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Hunting
Long Range Hunting & Shooting
Bullet drop with Elevation change
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<blockquote data-quote="catamountsierra" data-source="post: 1696842" data-attributes="member: 79865"><p>While you ballistics app of choice should be able to account for it, as long as you have the needed input data, I think it is good to understand what is causing the changes that you end up seeing. Most of the time, going up in elevation puts you in thinner, drier air, which creates less drag on the bullet. Less drag means that your bullet retains velocity better, which means that it takes less time to get to the target and has less time for gravity to act on it; less time under gravity means that it doesn't fall as far below line of sight and effectively impacts higher. If you don't account for the differences, you will tend to shoot high at altitude.</p></blockquote><p></p>
[QUOTE="catamountsierra, post: 1696842, member: 79865"] While you ballistics app of choice should be able to account for it, as long as you have the needed input data, I think it is good to understand what is causing the changes that you end up seeing. Most of the time, going up in elevation puts you in thinner, drier air, which creates less drag on the bullet. Less drag means that your bullet retains velocity better, which means that it takes less time to get to the target and has less time for gravity to act on it; less time under gravity means that it doesn't fall as far below line of sight and effectively impacts higher. If you don't account for the differences, you will tend to shoot high at altitude. [/QUOTE]
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Bullet drop with Elevation change
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