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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Ballistics beyond 2000 yds : do we need/trust them?
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<blockquote data-quote="Michael Eichele" data-source="post: 138587" data-attributes="member: 1007"><p>[ QUOTE ]</p><p> In short, when some programs shows downrange values beyond 2000 yards, my best educated estimate is that they rarely are confirmed by real firings. </p><p></p><p>[/ QUOTE ] </p><p></p><p></p><p>What good are my or your firing tests at beyond 2K going to do for anybody else? Unless they shoot the same caliber with the same bullets with the same twist with the same powder and the same primers at the same velocities, firing test only benefit the shooter doing the test.</p><p></p><p>As has been brought out MANY times here already, ballistic software will ONLY work for each user AFTER he has done his own tests with his own equipment. From there on, with an accurate BC and drag model for his own equipment, will he get accurate predictions for ever changing enviornmental conditions.</p><p></p><p>So to answer your original question. Without doing firing tests for each set of equipment, NO they cannot predict 2000 yard and beyond accuratly. My software cannot, yours cannot, exbal cannot, RSI cannot, sierra cannot. None. It is as simple as that. None ever will be either.</p><p></p><p>You must go do firing tests first for accurate predictions in other than your firing test conditions.</p></blockquote><p></p>
[QUOTE="Michael Eichele, post: 138587, member: 1007"] [ QUOTE ] In short, when some programs shows downrange values beyond 2000 yards, my best educated estimate is that they rarely are confirmed by real firings. [/ QUOTE ] What good are my or your firing tests at beyond 2K going to do for anybody else? Unless they shoot the same caliber with the same bullets with the same twist with the same powder and the same primers at the same velocities, firing test only benefit the shooter doing the test. As has been brought out MANY times here already, ballistic software will ONLY work for each user AFTER he has done his own tests with his own equipment. From there on, with an accurate BC and drag model for his own equipment, will he get accurate predictions for ever changing enviornmental conditions. So to answer your original question. Without doing firing tests for each set of equipment, NO they cannot predict 2000 yard and beyond accuratly. My software cannot, yours cannot, exbal cannot, RSI cannot, sierra cannot. None. It is as simple as that. None ever will be either. You must go do firing tests first for accurate predictions in other than your firing test conditions. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Ballistics beyond 2000 yds : do we need/trust them?
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