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Let's say I shoot 180 fps with a 400 grain arrow. I choose a new shaft and tune it, so that I get a 350 grain arrow. Is there a rule of thumb how many fps adds to the 180? I'm searching for someth...
Let's say I shoot 180 fps with a 400 grain arrow. I choose a new shaft and tune it, so that I get a 350 grain arrow. Is there a rule of thumb how many fps adds to the 180? I'm searching for someth...