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TAC 15/15i Basic Unpublished Information
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<blockquote data-quote="jon.henry755" data-source="post: 481207" data-attributes="member: 29115"><p>Hi Egypt,</p><p>You are more than welcome. I'll post additional information as it becomes available, but I am really hoping that some of our other TAC15 owners can add some of their own input to help fill this thread out. </p><p></p><p>I've heard many shooters talk about the fact that these crossbows are extremely accurate, but each arrow seems to be an individual. That means that as soon as they change to shooting a different arrow, they get different flight characteristics. </p><p></p><p>This is usually only caused due to a variation in either weight or spine differences. My strong suspicion is that it's due to a spine problem. If PSE is not using a spine tester before fletching these arrow shafts, it's likely that they are applying vanes to all different places on the circumference of the arrow shaft. </p><p></p><p>Normally, one would mark the stiff side of the arrow spine and then insure that all vanes were placed in precisely the same place so that the stiff side of the spine was the same from arrow to arrow. My guess is that PSE is not using a spine tester for carbon arrows or the are not aligning the spines during the fletching process. This would cause exactly the behavior pattern that these arrows are exhibiting. Somewhere in the next few weeks, I will prove out this theory by taking my arrows into a place that has a spine tester for graphite arrows and testing them against the placement of the vanes. </p><p></p><p>It seems with all the testing going on out there, nobody has even looked at this aspect of arrow flight and it's always critical to competition archers with compound bows, so why are we overlooking it with high speed crossbows?</p><p></p><p>Jon</p></blockquote><p></p>
[QUOTE="jon.henry755, post: 481207, member: 29115"] Hi Egypt, You are more than welcome. I'll post additional information as it becomes available, but I am really hoping that some of our other TAC15 owners can add some of their own input to help fill this thread out. I've heard many shooters talk about the fact that these crossbows are extremely accurate, but each arrow seems to be an individual. That means that as soon as they change to shooting a different arrow, they get different flight characteristics. This is usually only caused due to a variation in either weight or spine differences. My strong suspicion is that it's due to a spine problem. If PSE is not using a spine tester before fletching these arrow shafts, it's likely that they are applying vanes to all different places on the circumference of the arrow shaft. Normally, one would mark the stiff side of the arrow spine and then insure that all vanes were placed in precisely the same place so that the stiff side of the spine was the same from arrow to arrow. My guess is that PSE is not using a spine tester for carbon arrows or the are not aligning the spines during the fletching process. This would cause exactly the behavior pattern that these arrows are exhibiting. Somewhere in the next few weeks, I will prove out this theory by taking my arrows into a place that has a spine tester for graphite arrows and testing them against the placement of the vanes. It seems with all the testing going on out there, nobody has even looked at this aspect of arrow flight and it's always critical to competition archers with compound bows, so why are we overlooking it with high speed crossbows? Jon [/QUOTE]
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TAC 15/15i Basic Unpublished Information
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