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Tuning Advice

L

liv4archery

PMA Member
My bow is shooting good through paper. It groups well at 20 yards, but the point of impact moves 3-4 inches right at 30 yards and 6-8 inches right at 40 yards. Is there an adjustment that I can make to the rest or do you think it is operator error with me torqing or something? I reviewed the Easton tuning guide and didn't see anything that addressed this exact situation. Any insight will be greatly appreciated.
 
Sounds to me like a simple alignment problem. Move your sight to the right an eight of an inch and see what happens. You can tune a bow to shoot well at 20 yards, but until you shoot it at 40 or 50 yards you won't be able to tell how well you're sighted in. Kind of like sighting in a rifle scope.....you can be dead on at 50 yards, but a foot off at 300. Hope this makes sense. One other thing to look at......Hold your bow up in front of you and look from behind the string to make sure your arrow tip, sight pins, grip center, and string all line up perfectly. One of the first things I look at when my or someone else's bow is shooting weird.
 
I would start by a slight adjustment to your rest either right or left depending on whether you are shooting broadheads. Do a web search on walk back tuning, it will correct your problem.
 
I agree with Critter. Sight in at 50 yards, then move back to 20 and see what happens.
 
Anyone know the proper way to do a "Walk Back Test"? I read a how to post somewhere before but don't remember exactly how it's done. Bottom line was that if you're on at 20 and off at 40 you need to move your rest. If you're shooting to the left, move your rest "slightly" to the right. Even a slight adjustment to your rest will change your point of impact dramatically.
 
Below is an example I ran across the other day. I used 20, 30, 40 and 50 yards but you can work with what you have. My frustration had been that after getting my bow back into spec and paper tuning, BH's were still hitting an inch or two right of FT's. I found that this and group tuning takes paper tuning another level.

mhtml:http://backinspec.com/Walk_Back_Tuning.mht
 
[ QUOTE ]
Anyone know the proper way to do a "Walk Back Test"? I read a how to post somewhere before but don't remember exactly how it's done. Bottom line was that if you're on at 20 and off at 40 you need to move your rest. If you're shooting to the left, move your rest "slightly" to the right. Even a slight adjustment to your rest will change your point of impact dramatically.

[/ QUOTE ]

Don't you mean to say that if you're shooting to the left, you should move your pin (sight) slightly to the left? Same as with a rifle? You move the reticle to the point of impact? Maybe I'm backwards here.
crazy.gif
 
[ QUOTE ]
Anyone know the proper way to do a "Walk Back Test"?

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I believe that is where you "walk back" behind your target and try to find all the arrows that missed.
evil.gif
 
a buddy had that problem with his rest too. (whisker bisket) two small adjustments and he had a tight group at 40 yards
 
SOunds like you need to do a rest adjustment. I think Rack's advice up above may just be the solution to your problem.
 
[ QUOTE ]
[ QUOTE ]
Anyone know the proper way to do a "Walk Back Test"? I read a how to post somewhere before but don't remember exactly how it's done. Bottom line was that if you're on at 20 and off at 40 you need to move your rest. If you're shooting to the left, move your rest "slightly" to the right. Even a slight adjustment to your rest will change your point of impact dramatically.

[/ QUOTE ]


Don't you mean to say that if you're shooting to the left, you should move your pin (sight) slightly to the left? Same as with a rifle? You move the reticle to the point of impact? Maybe I'm backwards here.
crazy.gif


[/ QUOTE ]

Nope. I said the rest, not the sight.
smirk.gif
 
[ QUOTE ]
[ QUOTE ]
[ QUOTE ]
Anyone know the proper way to do a "Walk Back Test"? I read a how to post somewhere before but don't remember exactly how it's done. Bottom line was that if you're on at 20 and off at 40 you need to move your rest. If you're shooting to the left, move your rest "slightly" to the right. Even a slight adjustment to your rest will change your point of impact dramatically.

[/ QUOTE ]


Don't you mean to say that if you're shooting to the left, you should move your pin (sight) slightly to the left? Same as with a rifle? You move the reticle to the point of impact? Maybe I'm backwards here.
crazy.gif


[/ QUOTE ]

Nope. I said the rest, not the sight.
smirk.gif


[/ QUOTE ]

D'oh! Guess I should read more carefully before posting
grin.gif
 
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