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Author Topic: 340 or 400 spine if both shoot equally well?  (Read 2839 times)

Offline tbrady

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340 or 400 spine if both shoot equally well?
« on: August 07, 2015, 08:33:56 AM »
Hey Guys,

Need to get some new arrows and am trying to figure out whether to get 340 or 400 spines.  I shoot a Bowtech Admiral set at 30" draw (29" arrow), 65lb draw.  From what I can tell my bow is shooting both almost equally well, the 400s group a little higher is all. 

Thoughts?

thanks
tim

Offline Jonathan_S

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Re: 340 or 400 spine if both shoot equally well?
« Reply #1 on: August 07, 2015, 08:35:32 AM »
Have you shot broadheads yet?
Kindly do not attempt to cloud the issue with too many facts.

Offline D-Rock425

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Re: 340 or 400 spine if both shoot equally well?
« Reply #2 on: August 07, 2015, 08:37:08 AM »
340's for sure 400 are under spined for you I'm pretty sure.  What grain tip are you shooting?  That will make a difference as well.

Offline D-Rock425

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Re: 340 or 400 spine if both shoot equally well?
« Reply #3 on: August 07, 2015, 08:42:35 AM »
Here is a arrow chart it's probably not the best chart but it gives you an idea.  Always better in my opinion to be on the stiffer side.  (minds out of gutter) :chuckle:

Offline tbrady

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Re: 340 or 400 spine if both shoot equally well?
« Reply #4 on: August 07, 2015, 08:43:54 AM »
Shooting 100gr tips/broadheads.  And yeah Jonathan, I have shot both and they group almost identical for both the 340/400 spine.  I'm inclined to stick with the 340s since that is what I have used but thought I would check with the experts. :)

Offline Jonathan_S

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Re: 340 or 400 spine if both shoot equally well?
« Reply #5 on: August 07, 2015, 08:45:23 AM »
I'm surprised the broadheads didn't snake around on the 400s

 :tup:
Kindly do not attempt to cloud the issue with too many facts.

Offline tbrady

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Re: 340 or 400 spine if both shoot equally well?
« Reply #6 on: August 07, 2015, 08:54:11 AM »
Thanks guys, I'll stick with the 340s. 

Offline tgomez

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Re: 340 or 400 spine if both shoot equally well?
« Reply #7 on: August 07, 2015, 08:58:30 AM »
Stay with the ones that you feel will work best with your equpitmen/draw weight/draw length. As others have said I like a stiff spine. I like to use the Easton Axis arrows, and put on my own Blazer 2" vanes.
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