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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Kestrel 5700 Applied Ballistics
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<blockquote data-quote="DocUSMCRetired" data-source="post: 1196906" data-attributes="member: 85458"><p>I am saying, it is not my place to share the equations used in the software. In short the equations of motion are being solved, not just a simple one line equation. The drop in inches is computed using the ballistics' solver modified point mass model. To achieve a hold or come up, as you have mentioned, there are several things that are computed. First, the drop at the zero range in computed in terms of inches. Once that is computed, the drop and sight height are added together to achieve the total difference between the bullet drop and the line of sight of the optic. That angle is then accounted for in what is shown in the elevation holds in Analytics. The drop of the bullet as it falls out of the barrel is the right-most column. This is as close as I will get to what is going on. </p><p></p><p>The drop in inches is relative to the drop incurred through out the entire process. The Elevation output is the correction factor as accounted for your line of sight/zero. If you look at the numbers, you will see that in some of the instances for your firing solution you will get 0" of drop at 100 yards, or your zero. In the Kestrel/Analytics you will see the true drop in inches, which is why you can see a Drop of 4 inches at 100 yards. However if you change the output units from mils to inches, you will see that it lines up with what you are getting from other programs. When using an output of inches you get 50 inches of Elevation at 500 yards, which lines up with what you are seeing in other programs. Then you will see on the far right, or in the Drop column on the kestrel the over all drop of around 69 inches. Note this profile was not exactly like yours, so its a little different.</p></blockquote><p></p>
[QUOTE="DocUSMCRetired, post: 1196906, member: 85458"] I am saying, it is not my place to share the equations used in the software. In short the equations of motion are being solved, not just a simple one line equation. The drop in inches is computed using the ballistics' solver modified point mass model. To achieve a hold or come up, as you have mentioned, there are several things that are computed. First, the drop at the zero range in computed in terms of inches. Once that is computed, the drop and sight height are added together to achieve the total difference between the bullet drop and the line of sight of the optic. That angle is then accounted for in what is shown in the elevation holds in Analytics. The drop of the bullet as it falls out of the barrel is the right-most column. This is as close as I will get to what is going on. The drop in inches is relative to the drop incurred through out the entire process. The Elevation output is the correction factor as accounted for your line of sight/zero. If you look at the numbers, you will see that in some of the instances for your firing solution you will get 0" of drop at 100 yards, or your zero. In the Kestrel/Analytics you will see the true drop in inches, which is why you can see a Drop of 4 inches at 100 yards. However if you change the output units from mils to inches, you will see that it lines up with what you are getting from other programs. When using an output of inches you get 50 inches of Elevation at 500 yards, which lines up with what you are seeing in other programs. Then you will see on the far right, or in the Drop column on the kestrel the over all drop of around 69 inches. Note this profile was not exactly like yours, so its a little different. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Kestrel 5700 Applied Ballistics
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