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Author Topic: Glass Backed Osage  (Read 571 times)

Offline SteveL

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Glass Backed Osage
« on: March 10, 2011, 01:27:00 AM »
OK I got this idea, not original I know... but I would like to try and build a glass backed only Osage bow.

I have a nice Osage board that is about 5/8" thick and 2" wide. So....

What thickness glass should I use?

Do I have to use a heat box for the glass to board glue up?

And finally what general dimensions would you recommend. Would a Hill style work.

Thanks Guys!
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Offline **DONOTDELETE**

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Re: Glass Backed Osage
« Reply #1 on: March 10, 2011, 01:40:00 AM »
.040 glass should work fine. No hot box necessary.
you could use work lights and just clamp it to a bench for a straight back bow.
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Offline Hermann From Bavaria

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Re: Glass Backed Osage
« Reply #2 on: March 10, 2011, 01:48:00 AM »
For Hill-Style Longbow i would not use Osage. It will work, surely, but I think its way too heavy for this design. i´ve built few short recurves with osage. they all are nice shooters and good looking.

For Hill-Style i would use Bamboo, Yew, Birch, Ash.

Greets
Herm
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Offline razorsharptokill

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Re: Glass Backed Osage
« Reply #3 on: March 10, 2011, 07:39:00 AM »
So glass will work with what I would normally put into a BBO? A taper core and a parallel belly? The glass wont overpower the osage?
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Offline Hermann From Bavaria

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Re: Glass Backed Osage
« Reply #4 on: March 10, 2011, 07:44:00 AM »
if you put the glass only on back, it would surely overpower the osage.

Greets
Herm
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Online Pat B

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Re: Glass Backed Osage
« Reply #5 on: March 10, 2011, 08:42:00 AM »
A few commercial bowyers tried glass backed bows a couple of years ago and abandoned the idea because of mixed results. I think Mike Westvang(wingnut) was one.
 IMO, hickory or boo would be a better option.
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Offline razorsharptokill

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Re: Glass Backed Osage
« Reply #6 on: March 10, 2011, 02:38:00 PM »
Ok... scratch the glass backed osage....  :)
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Jim Richards
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USMC 84-88
Oklahoma Army National Guard 88-89
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Operation New Dawn Iraq 2011,
Operation Enduring Freedom 2018 Afghanistan.
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Offline PEARL DRUMS

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Re: Glass Backed Osage
« Reply #7 on: March 10, 2011, 05:34:00 PM »
I have an OLD bow I think is a Lemonwood with brown glass on the back only. The wood isnt any kind I recognize. It looks hardware store like? Its about 60+ years old. Its hasnt been strung in 40 years, so who knows how durable it is/was.
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Offline 2treks

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Re: Glass Backed Osage
« Reply #8 on: March 10, 2011, 05:48:00 PM »
Pearl, your bow is Lemonwood backed with fortisan(sp)I bet. I have one that I skinned for my wife about 15-16yrs ago and it shoots fine.
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Offline Knawbone

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Re: Glass Backed Osage
« Reply #9 on: March 10, 2011, 06:36:00 PM »
Fortisan?
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Offline SteveL

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Re: Glass Backed Osage
« Reply #10 on: March 10, 2011, 08:07:00 PM »
Sounds like glass is too strong in tension. I do have a piece of hickory I could use for backing. What general dimensions would you recommend for a 50lb'er?

Thanks again,
Steve
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Online Pat B

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Re: Glass Backed Osage
« Reply #11 on: March 10, 2011, 11:14:00 PM »
What's your draw length? Anywhere from 60" to 66", 1 3/8" at the fades and out 6" then a straight taper to 1/2" tips for now.
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Offline SteveL

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Re: Glass Backed Osage
« Reply #12 on: March 10, 2011, 11:30:00 PM »
Hi Pat, I draw a pretty solid 28 1/2"
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Online Pat B

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Re: Glass Backed Osage
« Reply #13 on: March 10, 2011, 11:43:00 PM »
64" to 66" to be safe but with all other measurements.
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