thread wrap provide any benefit or is sinew really the only way to go? Has anyone had any luck using a leather dye on sinew to class it up a little? And will it in any way effect the tiller? Thanks!
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Offline bradsmith2010

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Re: Longitudinal cracks
« Reply #3 on: November 28, 2020, 01:08:44 pm »
is that belly or back
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Offline Kidder

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Re: Longitudinal cracks
« Reply #4 on: November 28, 2020, 01:15:51 pm »
Quote from: bradsmith2010 on November 28, 2020, 01:08:44 pm
is that belly or back
Both are on the back
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Offline Pat B

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Re: Longitudinal cracks
« Reply #5 on: November 28, 2020, 01:25:11 pm »
Be sure both checks are filled with super glue. A thread wrap will work if you wrap tightly then set in glue. Super glue for this too.
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Make the most of all that comes and the least of all that goes!    Pat Brennan  Brevard, NC

Offline Kidder

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Re: Longitudinal cracks
« Reply #6 on: November 28, 2020, 03:04:23 pm »
Thanks for the input guys. I ended up filling the cracks with ca as best I could before I finished tillering. I then opted for a sinew wrap as I have some from the mule deer I just harvested. Never worked sinew before and was pleasantly surprised. I used the titebond hide glue and will seal it with Truoil next. I think it looks pretty decent actually. Thanks!
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Offline George Tsoukalas

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Re: Longitudinal cracks
« Reply #7 on: November 28, 2020, 07:17:04 pm »
Shoot'em with CA and clamped is what  I do. They are not a problem unless they run off the edge and even then they may not be. Jawge
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Offline Pappy

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Re: Longitudinal cracks
« Reply #8 on: November 29, 2020, 05:26:54 pm »
The top one wouldn't worry me at all, the bottom might be a problem if it runs back into where it looks like you cut the fad. I would for sure wrap it . :)
 Pappy
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Offline Kidder

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Re: Longitudinal cracks
« Reply #9 on: November 29, 2020, 07:40:07 pm »
Quote from: Pappy on November 29, 2020, 05:26:54 pm
The top one wouldn't worry me at all, the bottom might be a problem if it runs back into where it looks like you cut the fad. I would for sure wrap it . :)
 Pappy

That was exactly my concern.  I wrapped them both. More for aesthetic balance than anything. I’ve shot over 100 arrows through it and I don’t believe the cracks have moved. So I’ll finish it up and keep my fingers crossed. Thanks!
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