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Big Game Hunting => Bow Hunting => Topic started by: tbrady on August 07, 2015, 08:33:56 AM


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Title: 340 or 400 spine if both shoot equally well?
Post by: tbrady 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
Title: Re: 340 or 400 spine if both shoot equally well?
Post by: Jonathan_S on August 07, 2015, 08:35:32 AM
Have you shot broadheads yet?
Title: Re: 340 or 400 spine if both shoot equally well?
Post by: D-Rock425 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.
Title: Re: 340 or 400 spine if both shoot equally well?
Post by: D-Rock425 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:
Title: Re: 340 or 400 spine if both shoot equally well?
Post by: tbrady 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. :)
Title: Re: 340 or 400 spine if both shoot equally well?
Post by: Jonathan_S on August 07, 2015, 08:45:23 AM
I'm surprised the broadheads didn't snake around on the 400s

 :tup:
Title: Re: 340 or 400 spine if both shoot equally well?
Post by: tbrady on August 07, 2015, 08:54:11 AM
Thanks guys, I'll stick with the 340s. 
Title: Re: 340 or 400 spine if both shoot equally well?
Post by: tgomez 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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