I find that I shoot more consistently accurate at with arrows that are on the weak side. I don’t notice any difference at close range but notice them to be much more forgiving at long range and they tend to group better more often.
I’ve shot very stiff, stiff and weak. I feel like the calculators aren’t taking into consideration the amount of shaft we glue shut and keep from bending. Using HIT’s or even long glue in points we are essentially taking all of the flex out of the first 2-3” of the shaft.
All of the spine calculators show me weak but the arrows fly absolutely amazing, the last time I shot an overly weak arrow I had the same results.
Here is my arrrow.
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Here is my setup if I account for the 2” being glued stiff up front.
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