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The Basics, Starting Out
Exbal, Loadbase, different results
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<blockquote data-quote="Michael Eichele" data-source="post: 249467" data-attributes="member: 1007"><p>Sounds like you are doing it about right. Make sure altitude is set to 0' if using station pressure. Also some programs use 29.92 standard pressure and others use 29.53. This could cause the discrepencies between programs. It will however depend on how well the program was written. I have seen some programs that used 29.53 and other that used 29.92 and they matched with in 10ths of an inch. Also some programs use slightly different mathematical formulas causing minor differences. Also it sounds like you were using your Brunton for one program and an airport for another? If one guage is slightly off from another it can cause small discrepancies. A 0.40 difference can cause the descrepancies youre seeing.</p><p></p><p>The important part is that you gather real world data and use this to figure your ballistics with your programs. Something maybe slightly different in each program such as your BC.</p></blockquote><p></p>
[QUOTE="Michael Eichele, post: 249467, member: 1007"] Sounds like you are doing it about right. Make sure altitude is set to 0' if using station pressure. Also some programs use 29.92 standard pressure and others use 29.53. This could cause the discrepencies between programs. It will however depend on how well the program was written. I have seen some programs that used 29.53 and other that used 29.92 and they matched with in 10ths of an inch. Also some programs use slightly different mathematical formulas causing minor differences. Also it sounds like you were using your Brunton for one program and an airport for another? If one guage is slightly off from another it can cause small discrepancies. A 0.40 difference can cause the descrepancies youre seeing. The important part is that you gather real world data and use this to figure your ballistics with your programs. Something maybe slightly different in each program such as your BC. [/QUOTE]
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Exbal, Loadbase, different results
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