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Hunting
Long Range Hunting & Shooting
Ballistics isn't the math the math?
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<blockquote data-quote="SBruce" data-source="post: 612947" data-attributes="member: 21068"><p>I've noticed the same thing, although not quite that big of a difference.</p><p> </p><p>I've got two versions of the Exbal program, and the PDA version has to have 1/2" HG <u>less pressure</u> to give identical results as the PC version. I read somewhere that it was due to different atmospheric models used. Also, I've got the Sierra software, and it doesn't exactly match the Exbal outputs.</p><p> </p><p><u>Everything was input exactly the same</u> and Sierra gives 6" more drop at 1000 and 3" more drift.??</p><p> </p><p>Perhaps they use different drag models also.?</p></blockquote><p></p>
[QUOTE="SBruce, post: 612947, member: 21068"] I've noticed the same thing, although not quite that big of a difference. I've got two versions of the Exbal program, and the PDA version has to have 1/2" HG [U]less pressure[/U] to give identical results as the PC version. I read somewhere that it was due to different atmospheric models used. Also, I've got the Sierra software, and it doesn't exactly match the Exbal outputs. [U]Everything was input exactly the same[/U] and Sierra gives 6" more drop at 1000 and 3" more drift.?? Perhaps they use different drag models also.? [/QUOTE]
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Ballistics isn't the math the math?
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