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Author Topic: UV on Osage  (Read 4201 times)

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Offline Michael C.

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UV on Osage
« on: June 24, 2009, 11:59:47 am »
I read that sunlight(UV) is what causes Osage to turn the golden brown to darker brown that it does over time. I am not even sure what wavelength colors the Osage but I would guess UV. Has anyone tried using a black light and different camo like leaves and branches to cause shadow and see if it would color the bow with a pattern? I was just curious if anyone has tried this, if I find a black light I think I might give it a go.
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Offline Pappy

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Re: UV on Osage
« Reply #1 on: June 24, 2009, 12:09:24 pm »
Sounds cool,give it a try and show us how it works,sounds like it might. ???
    Pappy
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Offline JackCrafty

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Re: UV on Osage
« Reply #2 on: June 24, 2009, 01:31:08 pm »
Interesting idea....I know that the wood under my handle wraps is a lot lighter.

I wonder if the contrast would remain visible over time (when all areas are exposed to sunlight).  Let us know.
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Offline Kent D.

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Re: UV on Osage
« Reply #3 on: June 24, 2009, 02:23:01 pm »
Interesting idea.  I noticed that some of the osage scraps, that I had setting in the back yard darkened in less than a week.    I wonder if you can get enough light from a standard black light to darken it.  You might even try a plant grow light.  Just a thought.


Please keep us updated on how it works.  Id love to see how it all works out and probably try it myself. ;)
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Offline Timo

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Re: UV on Osage
« Reply #4 on: June 24, 2009, 06:17:30 pm »
I know that floresent lights will darken it.Not sure about a black light.I suppose since it is photosensitive any light will cause it to darken?
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Offline adb

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Re: UV on Osage
« Reply #5 on: June 24, 2009, 06:47:25 pm »
Cool idea. But wouldn't it all just eventually fade to the same color after a fairly short time?
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Offline acker

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Re: UV on Osage
« Reply #6 on: June 24, 2009, 06:48:17 pm »
It works good!
Only a couple of hours in the sun studio and your bow will be lovely colored.
A member of a german bow- forum tried it allreadyhttp://www.fletchers-corner.de/index.php?topic=10757.15

acker
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Offline El Destructo

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Re: UV on Osage
« Reply #7 on: June 24, 2009, 07:38:53 pm »
cool....I still have my Black Lights and Glow in the Dark Posters and Fish Nets for the Ceiling ....and yards of Beer Can Pop Top Chains too.......have I given away My Age yet...... :o    :P
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Offline FlintWalker

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Re: UV on Osage
« Reply #8 on: June 24, 2009, 07:47:40 pm »
Reckon a tanning bed would work? That's some pretty intense light. ???
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Offline Michael C.

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Re: UV on Osage
« Reply #9 on: June 24, 2009, 08:11:21 pm »
I guess I meant for it more to be multi colored and layered instead of just the straight dark golden rotisserie chicken brown.

ADB I think once the pattern was set it would still color over time, but hold the pattern since the exposure would be different on the pattern. I'm sure after about 20-30 years it would eventually hit a peak though.

Quote from: acker on June 24, 2009, 06:48:17 pm
It works good!
Only a couple of hours in the sun studio and your bow will be lovely colored.
A member of a german bow- forum tried it allreadyhttp://www.fletchers-corner.de/index.php?topic=10757.15

acker
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Offline Aries

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Re: UV on Osage
« Reply #10 on: June 24, 2009, 08:33:27 pm »
Ya Ive done this with the tips of some of my bows, I'd cover all but the tips of my bows for about a week and leave it out in the sun and repeated with the otherside. It gave the wood the naturally darker tips. It turned out pretty cool. I have also noticed that a piece of osage such as the inside portion of a stave split will show the effects of the sun much faster than a finished bow will. So possibly the finishing process and clear coat helps to prevent some of the UV's effects.  Ty
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Offline sailordad

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Re: UV on Osage
« Reply #11 on: June 24, 2009, 11:28:03 pm »
Quote from: El Destructo on June 24, 2009, 07:38:53 pm
cool....I still have my Black Lights and Glow in the Dark Posters and Fish Nets for the Ceiling ....and yards of Beer Can Pop Top Chains too.......have I given away My Age yet...... :o    :P

have you been rumaging thru my attic?
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Offline El Destructo

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Re: UV on Osage
« Reply #12 on: June 25, 2009, 12:05:15 am »
                                    Tim...did you inherit this stuff?? You aint a Child of the 60's!!!
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Offline DustinDees

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Re: UV on Osage
« Reply #13 on: June 25, 2009, 06:23:21 am »
If memory serves blacklights are UVa and the UV that causes fade and weathering is UVb, the same UV found in tanning booths in a higher concentration than the sun without the melanoma effects. ha, you could rent a tanning booth for a few hours and that should do it. there are a few clear coats that have major UV blocking properties, that should keep what you want faded faded and the rest like new for a few years. its a really cool idea i must say. best of luck.

Dustin D
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Offline kiwijim

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Re: UV on Osage
« Reply #14 on: June 25, 2009, 06:57:25 am »
A botanist friend of mine once told me that osage and black locust glow brightly under a black light. Tell me if they do.

Cheers
james
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