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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Quest for g7 ballistics programs (can we please make a list)
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<blockquote data-quote="JRu" data-source="post: 306605" data-attributes="member: 6837"><p>If all you have is a G1 BC then yes, finding the optimal values will require gathering velocity and/or drop data, but if you can provide us a G7 BC, you already have a very good approximation of the actual data and corresponding G1 & retardation coefficient can be solved numerically. Naturally the process can be reversed to achieve G7 BC numbers for comparison.</p><p></p><p>This is exactly the same thing we've done versus radar data, and the 338LM flight path predicted by our solver is within 0.07 MOA of error up to over 1500 yards.</p><p></p><p>"G1 BC+K flight path" , "radar data" ( actual flight path ) and "G7 BC flight path" are interchangeable to very fine accuracy, so converting between them is just the matter of solving the key values for minimum error. "Single G1 BC flight path" can't reprocude the same shape of flight path the others can, so it cannot be accurately converted.</p></blockquote><p></p>
[QUOTE="JRu, post: 306605, member: 6837"] If all you have is a G1 BC then yes, finding the optimal values will require gathering velocity and/or drop data, but if you can provide us a G7 BC, you already have a very good approximation of the actual data and corresponding G1 & retardation coefficient can be solved numerically. Naturally the process can be reversed to achieve G7 BC numbers for comparison. This is exactly the same thing we've done versus radar data, and the 338LM flight path predicted by our solver is within 0.07 MOA of error up to over 1500 yards. "G1 BC+K flight path" , "radar data" ( actual flight path ) and "G7 BC flight path" are interchangeable to very fine accuracy, so converting between them is just the matter of solving the key values for minimum error. "Single G1 BC flight path" can't reprocude the same shape of flight path the others can, so it cannot be accurately converted. [/QUOTE]
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Quest for g7 ballistics programs (can we please make a list)
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