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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Ballistic calculator issues
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<blockquote data-quote="Longshotjames" data-source="post: 2931839" data-attributes="member: 91374"><p>If you are using a Chronograph (not radar or magneto) It could lie to you depending on condiditons. I once trued a load for a 7rem mag that was actually 200fps faster than than my Chrono told me. I fixed the speed in my calculator and everything matched up and proved correct out to 1mile. My dad still has that rifle and using the same data for years now. </p><p></p><p>Point is that some part of your data may not be correct. By checking it with actual POI you can true in your data to be accurate, especially out to 600. The mean Longrange gremlins don't start until after 600yd...MHA HA ha ha</p><p></p><p>Id check velocity and Barometric pressure as 2 most likely factors to be off.(assuming you have a solid zero)</p><p>James</p></blockquote><p></p>
[QUOTE="Longshotjames, post: 2931839, member: 91374"] If you are using a Chronograph (not radar or magneto) It could lie to you depending on condiditons. I once trued a load for a 7rem mag that was actually 200fps faster than than my Chrono told me. I fixed the speed in my calculator and everything matched up and proved correct out to 1mile. My dad still has that rifle and using the same data for years now. Point is that some part of your data may not be correct. By checking it with actual POI you can true in your data to be accurate, especially out to 600. The mean Longrange gremlins don't start until after 600yd...MHA HA ha ha Id check velocity and Barometric pressure as 2 most likely factors to be off.(assuming you have a solid zero) James [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Ballistic calculator issues
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