Arrow Length/ Spine

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  • August 8, 2013 at 12:14 pm #587943 Back to Top REPORT


    Joined: 1/18/2006
    I have been given six ST Epic 340 arrows, but my usual spine is 400.  I shoot 150 grain heads and Flex Fletch 360 vanes.  My HeliM is at 64 lbs.  I don’t have the software I’ve seen used here, and the charts I do use don’t have a 150 grain option for the heads.

    How long do these need to be to get proper spine and good flight?

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