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Author Topic: when sinew backing can i layer 3 types of sinew?  (Read 3580 times)

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Offline ravancroft

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when sinew backing can i layer 3 types of sinew?
« on: April 11, 2015, 11:59:40 pm »
This will be my first time backing a bow and i am using sinew, i have enough back leg sinew for two layers of a backing and enough backstrap sinew for one maybe two layers of sinew. Would i be able to layer it leg, backstrap, leg?
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Offline wizardgoat

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Re: when sinew backing can i layer 3 types of sinew?
« Reply #1 on: April 12, 2015, 12:18:31 am »
It's no problem. Its all the same stuff. Do your last layer with the longest stuff
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Offline paco664

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  • ok,ok.. i might have done it...
Re: when sinew backing can i layer 3 types of sinew?
« Reply #2 on: April 12, 2015, 03:35:39 am »
I've never used sinew. .. how much does it take for a ~70" bow 2 layers?
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Offline PEARL DRUMS

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Re: when sinew backing can i layer 3 types of sinew?
« Reply #3 on: April 12, 2015, 08:20:39 am »
Nobody has ever sinewed a 70" bow, tough question Paco. Id ask the 36" bow guys and then double it ;)
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Offline osage outlaw

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Re: when sinew backing can i layer 3 types of sinew?
« Reply #4 on: April 12, 2015, 08:39:52 am »
Why are you sinew backing a 70" bow?  That's usually not a good idea unless you have something like a 40" draw length.
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Offline MWirwicki

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Re: when sinew backing can i layer 3 types of sinew?
« Reply #5 on: April 12, 2015, 09:17:06 am »
I'm with The Outlaw.  The extra mass weight of the sinew on a bow that long will cancel out its benefits for speed.  Also, I prefer leg sinew for bow backing.  But to answer your question, I don't see any reason why you couldn't use sinew from different species.  Unless there might be different stretch, recovery or shrinkage rates.  Probably negligable though.  I would choose one or the other; leg or back.
« Last Edit: April 12, 2015, 09:23:16 am by MWirwicki »
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Matt Wirwicki
Owosso, MI

Offline paco664

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Re: when sinew backing can i layer 3 types of sinew?
« Reply #6 on: April 12, 2015, 11:55:42 am »
ok...
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Offline Pat B

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Re: when sinew backing can i layer 3 types of sinew?
« Reply #7 on: April 12, 2015, 01:25:55 pm »
I've made sinew backed bows with deer leg and back sinew, deer and elk sinew, deer and emu sinew and they all worked well and together.
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Offline bradsmith2010

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Re: when sinew backing can i layer 3 types of sinew?
« Reply #8 on: April 12, 2015, 02:28:42 pm »
maybe if you wanted to use one thin layer,, like a rawhide back,, it would be ok on the longer bow
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Offline MWirwicki

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Re: when sinew backing can i layer 3 types of sinew?
« Reply #9 on: April 12, 2015, 04:21:26 pm »
Cool PatB!  Never tried mixing leg and back!  I've got a bunch of back that I don't do much with except for bandaids and wrapping.
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Matt Wirwicki
Owosso, MI

Offline crooketarrow

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Re: when sinew backing can i layer 3 types of sinew?
« Reply #10 on: April 12, 2015, 05:26:04 pm »
  I've mixed it up 2 times before I saw no differance.
  I once used moose and did'nt have enough. So I put layer of steer first covered with mosse.
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Offline Pat B

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Re: when sinew backing can i layer 3 types of sinew?
« Reply #11 on: April 12, 2015, 06:34:34 pm »
Matt, the little sinew backed bow that Gary gave the kids stave has 3 courses of all back sinew. I prefer back sinew because I can get a neater application and only cow was better than backstrap for me.
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Make the most of all that comes and the least of all that goes!    Pat Brennan  Brevard, NC

Offline ravancroft

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Re: when sinew backing can i layer 3 types of sinew?
« Reply #12 on: April 17, 2015, 01:31:49 pm »
sweet thanks guys, i'll be postings images of it when i have finished. i appreciate all of your thoughts.
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