Today, I was dialing in my sights. Right away I noticed that all my arrows were to the right at 15 yards. I moved my sight to the right a little and then it was right on. So, I moved the target to 20 yards and it was still almost perfect. Then, I went to 25 and this is where i hit a problem. I got my 25 yard pin perfect vertically on the target, but the arrows were off to the right again. It seems like they drift over to the right the longer the shot is. Do you have any ideas how to correct this?
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Bow is out of tune. Most likely you are out of centershot. The farther back you shoot from the farther your arrow will "drift." Head to the shop for some tuning.
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mobowhunter is correct, centershot is out of whack most likely. This is what is called walkback tuning. Start at say 10yds, shoot an honest 3 shot group at the bullseye. Do not worry that you'll hit above where you aimed.Mark the center of that group. Now, step back to say 30 yards. Shoot another 3 shoot group using the same pin you used to shoot the 10yd group. They will hit low, but what your looking for is whether or not this group is centered with the previous group or left or right. This will tell you which way to move your rest to get them inline. Don't worry about moving your 10yd group. The change will be very minimal at this distance. Once you are as close as you can at 30, trying continuing to move back. I shoot all the way back to 60yds. Of course I'm not shooting at game at those distances, but it helps really fine tune center shot.
Of course, human intervention into the shooting system will also have an effect. If you torque the grip, especially inconsistantly, moving the rest will not help.
You can be out of centershot with any style of rest.
The easiest way, IMO, to fix this problem is to just take a micrometer (or an old fashioned ruler works too I guess, but the more precisely you measure the limbs the better) and find the center point of the limbs.
I usually throw a little masking tape across the limb and mark a vertical line with a pencil.
After you've found the center of your limbs, line your string up with the mark you made, and then adjust the rest until the tip of the arrow is in line as well, if you are using a release. If you are shooting with fingers, line the tip of your arrow a little to the left side of the string (if you're a right handed shooter) and vice versa for left handed shooters.
Paper tuning will fine tune this for you.
Hope this helps.
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The problem with using the center part of the limbs is that most cams don't have the string track right down the middle. The are almost always to the left of center.
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Can you be "out of centershot" with a dropaway??
You should set up a drop away the same way you set up a conventional rest. I always set my rest up by eyeballing everything, then shooting through paper to see what tears I have. My main concern is verticle tears. Left and right a smidge isn't a problem as I do walk back tuning, as mentioned above, to dial in my centershot.
If you are shooting groups further and further left or right the farther your range is, its most likely center shot. If everything is going left more and more as your range increases, simply start moving your rest to the right, a little at a time. Its amazing how much 1/16th movement can make a group move.
First things first,is there a level on the sight? You could have the pins lined up vertically with the target but the target would have to be perfectly also.
If there is a level and you are sure it is level when shooting then all the above advise is good.If there is not a level,then you might be canting the bow.
You could also set the left and right at the farthest distance you can shoot accurately and move back up to the close yardage,you might still be on.Minor adjustments make a big difference at greater distances.
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btw my problem is to the left if that matters
