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Hunting
Long Range Hunting & Shooting
What would cause this? Bullet drop with elevation change
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<blockquote data-quote="Big Turnips" data-source="post: 2045649" data-attributes="member: 116408"><p>Unlike what one may be inclined to think.</p><p></p><p>Humidity is LESS dense than dry air and in humidity, bullets have a flatter trajectory than they do in dry air.</p><p></p><p>It is the reverse of what we may be inclined to think.</p><p></p><p>Dry air = slower bullet. Humid air = faster bullet.</p><p></p><p>The rifle may have been adjusted in HUMID weather at lower elevation and then tested at a higher elevation which theoretically should make it shoot flatter but all else being equal, may have shot lower because the air was dryer which creates MORE bullet drop. Dry air is more dense unlike what one may think, and offers more resistance than humid air. In general, altitude creates flatter trajectories but not always. The weather, atmospheric pressure and ambient temperatures have a say in the matter. Shooting at very high altitude usually will create a comparatively very flat trajectory but the cold offsets that trajectory somewhat.</p><p></p><p>There are too many reasons why a rifle adjusted by one person for another doesn't yield identical results with both shooters.</p></blockquote><p></p>
[QUOTE="Big Turnips, post: 2045649, member: 116408"] Unlike what one may be inclined to think. Humidity is LESS dense than dry air and in humidity, bullets have a flatter trajectory than they do in dry air. It is the reverse of what we may be inclined to think. Dry air = slower bullet. Humid air = faster bullet. The rifle may have been adjusted in HUMID weather at lower elevation and then tested at a higher elevation which theoretically should make it shoot flatter but all else being equal, may have shot lower because the air was dryer which creates MORE bullet drop. Dry air is more dense unlike what one may think, and offers more resistance than humid air. In general, altitude creates flatter trajectories but not always. The weather, atmospheric pressure and ambient temperatures have a say in the matter. Shooting at very high altitude usually will create a comparatively very flat trajectory but the cold offsets that trajectory somewhat. There are too many reasons why a rifle adjusted by one person for another doesn't yield identical results with both shooters. [/QUOTE]
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What would cause this? Bullet drop with elevation change
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