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Rifles, Reloading, Optics, Equipment
Reloading
How fast, and what weight, must a bullet run to stabilize in a 6 mm , 14 twist barrel?
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<blockquote data-quote="shinbone" data-source="post: 2191248" data-attributes="member: 15248"><p>I played around trying to stabilize marginally stable bullets by shooting them faster. The increased speed didn't seem to help. I think what is happening is; as the bullet is made more stable by spinning faster, the de-stabilizing force of the air pushing on its nose increases, too, due to the increased speed. One force off-sets the other, and there is no net stability gain. Accordingly, increased speed won't improve stability. At least that's how I think of it.</p><p></p><p>Your only two options are a faster twist or a shorter bullet. Obviously, once you've chosen a barrel, the only variable left is bullet length. Note that for a given weight, a flat base bullet will be shorter than a boattail bullet.</p></blockquote><p></p>
[QUOTE="shinbone, post: 2191248, member: 15248"] I played around trying to stabilize marginally stable bullets by shooting them faster. The increased speed didn't seem to help. I think what is happening is; as the bullet is made more stable by spinning faster, the de-stabilizing force of the air pushing on its nose increases, too, due to the increased speed. One force off-sets the other, and there is no net stability gain. Accordingly, increased speed won't improve stability. At least that's how I think of it. Your only two options are a faster twist or a shorter bullet. Obviously, once you've chosen a barrel, the only variable left is bullet length. Note that for a given weight, a flat base bullet will be shorter than a boattail bullet. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
How fast, and what weight, must a bullet run to stabilize in a 6 mm , 14 twist barrel?
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