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twist rate
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<blockquote data-quote="Warren Jensen" data-source="post: 1062" data-attributes="member: 21"><p>Rufous,</p><p></p><p>The length and weight of a bullet are not the determining factors in gyroscopic stability. It is the relationship between the center of reverse air pressure under the ogive and the center of mass. The actual equation is fairly complex. The greater the distance between these two the faster the twist(spin) needed to keep it pointed nose forward. </p><p></p><p>If Gerard recommends a 1:9 for best performance then I would believe him. He's knows more about his bullets than anyone else. If you don't think he's correct, about the only way for you to find out is to purchase some and shoot them. Sometimes things don't always work out the way the math says it should. That is usually because there are factors in the equation that were not properly accounted for.</p><p></p><p>Warren</p></blockquote><p></p>
[QUOTE="Warren Jensen, post: 1062, member: 21"] Rufous, The length and weight of a bullet are not the determining factors in gyroscopic stability. It is the relationship between the center of reverse air pressure under the ogive and the center of mass. The actual equation is fairly complex. The greater the distance between these two the faster the twist(spin) needed to keep it pointed nose forward. If Gerard recommends a 1:9 for best performance then I would believe him. He's knows more about his bullets than anyone else. If you don't think he's correct, about the only way for you to find out is to purchase some and shoot them. Sometimes things don't always work out the way the math says it should. That is usually because there are factors in the equation that were not properly accounted for. Warren [/QUOTE]
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