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Tuning the Tac 15
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<blockquote data-quote="jon.henry755" data-source="post: 533657" data-attributes="member: 29115"><p>Hi ablebakercharlie,</p><p>Another note worth mentioning to you is to be very careful when changing over to broadheads. I've found out that regardless who's broadheads you are using there's a considerable difference in weight on each broadhead by the same manufacturer. </p><p></p><p>As an example, I'm currently using the Terminator Phat Head 100 grain broadheads. The weight deviation from the lightest head to the heaviest in a group of a dozen heads in as follows: 99.0, 99.1, 99.1, 100.1, 100.4, 100.7,102.5, 103.3, 104.5, 105.0, 105.1, 105.7 grains. This is a considerable weight difference and will cause elevation changes at longer distances. </p><p></p><p>I remove the extra weight and balance the heads through a sharpening process on the blades, but the point is you should have an electronic grain scale that can measure gains of weight down to the tenths of a grain. This would be as listed above and I try to keep the weight deviation between my heaviest and lightest arrow in a dozen arrows to be not greater than one tenth of a grain in either direction. Even two or three grains is not going to have much of an effect in elevation up to 100 yards, but the closer you match them, the better your performance will be.</p><p></p><p>Regards,</p><p></p><p>Jon</p></blockquote><p></p>
[QUOTE="jon.henry755, post: 533657, member: 29115"] Hi ablebakercharlie, Another note worth mentioning to you is to be very careful when changing over to broadheads. I've found out that regardless who's broadheads you are using there's a considerable difference in weight on each broadhead by the same manufacturer. As an example, I'm currently using the Terminator Phat Head 100 grain broadheads. The weight deviation from the lightest head to the heaviest in a group of a dozen heads in as follows: 99.0, 99.1, 99.1, 100.1, 100.4, 100.7,102.5, 103.3, 104.5, 105.0, 105.1, 105.7 grains. This is a considerable weight difference and will cause elevation changes at longer distances. I remove the extra weight and balance the heads through a sharpening process on the blades, but the point is you should have an electronic grain scale that can measure gains of weight down to the tenths of a grain. This would be as listed above and I try to keep the weight deviation between my heaviest and lightest arrow in a dozen arrows to be not greater than one tenth of a grain in either direction. Even two or three grains is not going to have much of an effect in elevation up to 100 yards, but the closer you match them, the better your performance will be. Regards, Jon [/QUOTE]
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