this is why I reaction tune and why I teach this method. this picture is from a person I know in Austria. he was testing some 300 spine arrows to see if he could use and what tip weight would spine correctly.
what you should notice is there is not any really side tears. this means is power stroke is set. so only high and low tears are what you should see. this picture us a prime example. when the arrow is showing to much bend (underspined) you have a high tear. when the arrow has the correct reaction its a bullet hole and when the arrow doesn't have enough bend (overspined) it starts into a low tear.
tuning arrows with reactions will give you a more forgiving set up.
what you should notice is there is not any really side tears. this means is power stroke is set. so only high and low tears are what you should see. this picture us a prime example. when the arrow is showing to much bend (underspined) you have a high tear. when the arrow has the correct reaction its a bullet hole and when the arrow doesn't have enough bend (overspined) it starts into a low tear.
tuning arrows with reactions will give you a more forgiving set up.
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