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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Question on bergers bc
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<blockquote data-quote="Mikecr" data-source="post: 262427" data-attributes="member: 1521"><p>What I'm missing is how anyone should apply an 'average BC' within their ballistic software.</p><p>Isn't it the software's job to do this?</p><p>We enter BC, local conditions, and muzzle velocity. The software should take it from there using ****** coefficients(in one form or another), or drag tables with velocity and BC iterations the whole way(like JBM's).</p><p></p><p>What if a 6.5WSM is launching a 140VLD at 3500fps(beyond your average velocity)?</p><p></p><p>The trick I suppose, is entering a correct BC for the muzzle velocity. </p><p>BCs aren't usually listed as based on XXXXVelocity. Heck we aren't even given based conditions(StdMetro, StdArmy, ICAO, etc). It's good that you take it to ICAO, and base it on a velocity. Is it stamped as such on the box?</p></blockquote><p></p>
[QUOTE="Mikecr, post: 262427, member: 1521"] What I'm missing is how anyone should apply an 'average BC' within their ballistic software. Isn't it the software's job to do this? We enter BC, local conditions, and muzzle velocity. The software should take it from there using ****** coefficients(in one form or another), or drag tables with velocity and BC iterations the whole way(like JBM's). What if a 6.5WSM is launching a 140VLD at 3500fps(beyond your average velocity)? The trick I suppose, is entering a correct BC for the muzzle velocity. BCs aren't usually listed as based on XXXXVelocity. Heck we aren't even given based conditions(StdMetro, StdArmy, ICAO, etc). It's good that you take it to ICAO, and base it on a velocity. Is it stamped as such on the box? [/QUOTE]
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Question on bergers bc
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