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Author Topic: hickory backed osage board bow question  (Read 2279 times)

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Offline Oak Walker

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hickory backed osage board bow question
« on: November 18, 2015, 10:16:04 am »
I have a few really nice osage boards that I would like to try my hand at bow making with. I'm going heat bend in a form to straighten and reflex/deflex. My question is do I glue on hickory backing before or after heat bending and clamping osage board. Sorry for a probably obvious question but I'm a new hand at this and just want to stack the odds in my favor for making a functional bow. Thanks. O.W.

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Offline PEARL DRUMS

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Re: hickory backed osage board bow question
« Reply #1 on: November 18, 2015, 11:03:32 am »
Heat shape, then glue up. You don't want your glue getting that hot. Most will hold, some wont, and its simply not worth the risk if you have other avenues.
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blackhawk

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Re: hickory backed osage board bow question
« Reply #2 on: November 18, 2015, 11:21:17 am »
Why do you need to straighten a board  ??? You should be able to induce the shape you want at glue up..unless you want recurves on it preheating isnt necessary
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Offline Pat B

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Re: hickory backed osage board bow question
« Reply #3 on: November 18, 2015, 11:24:26 am »
I've not done a R/D from a board but I have done reflexed hickory backed osage board bows. It's a great combo.  After you shape your belly on the form with heat use the same form for your glue-up. I think I'd heat form the hickory too but separately.
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Offline bubby

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Re: hickory backed osage board bow question
« Reply #4 on: November 18, 2015, 12:24:24 pm »
I'm with blackhawk an r/d you should be able to get the profile you want at glue up, also an r/d ain't the easiest bow to tiller if its your first, hell i still have trouble with that style bow, just thin your belly wood down go like 3/8" thick at the tips to 5/8" at the fades and it should flex enough to glue up
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Offline Oak Walker

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Re: hickory backed osage board bow question
« Reply #5 on: November 18, 2015, 01:35:37 pm »
OK thanks guys, that helps a lot. The only reason I thought I might have to heat and shape was to straighten the boards, some of them are not perfectly straight end to end.
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Offline ccase39

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Re: hickory backed osage board bow question
« Reply #6 on: November 18, 2015, 04:08:46 pm »
I found this link to be a great recource

http://www.primitivearcher.com/smf/index.php?topic=6916.0

You can just disregard the tri lam part. He's got measurements to a non tri lam bow in there.
I have made two following that build along that are turning out nice. I still need to tweak the tiller but I'll get them there.

Also like this one.

http://poorfolkbows.com/ipe1.htm


« Last Edit: November 18, 2015, 06:13:11 pm by ccase39 »
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