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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Ballistic Calculators - Bullet Drops when Shooting at Inclination Angles...
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<blockquote data-quote="speedengineer" data-source="post: 1822666" data-attributes="member: 112986"><p>Mike,</p><p>Muzzle velocities I used in this comparison were 900 m/s (2953 fps) with a G1 0.625 bullet. 984mBar baro, 59F temp, 50% humidity. Check out the graphic I attached if you haven't seen it. </p><p></p><p>I recorded mRad and meters of drop from each of the calculator's output. Angular mRad or MOA correction values listed by all the different calculators should be comparable. Also, FYI, all the drop values in m/inches are corrected by each of the calculators to be drop as you'd measure it using your reticle. For a vertically oriented target located downwards from you at 30 degrees line of sight, bullet impacts viewed through the scope look closer together than they would measure using a ruler on the target. Corrected drop = ruler drop*cos(shooting angle). This shouldn't have anything to do with why Hornady's calculator gives different results, but I found it interesting to realize all of these calculators provide their results this way.</p></blockquote><p></p>
[QUOTE="speedengineer, post: 1822666, member: 112986"] Mike, Muzzle velocities I used in this comparison were 900 m/s (2953 fps) with a G1 0.625 bullet. 984mBar baro, 59F temp, 50% humidity. Check out the graphic I attached if you haven't seen it. I recorded mRad and meters of drop from each of the calculator's output. Angular mRad or MOA correction values listed by all the different calculators should be comparable. Also, FYI, all the drop values in m/inches are corrected by each of the calculators to be drop as you'd measure it using your reticle. For a vertically oriented target located downwards from you at 30 degrees line of sight, bullet impacts viewed through the scope look closer together than they would measure using a ruler on the target. Corrected drop = ruler drop*cos(shooting angle). This shouldn't have anything to do with why Hornady's calculator gives different results, but I found it interesting to realize all of these calculators provide their results this way. [/QUOTE]
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Ballistic Calculators - Bullet Drops when Shooting at Inclination Angles...
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