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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7MM Nosler ABLR
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<blockquote data-quote="KYpatriot" data-source="post: 940565" data-attributes="member: 48028"><p>Bullets cannot "return" to a group once they have deviated from it. The phenomenon that people are claiming causes this is called epicyclic swerve, the common name for it is "going to sleep." It is a red herring, and even if it is present is to small an effect to be measured- lost in the noise as they say. Might as well say it was coriolis lol. </p><p></p><p>I don't doubt that people have shot groups at 300 yards smaller than 100 yards, but if this happens it is because of the shooter not a result of gyroscopic stability effects. It isn't uncommon for people to shoot better when they can't see the group as it develops. </p><p></p><p>The bottom line is, the laws of physics demand that dispersion in a group is proportional to the time of flight, and thus if you shoot a great group at 300 it would have printed even better at 200 or 100. Sometime I need to set up some clear cellophane to capture the group at 100 and 200 in front of a 300 yard target and prove this empirically.</p></blockquote><p></p>
[QUOTE="KYpatriot, post: 940565, member: 48028"] Bullets cannot "return" to a group once they have deviated from it. The phenomenon that people are claiming causes this is called epicyclic swerve, the common name for it is "going to sleep." It is a red herring, and even if it is present is to small an effect to be measured- lost in the noise as they say. Might as well say it was coriolis lol. I don't doubt that people have shot groups at 300 yards smaller than 100 yards, but if this happens it is because of the shooter not a result of gyroscopic stability effects. It isn't uncommon for people to shoot better when they can't see the group as it develops. The bottom line is, the laws of physics demand that dispersion in a group is proportional to the time of flight, and thus if you shoot a great group at 300 it would have printed even better at 200 or 100. Sometime I need to set up some clear cellophane to capture the group at 100 and 200 in front of a 300 yard target and prove this empirically. [/QUOTE]
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7MM Nosler ABLR
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