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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Weight a factor of BC?
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<blockquote data-quote="VLD Pilot" data-source="post: 2104732" data-attributes="member: 103947"><p>Ballistic calculators are wonderful for getting the drop very close IF all the numbers are real numbers( velocity, BC, weight and altitude). What's not going to matter in that formula is environmental conditions directly speaking of wind velocity. I don't live in a state that offers good LR shooting options. 1000 yards isn't too hard to find but doubling that is pretty tough. I had to find a place and groom it for that. Winds also aren't a big problem here most of the time. I can pick good days easily. Early and late always gives opportunity. No matter what the print says in and publication, it doesn't account for environment completely. Altiltude, temp and barometer are easy and even tho in theory windage is calculated in programs, it's not close to being accurate in most cases. To see the real results, shooting in those conditions is pretty necessary. Even shooting a 6.5-284 with 147s at 1500 yards vs a 284 with 180s, with both having similar ballistics out to that range, wind will call the calculator a liar Everytime. The 180s will always beat the wind better than the 147s. Wind meaning 15-20mph. At 10 or under, the difference is little.</p></blockquote><p></p>
[QUOTE="VLD Pilot, post: 2104732, member: 103947"] Ballistic calculators are wonderful for getting the drop very close IF all the numbers are real numbers( velocity, BC, weight and altitude). What's not going to matter in that formula is environmental conditions directly speaking of wind velocity. I don't live in a state that offers good LR shooting options. 1000 yards isn't too hard to find but doubling that is pretty tough. I had to find a place and groom it for that. Winds also aren't a big problem here most of the time. I can pick good days easily. Early and late always gives opportunity. No matter what the print says in and publication, it doesn't account for environment completely. Altiltude, temp and barometer are easy and even tho in theory windage is calculated in programs, it's not close to being accurate in most cases. To see the real results, shooting in those conditions is pretty necessary. Even shooting a 6.5-284 with 147s at 1500 yards vs a 284 with 180s, with both having similar ballistics out to that range, wind will call the calculator a liar Everytime. The 180s will always beat the wind better than the 147s. Wind meaning 15-20mph. At 10 or under, the difference is little. [/QUOTE]
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Weight a factor of BC?
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