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Author Topic: Tuning question..................  (Read 550 times)

Offline Capt. Dave

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Tuning question..................
« on: November 02, 2010, 08:32:00 PM »
I am grouping left (consistantly) I am shooting 30" 500 spine xx75 shafts, I have tried decreasing the spine by going up in small increments (point weight).I pushed it to 220 grs and I'm still hitting left. The bow is 50lbs at 28@ r/d longbow 62". I am going to assume the rest needs to be adjusted. I'm shooting off the shelf with a bear hair rest and leather plate. The bow is just not hitting where I'm looking (6" to 8") to the left. I have gone through my form including my bow arm and everything feels consistant. What is the next step?

Online McDave

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Re: Tuning question..................
« Reply #1 on: November 02, 2010, 09:45:00 PM »
If you're seeing no change in the point of impact with changes in arrow spine, then you are probably shooting to the left because of form problems.  Shooting to the left, for a RH shooter, can be caused by many factors:

1.  Torqueing the bow, either by grip pressure, often with the thumb, or by torqueing pressure to the string, by not having the fingers pulling parallel to the string.  The primary cause of string torque is a tense forearm.  If you are pulling with your back muscles, you should be able to relax your forearm, and feel a stretching sensation in the joints of your hand and fingers.  If nothing else, try alligning your fingers parallel to the string, but this is not as good as relaxing your hand and fingers, and letting the allignment take care of itself.  If you relax your bow hand at full draw, and the bow wants to change its angle of cant, then you're torqueing the bow and/or bowstring.

2.  Not coming to full draw, such that your string forearm is in line with the arrow, viewed from above.  When your string forearm is at an angle to the arrow, viewed from above, the arrow will tend to go in the direction of your string forearm.

3.  Not having your shoulders perpendicular to the target.  The arrow will tend to go in the direction your shoulders are pointing.

4.  Not keeping a slight bend in your bow arm.  Shooting with a straight bow arm tends to encourage the arrow to go to the left.  Some people disagree with this conclusion, but most people agree with 1-3.
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Offline razorback

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Re: Tuning question..................
« Reply #2 on: November 03, 2010, 09:29:00 AM »
McDave, great answers, i have this problem too and am working on my form. Will take these pointers and see if they are helpful in my situation.
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