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Fixing string follow

Started by Pete W, February 17, 2013, 11:35:00 PM

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Pete W

My favorite Osage bow I made took a notion it wanted to have string follow instead of reflex.
Most say it can't be changed, some say it can, so I tried to put it back like it was.
The faulty area was on the lower limb, and just at the fade. The bow is 65"  1" wide at the fade tapering to the nocks.
To try to put back the light Reflex it had I clamped it to a caul that tapers from the fade to 3" at 66", and slowly heated it and tightened the clamps as I went . I used a heat gun to do this.
Next I laid the lower limb on the belt sander to flaten the problem area, from half way up the fade to about 8" up the limb. Next I put it back in the caul and clamped it down and re-heated this area good and hot. While it cooled I found the piece that was band sawed from this area originaly, and cut a patch from it full width and about 1/8" thick. I feathered it to nothing on each end and fit it to the limb and fade section of the riser. Then I toasted the patch with heat. It clamped into position perfectly, and then everything sat for a few months till last week. I glued on the patch with EA40 and cured it for about 2 hours under a 500 watt Halogen flood light.
The next day I had to do some scraping and sanding to get the tiller right  on the long string, then on the short string. All was looking good, then as I was drawing it farther I could see the top limb had to be scraped mid limb to make both look even.
It seemed as good as it would be getting so I jumped in and put some varathane on the bare wood, to match the original finish.
It turned out looking great, and very hard to notice the patch. I rounded the patch where it fades into the limb and it just looks like grain  here, The riser end of the patch is a bit noticable  to me because I know it is there, .Today I strung and shot it for an hour, and after letting the string off it still has reflex.
I am a happy camper now, and just hope it maintains its profile. Shooting it was just like it always was, quiet and no jaring shock.
It was a lot of tedious work, but Osage is so hard to get here it would have been a shame to leave it as it was. In the end I know that sometimes you can fix things when you have nothing to loose and everything to gain.    :)  
Pete
Share your knowledge and ideas.

Osagetree

Way to go Pete. That's good to hear. Nice save!!!
>>--TGMM--> Family of the Bow

Pete W

Now I have an excuse for saving all the scraps of wood from the bandsaw. It was convenient to be able to make the patch from the same stave it is going on. Color match was perfect.
Share your knowledge and ideas.

Osagetree

My shop keeps shrinking and I just threw a bunch of scrap out. And, some other things I did not want to part with.

I know whatcha mean!
>>--TGMM--> Family of the Bow

Pete W

You Threw out good garbage?  :biglaugh:
Share your knowledge and ideas.

Dan Landis

I've done the same thing several times now with success.  I've used osage on other woods also to bring them back to my desired weight.  Osage is hard to come by here also.

DVSHUNTER

I wont believe it without pics.

  :goldtooth:
"There is a natural mystic flowing through the air; if you listen carefully now you will hear." Bob Marley

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