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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
How to test bullet expansion?
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<blockquote data-quote="cohunt" data-source="post: 2350199" data-attributes="member: 94491"><p>I was under the assumption that Rpm does not slow down as fast as velocity does, rpm keeps its speed up much better than muzzle velocity. So when you download a bullet, the rpms will be slower on impact than if you shot it at distance. I'd bet someone here actually knows the equations needed to calculate these numbers. </p><p></p><p></p><p>I know a guy that tested the rpm vs mv in ballistic gel and his findings were pretty conclusive--- compared side to side, a full mv shot at distance always showed better bullet expansion than a downloaded bullet at close range.</p></blockquote><p></p>
[QUOTE="cohunt, post: 2350199, member: 94491"] I was under the assumption that Rpm does not slow down as fast as velocity does, rpm keeps its speed up much better than muzzle velocity. So when you download a bullet, the rpms will be slower on impact than if you shot it at distance. I'd bet someone here actually knows the equations needed to calculate these numbers. I know a guy that tested the rpm vs mv in ballistic gel and his findings were pretty conclusive--- compared side to side, a full mv shot at distance always showed better bullet expansion than a downloaded bullet at close range. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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How to test bullet expansion?
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