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Old 03-01-2012, 10:47 PM   #1
Lorenz1
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Default Arrow spine?????

I was wondering if anybody can help me. I shoot a Omen Pro @ 28.5 dl #70 dw and 100 gr tips, what would the proper spine need to be? I currently shoot Easton ACC Pro Hunting 300 cut to 26.75 inches. It stills seems to be too soft as i always get a left tear. What bothers me is the fact that I can see that the arrows fish-tail out to about 15 yds(the arrows are all slanted to the left in the target to that distance). Any distance after that the 4 NAP Speed Hunter are able to correct and control the flight. Groups are all great out to 90 yds but the first 15 yds really concern me. I have tuned many bows with great success and have always been able to get bullet holes. I could lower the draw weight or switch to a heavier arrow but I like the bow as it is.
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Old 03-01-2012, 11:38 PM   #2
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It's not spine.....

It's how your bow is setup or tuned. You are probably getting contact or you need to add twist to your yoke, or your rest timing or center shot is off. or you could be torquing the bow a bit.

But it would be a pretty good bet that its not a spine issue.


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Old 03-02-2012, 09:57 AM   #3
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Quote:
Originally Posted by Brown Hornet View Post
It's not spine.....
X2

It's almost never spine. As long as the arrow has enough spine to be safe, spine is doesn't matter until you put a broadhead on it.

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Old 03-02-2012, 09:34 PM   #4
Lorenz1
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Default Not sure??

No contact and I am tuning with a bare shaft. No matter what I do I always get a left tear. I can torque the bow or not and still get a left tear. Does not change if the rest is close to the riser or not.
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Old 03-02-2012, 09:38 PM   #5
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I will try to adjust the yoke when I get access to a bow press.
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Old 03-02-2012, 09:41 PM   #6
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Default Curious to know???

Does this still happen with the ### is lowered????
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Old 03-02-2012, 10:06 PM   #7
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I guess I should try that but i have no desire to lower the weight, but that might actually tell me if the spine is the problem.
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Old 03-03-2012, 01:26 PM   #8
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It isn't a spine issue....its a tune issue. It's in the yoke. When nothing you do changes the tear it's the yoke.

Your arrow isn't weak or too stiff.


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Old 03-09-2012, 09:22 AM   #9
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Default Arrow Spine

I did some checking and the spine that you are shooting is actually a little to stiff. Easton's chart is shows that for your set up you should be shooting a 390 or 400 in the pro hunter series. A few times when tunning a setup with a drop away rest I have forgotten to have the **** vane up instead of down and had the same problem as you. I have a few different bows set up differently so sometimes I forget that with a drop away rest. Good luck with that.
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Old 03-09-2012, 09:49 AM   #10
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Yeah, double check your vane orientation as there may be contact with the rest. After that, listen to Hornet: he isn't a dummy at this stuff.
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Old 03-09-2012, 03:08 PM   #11
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Go The Hornet checked you out the other day on one of the Aussie Archery forums ,,nice moves Mate
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