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Author Topic: Sinew Backed Yew Build Along.*finished pg.14*  (Read 103786 times)

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Offline Bryce

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Re: Sinew Backed Yew Build Along.
« Reply #75 on: January 05, 2013, 07:49:09 pm »
Hey thanks josh where yah been?
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Clatskanie, Oregon

Offline Arrowind

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Re: Sinew Backed Yew Build Along.
« Reply #76 on: January 05, 2013, 08:14:07 pm »
LOVE this build along.  THANKS for sharing.  I've never sinew backed a bow but have been wanting to.   What are your thoughts about the tite bond hide glue?  I've heard it wasn't good for backing bows??? ???   I have seen another build along online and the guy used the same stuff.  Seemed to turn out ok for him.  I really hope it works.  Looks like an awesome bow.     
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Offline BowEd

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Re: Sinew Backed Yew Build Along.
« Reply #77 on: January 05, 2013, 08:39:22 pm »
I see.Rewetting the back with more courses after tillering to 25" then reversing it will accomplish the same thing.No matter what order it's done.That sinew is some easily manipulated wonderful working stuff.It's kind of a long haul but the rewards are worth it.I'm waiting on a couple of bows to cure here too myself.A maple and a dogwood.
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BowEd
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Offline PatM

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Re: Sinew Backed Yew Build Along.
« Reply #78 on: January 05, 2013, 09:30:03 pm »
I don't think it's the greatest idea to bend the bow and then  go back and reverse brace and add more sinew. You're telling the stave one thing as far as neutral plane location and then changing it.
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Offline Bryce

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Re: Sinew Backed Yew Build Along.
« Reply #79 on: January 05, 2013, 10:05:09 pm »
Quote from: Arrowind on January 05, 2013, 08:14:07 pm
LOVE this build along.  THANKS for sharing.  I've never sinew backed a bow but have been wanting to.   What are your thoughts about the tite bond hide glue?  I've heard it wasn't good for backing bows??? ???   I have seen another build along online and the guy used the same stuff.  Seemed to turn out ok for him.  I really hope it works.  Looks like an awesome bow.   

From what I have heard and can see for myself it works all the same.

Quote from: Beadman on January 05, 2013, 08:39:22 pm
I see.Rewetting the back with more courses after tillering to 25" then reversing it will accomplish the same thing.No matter what order it's done.That sinew is some easily manipulated wonderful working stuff.It's kind of a long haul but the rewards are worth it.I'm waiting on a couple of bows to cure here too myself.A maple and a dogwood.

When the Koreans make the horn bows they reverse brace more per course they do.

Quote from: PatM on January 05, 2013, 09:30:03 pm
I don't think it's the greatest idea to bend the bow and then  go back and reverse brace and add more sinew. You're telling the stave one thing as far as neutral plane location and then changing it.

Yes pat you are correct. Sorry I should have said 25" on the long string. It wount be enough to throw the stave for a loop. And even it was fully tillered adding the sinew would still change the neutral plane.
I dont see much difference.
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Clatskanie, Oregon

Offline PatM

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Re: Sinew Backed Yew Build Along.
« Reply #80 on: January 05, 2013, 11:54:38 pm »
It depends if you want to try for optimal performance.  The idea of sinew backing seems to be to change the neutral plane all at once rather than stressing the belly and then  trying to get more wood working in compression after a section of wood has already been overstressed potentially.
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Offline Bryce

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Re: Sinew Backed Yew Build Along.
« Reply #81 on: January 05, 2013, 11:56:56 pm »
I agree. That's why I'm not gonna over stress the stave.
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Clatskanie, Oregon

Offline Elktracker

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Re: Sinew Backed Yew Build Along.
« Reply #82 on: January 06, 2013, 12:00:08 am »
Hey Bryce been working 7 days a week and dont have much time to get on the net but I plan on checking up on this build  ;D
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my friends think my shops a mess, my wife thinks I have too much bow wood, my neighbors think im redneck white trash and they may all be right on the money!!

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Offline Bryce

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Re: Sinew Backed Yew Build Along.
« Reply #83 on: January 06, 2013, 02:20:34 am »
Probably means you dot have time to build bows either.
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Clatskanie, Oregon

Offline Bryce

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Re: Sinew Backed Yew Build Along.
« Reply #84 on: January 14, 2013, 03:17:00 am »
Alright since it's 19 degrees outside and in the shop, I decided to move the operation inside for these 2 courses.
Ok I cut 2 blocks 2" high and reverse braced the stave with a clamp.



These bundles are a bit larger than before so they can cover the width of the stave.









All done for now








For the next 3-4 weeks I will continue to fill in any gaps and imperfections.

Another note, I can not say enough good things about this titebond hide glue:)

See yah in month :D
-Pinecone
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Clatskanie, Oregon

Offline BowEd

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Re: Sinew Backed Yew Build Along.
« Reply #85 on: January 14, 2013, 10:14:11 am »
That'll be a dandy.
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BowEd
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Offline Keenan

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Re: Sinew Backed Yew Build Along.
« Reply #86 on: January 14, 2013, 12:46:50 pm »
Looking great Bryce. Glad to see you showing efforts to keep the sinew strands laid  on striaght.
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Offline Badly Bent

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Re: Sinew Backed Yew Build Along.
« Reply #87 on: January 14, 2013, 12:48:45 pm »
That some fine work your doing there Bryce. I'm following along and learning a lot, well done build along man. Never done a sinew backed bow, thats if you don't count the one blotched and pathetic attempt on a piece of osage thats now just been resting in my
hotbox for 2 1/2 years. I have plenty of sinew around and maybe I'll learn enough here to do it right next time. Thanks for posting
this.
Greg

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Offline MWirwicki

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Re: Sinew Backed Yew Build Along.
« Reply #88 on: January 14, 2013, 01:34:06 pm »
Nice work so far, Bryce.  I'm looking forward to the final tillering!
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Matt Wirwicki
Owosso, MI

Offline PEARL DRUMS

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Re: Sinew Backed Yew Build Along.
« Reply #89 on: January 14, 2013, 01:44:18 pm »
Quote from: Keenan on January 14, 2013, 12:46:50 pm
Looking great Bryce. Glad to see you showing efforts to keep the sinew strands laid  on striaght.

I second that. Im one of those wierd-o's that believes sinew works better if its all tyed together in a smooth matrix as opposed to a lumpy, gappy mess.
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