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A Question about Sinew

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Pat B:
Art uses TBIII on bows with good results. I used it on the last course of sinew on Elkie the bow I built for my elk hunt last fall. I also did the repair on  Elkie with TBIII, where the sinew lifted from the wood. On my next sinew bow I will try a shorty, probably ERC and TBIII for glue. I believe you will have to add reflex while adding the sinew for it to hold the reflex. One small problem Art mentioned to me was that his bows would increase in weight during cold weather...up to about 10#.     Pat

ps. TBIII is waterproof after it cures. The other TB glues are only moisture resistant at best.   

GraemeK:
Hi Pat
Sounds like the TB3 is the go. It will be interesting to see if I can make a short highly reflexed Asiatic style bow using just bamboo and sinew ---- GKL

Pappy:
The last one I sinewed back I used hide glue for the sinew and put a snake skins on it with
TB3 and then sealed it and that seem to be keeping the moisture out. :)
   Pappy

Pat B:
GKL, Try a small sinew/boo bow first and see how it will work. I would think that the boo and sinew would be a good combo.
Pappy, I too used the TBIII to put down the skin on Elkie and sealed over the top with it also before adding the regular finish.   Pat

tom sawyer:
Question.  If sinew is basically the same material as hide glue, then what real advantage is there to using Titebond over simply using hide glue and then sealing it with a finish and/or snakeskins or silk?  I seem to recall that Paul Schafer was supposed to have always used sinew-backed bows in Alaska, in some of the moistest environments you can get.  That tells me that sinew and hide glue can be sealed properly.

Every time I hear of sinew being used with Titebond, I cringe a little.  Its not the traditional aspect I object to, rememebr I glued horn on a bow belly with resorcinol.   I just feel like a major advantage of sinew is when it shrinks and tightens up on the back.  It is already heavier than wood so not allowing it to pull into tension is underutilizing the material and negating some of its magic.

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