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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
is copper jacket spinning around lead core during flight
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<blockquote data-quote="ntsqd" data-source="post: 2277121" data-attributes="member: 93138"><p>It seems to me that the distortion of the jacket caused by the rifling would tend to "key" the core to the jacket. If the core still manages to spin relative to the jacket this keying would require that the boundary layer of molten lead to be quite thick. Which makes this possibility all that much harder to have happen. Thick bullet jackets will display less distortion on the jacket interior surface than would a thin jacket. Given which bullets tend to get thick jackets and which tend to get thick jackets this should make relative motion between the core and the jacket even less likely.</p></blockquote><p></p>
[QUOTE="ntsqd, post: 2277121, member: 93138"] It seems to me that the distortion of the jacket caused by the rifling would tend to "key" the core to the jacket. If the core still manages to spin relative to the jacket this keying would require that the boundary layer of molten lead to be quite thick. Which makes this possibility all that much harder to have happen. Thick bullet jackets will display less distortion on the jacket interior surface than would a thin jacket. Given which bullets tend to get thick jackets and which tend to get thick jackets this should make relative motion between the core and the jacket even less likely. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
is copper jacket spinning around lead core during flight
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