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Author Topic: glue bow question?  (Read 2208 times)

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Offline bushboy

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glue bow question?
« on: April 17, 2013, 03:09:50 pm »
I think this is along the lines of a perry reflex glue up .my question is has anyone heat treated the back prior to glue up? My thinking is if the back is treated and covered by a backing all of the heat treated wood remains intact instead of some of the treated wood being removed thru tillering.maybe a dumb question ,but I'm thinking of performance.
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Offline PEARL DRUMS

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Re: glue bow question?
« Reply #1 on: April 17, 2013, 03:32:05 pm »
Heat treating benefits the woods compression characteristics, the back works in tension.
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Offline RBLusthaus

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Re: glue bow question?
« Reply #2 on: April 17, 2013, 03:40:07 pm »
X2
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Offline Joec123able

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Re: glue bow question?
« Reply #3 on: April 17, 2013, 03:57:16 pm »
Don't heat treat the back it needs some moisture to take stretching
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Offline PEARL DRUMS

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Re: glue bow question?
« Reply #4 on: April 17, 2013, 04:12:46 pm »
Quote from: Joec123able on April 17, 2013, 03:57:16 pm
Don't heat treat the back it needs some moisture to take stretching

What?
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Offline Joec123able

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Re: glue bow question?
« Reply #5 on: April 17, 2013, 04:23:07 pm »
Quote from: PEARL DRUMS on April 17, 2013, 04:12:46 pm
Quote from: Joec123able on April 17, 2013, 03:57:16 pm
Don't heat treat the back it needs some moisture to take stretching

What?

What did I say something wrong ??
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Offline PEARL DRUMS

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Re: glue bow question?
« Reply #6 on: April 17, 2013, 04:28:37 pm »
 Unless I read it wrong you said wood needs moisture to stretch? I dont follow that thought.
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Offline Joec123able

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Re: glue bow question?
« Reply #7 on: April 17, 2013, 04:36:55 pm »
Yes it does you don't want the wood to have zero moisture otherwise the wood becomes brittle. This doesn't include the belly because it's under compression.
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Offline PEARL DRUMS

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Re: glue bow question?
« Reply #8 on: April 17, 2013, 04:40:09 pm »
Zero moisture is bad in compression and tension. The moisture driven out during the temper process is regained within a few days in a normal enviroment. There is no way to have a super dry belly and a kinda' dry back.
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Offline bushboy

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Re: glue bow question?
« Reply #9 on: April 17, 2013, 04:42:08 pm »
By heat treating deflex in and then gluing in reflex would the limbs not store more energy because of the opposing forces? Unless I read it wrong this is the perry reflex principle
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Offline Joec123able

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Re: glue bow question?
« Reply #10 on: April 17, 2013, 04:43:02 pm »
All im saying is you don't want to heat treat the back that's it.
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Offline PEARL DRUMS

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Re: glue bow question?
« Reply #11 on: April 17, 2013, 04:46:52 pm »
You are exactly right, but mositure has zero to do with it.
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Offline Joec123able

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Re: glue bow question?
« Reply #12 on: April 17, 2013, 04:51:44 pm »
Quote from: PEARL DRUMS on April 17, 2013, 04:46:52 pm
You are exactly right, but mositure has zero to do with it.

Understood, yOu have much more knowledge than me so I won't argue that fact
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Offline Joec123able

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Re: glue bow question?
« Reply #13 on: April 17, 2013, 04:54:25 pm »
Quote from: bushboy on April 17, 2013, 04:42:08 pm
By heat treating deflex in and then gluing in reflex would the limbs not store more energy because of the opposing forces? Unless I read it wrong this is the perry reflex principle


I would think this would put more strain on the back
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Offline PEARL DRUMS

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Re: glue bow question?
« Reply #14 on: April 17, 2013, 04:55:52 pm »
Im not trying to give you a hard time or make it seem you have no clue Joe, as I dont know you "from Joe" and you could be a pro. What I do know is many, many folks read and learn here on this site and its nice if you can keep the info as accurate as possible for them. We dont want people dumping glasses of water on the back of their bow so it doesnt break! HAHAHAHAHA......Stranger things have happened.
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