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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Effects of atmospheric pressure on bullet drop at long range.
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<blockquote data-quote="Teri Anne" data-source="post: 2351949" data-attributes="member: 118816"><p>I agree with you that it was in the end a lucky shot but the Bull went down which is what was the desired result. I also agree that temperature, atmospheric pressure and humidity all have an effect on the flight of a bullet as well as the temperature stability of the powder you are using. I do however believe that the issue involving the bullet hitting a foot high, I might say luckily and successfully was the angle of the shot. When shooting at either an upward or downward angle you have to aim low to hit your intended target area. The reason for this is that our range finder measures the distance from your eye to the target as a straight line at 600 yards at a 20 degree angle the actual distance from gun barrel to target. The net result if you plot it out is that instead of flying the ranged 590 yards the actual target is only, let's say for giggles in this case 490 yards away since the upward or downward angle decreases the actual distance from you to the target. Since the distance is considerably shorter the bullet has not fallen the require amount to hit the target at the shorter distance. This results in the bullet not falling the estimated drop at the given range, or in other words hitting high. This high shot varies with distance so I would not be surprised that your shot was indeed a foot high. As it is said, gravity will prevail and we all know that bullets drop due to gravity as the range increases. To read up on this in a better manner than I tried to explain here check out this article from <em><strong>Rifleshooter. </strong></em> <a href="https://www.rifleshootermag.com/editorial/hitting-a-high-or-low-angle-shot/83768" target="_blank">https://www.rifleshootermag.com/editorial/hitting-a-high-or-low-angle-shot/83768</a></p><p>You will have to copy and paste the link into your browser. Very interesting as well as scientific readint.</p></blockquote><p></p>
[QUOTE="Teri Anne, post: 2351949, member: 118816"] I agree with you that it was in the end a lucky shot but the Bull went down which is what was the desired result. I also agree that temperature, atmospheric pressure and humidity all have an effect on the flight of a bullet as well as the temperature stability of the powder you are using. I do however believe that the issue involving the bullet hitting a foot high, I might say luckily and successfully was the angle of the shot. When shooting at either an upward or downward angle you have to aim low to hit your intended target area. The reason for this is that our range finder measures the distance from your eye to the target as a straight line at 600 yards at a 20 degree angle the actual distance from gun barrel to target. The net result if you plot it out is that instead of flying the ranged 590 yards the actual target is only, let's say for giggles in this case 490 yards away since the upward or downward angle decreases the actual distance from you to the target. Since the distance is considerably shorter the bullet has not fallen the require amount to hit the target at the shorter distance. This results in the bullet not falling the estimated drop at the given range, or in other words hitting high. This high shot varies with distance so I would not be surprised that your shot was indeed a foot high. As it is said, gravity will prevail and we all know that bullets drop due to gravity as the range increases. To read up on this in a better manner than I tried to explain here check out this article from [I][B]Rifleshooter. [/B][/I] [URL]https://www.rifleshootermag.com/editorial/hitting-a-high-or-low-angle-shot/83768[/URL] You will have to copy and paste the link into your browser. Very interesting as well as scientific readint. [/QUOTE]
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Effects of atmospheric pressure on bullet drop at long range.
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