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Need real advice on arrow spine and point weight
CB57:
Thought I had some understanding of this. Thought wrong, apparently. Shot with other archers at Barryton shoot in Michigan last weekend, and asked how their arrows were spined for their bows. Mine seem way too stiff, shooting consistently left (right hand shooter). Some shooters had quite low spine weights, some had higher spine and heavier points. I've tried 125 to 190 gr field points and still not sure . 145 -160 seem closest with two different bows, two sets of arrows. Have read TBB on the subject. Still not shooting where I look. Will listen to all advice and sift for workability in my situation. Thank you in advance.
willie:
research will get you the rules of thumb about good arrow flight, but sometimes getting everything tuned for the way "you" shoot can be challenging. I have shot with friends that could not shoot my setup well , nor could I shoot theirs well.
just curious, how wide is you arrow pass and what is your brace height?
Pat B:
For selfbows I go about 10# under draw weight for arrow spine.
When you buy commercial shafting the advertised spine is for a 28" arrow with a 125gr point. For each inch over 28" you can reduce the spine by 5# (the opposite for under 28") and for every 25 grs over 125gr you can subtract 5#of spine weight(the opposite for under 125gr)
So, for a 30" arrow with an actual spine of 60# with a 150gr head the arrow will shoot like 45# spined 28" arrow
ksnow:
Have you ruled out cross eye dominance being an issue? Are you shooting both eyes open? I struggle with being left eye dominant and right handed. I have to close on eye.
Kyle
Pat B:
If you shoot instinctively, eye dominance isn't an issue. You are better shooting with both eyes open for depth perception with the binocular affect.
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