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Rifles, Reloading, Optics, Equipment
Reloading
Ballistics program vs Real life
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<blockquote data-quote="cohunt" data-source="post: 1897321" data-attributes="member: 94491"><p>are you using a calculated muzzle velocity? if you use an optical chronograph then you have to calculate your actual muzzle velocity-- you would need to have an exact distance that you set your chronograph EVERY time and small changes in distance from your muzzle, weather and BC will cause errors in MV calculations-- in theory, a magneto spee should give you the closest MV number as its actually measuring at the muzzle, a lab radar can get really close as its extremely accurate but it is still a calculated number --any optical chronograph can have errors from minute sensor movement, light fluctuations, battery level, etc</p><p></p><p>I find that you can get really close with ballistic apps out to around 4-500 yards, after that all the small errors start to show up and the further the distance, the worse the error factor as everything starts compounding </p><p></p><p>This is why we should always check dope at the range to verify the actual drop numbers</p></blockquote><p></p>
[QUOTE="cohunt, post: 1897321, member: 94491"] are you using a calculated muzzle velocity? if you use an optical chronograph then you have to calculate your actual muzzle velocity-- you would need to have an exact distance that you set your chronograph EVERY time and small changes in distance from your muzzle, weather and BC will cause errors in MV calculations-- in theory, a magneto spee should give you the closest MV number as its actually measuring at the muzzle, a lab radar can get really close as its extremely accurate but it is still a calculated number --any optical chronograph can have errors from minute sensor movement, light fluctuations, battery level, etc I find that you can get really close with ballistic apps out to around 4-500 yards, after that all the small errors start to show up and the further the distance, the worse the error factor as everything starts compounding This is why we should always check dope at the range to verify the actual drop numbers [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Ballistics program vs Real life
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