Primitive Archer
Main Discussion Area => Arrows => Topic started by: Prarie Bowyer on October 01, 2011, 02:18:03 pm
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Not so elaborate on the how to here. I'm baking a cake and I think the pic is self explanatory. I got the template by searching "2Jays spine". Had it printed in color.
I had the hard board left over from a home project. The needle is a bike spoke.
The template comes with a "distance A" marked. This needs to be the distance from the center of the needle pivot point to the bike spoke bend at the back where the arrow rests. the arrow rest part should be about center of the jig.
My weight I forgot to photograph but it's a small instant coffee can with playsand stolen from my daughters sand frong thing and a clothes wire hook.
I clamp mine to the edge of my workbench.
(http://i235.photobucket.com/albums/ee59/scottnlena/IMG_2866.jpg)
(http://i235.photobucket.com/albums/ee59/scottnlena/IMG_2867.jpg)
You can see how I pivot the scale to zero out the needle and arrow shaft. The weight hangs right next to the needle on the arrow shaft at about center or as close as I can manage.
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I like that, nicer than the one I made. Best of all it stays out of the way until you need it. I might have to make one of those.
George
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really nice i love simple things
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really nice i love simple things
That is what my wife says :laugh:
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That's just nifty I got make one of those
Thanks for the idea
-Bo-
Laporte TEXAS
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Prairie Bowyer,I used that same printed chart on my spine tester that is probably 10 years old,and can't remember where I found it.It's time for a new copy .Could you post the website where you found it? Thanks a bunch. God Bless
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Hey thanks for posting this. I needed to make a spine tester and that was accomplished after reading this.It was easy to do and works well. Again thank you..
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I did a google search for "2 Jays Spine testing jig"
I'll try to get a photo copy of mine up. I converted it to PDF and had it profesionaly printed.