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-   -   Tuning problems (https://www.huntingnet.com/forum/technical/239013-tuning-problems.html)

bigcountry 03-25-2008 08:24 AM

RE: Tuning problems
 
Well, if your hitting 3" to the right no matter what, what I would do is take 1" off 2 or 3 arrows, and seewhat that does. Or you can add a wrap, to stiffen up. One little trick I did lately is used black tape to add weight right at the nock. I added like 25gr to see if that helps.

But with a bisuit, you might not be able to cut down to 26.5". This should stiffen

AZHuntr 03-25-2008 09:07 AM

RE: Tuning problems
 
Good idea I will try this first. I was thinking of doing an arrow wrap as well so maybe I will try one inch off the back and an arrow wrap. Does anyone have OT2 and if so could you put in my arrow and specs with a 26.5" arrow to tell me what that would do?

bigcountry 03-25-2008 09:17 AM

RE: Tuning problems
 

ORIGINAL: AZHuntr

Good idea I will try this first. I was thinking of doing an arrow wrap as well so maybe I will try one inch off the back and an arrow wrap. Does anyone have OT2 and if so could you put in my arrow and specs with a 26.5" arrow to tell me what that would do?
I ran your setup thru OT2 and honestly the 27.5 should be working as you saw at first. In fact, they show a tad stiff on OT2. And since your limbs are 70-80lbs, and your at 71lbs, your bow is not working very effeciently as a 60-70limb at 70lbs. So stiff reaction makes even less sense. So I am puzzled.

I wonder if more is at play here other than stiff or weak spine.

I assume when you bare shaft test, your bareshafts are hitting to the right also?

AZHuntr 03-25-2008 11:17 AM

RE: Tuning problems
 
I am going to the shop today to have them look at my timing and rest setup maybe that will shed some light on the subject.

What do you mean by "And since your limbs are 70-80lbs, and your at 71lbs, your bow is not working very effeciently as a 60-70limb at 70lbs. So stiff reaction makes even less sense." I am sorry if this is a dumb question I am just trying to learn. I thought that because myBH are going right of the FT then my spine is having a weak reaction but again I could be wrong.

Thanks for your help big country.


bigcountry 03-25-2008 11:57 AM

RE: Tuning problems
 

ORIGINAL: AZHuntr

I am going to the shop today to have them look at my timing and rest setup maybe that will shed some light on the subject.

What do you mean by "And since your limbs are 70-80lbs, and your at 71lbs, your bow is not working very effeciently as a 60-70limb at 70lbs. So stiff reaction makes even less sense." I am sorry if this is a dumb question I am just trying to learn. I thought that because myBH are going right of the FT then my spine is having a weak reaction but again I could be wrong.

Thanks for your help big country.
Lets say, you had two bows. One had 70-80lb limbs and the other had 60-70. Lets say you set both to 70lb's on the nose. The one with the 60-70lb limb most likely will be alot faster and require a tad stiffer spine than the one with 70-80lb limb. Bows generally today work best and most efficient at thier max wieght.

nodog 03-25-2008 05:40 PM

RE: Tuning problems
 

ORIGINAL: AZHuntr

Thats what I was afraid of that my spine is not right. I cannot seem to get this spine thing right OT2 tells me Maxima 250's are perfect and then the Carbon express chart says I am in the middle between the 250's and 350's This is frustrating does anyone have sugesstions on choosing a good spine size without dropping tons of money?
Just because an arrow is labeled the same doesn't mean the spine is identical. I think CX is middle of the road as far as that goes. Gt's are weaker and Easton /Beman are stiffer.

The walk back tune will tell you if the center shot is right, if it is I don't think anything can be done short of trying a different arrow. It's kind of odd that the g5 isn't hitting the same as the point. It's one thing that head has going for it. I've never work on that bow though.

This site has some good info. http://www.alansarchery.pwp.blueyonder.co.uk/HomePage/HomeFrameOrig.htm

AZHuntr 03-25-2008 09:12 PM

RE: Tuning problems
 
Thank You nodog the alans website link is great it looks like I have a lot to lear about tuning and there can be a lot to work on that will help any shooter. I hope following some of these tips will allow me to shoot the arrows I bought.

IA Buck Hunter 03-29-2008 10:20 AM

RE: Tuning problems
 
You are underspined with the 250's. I shoot 29in 350's at 70# and mybroadheads hit EXACTLY where my fieldpoints do. There are a less expensive arrows out there that will work just as good for ya, but if you stick with the Maxima's then switch to 350's.

bigcountry 03-29-2008 12:47 PM

RE: Tuning problems
 

ORIGINAL: IA Buck Hunter

You are underspined with the 250's. I shoot 29in 350's at 70# and mybroadheads hit EXACTLY where my fieldpoints do. There are a less expensive arrows out there that will work just as good for ya, but if you stick with the Maxima's then switch to 350's.
How in the world can you compare your 29" arrow to his 26" draw??

Roskoe 03-29-2008 12:57 PM

RE: Tuning problems
 
There may be some other issue going on. Might have a pro shop check things over. How is the centershot? Sometimes you can't quite get BH's and FP's to impact the same - but it usually isn't more than an inch or so.

What happens if you put on a 75 grain broadhead? If that brings the group back closer to the 100 gr. field point, then you know its a spine issue.


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