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Rifles, Reloading, Optics, Equipment
Rimfire and Airguns
Effect of Weather Conditions and Elevation on .22LR?
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<blockquote data-quote="Kevin Thomas" data-source="post: 416448" data-attributes="member: 15748"><p>Josh,</p><p> </p><p>Lotta questions here, and a bit overwhelming to try to answer all of them in one statement. The answer is yes, it'll change. Problem is, and of the variables you mentioned here will cause those changes. If it rained, then that means the barometric pressure fell at some point, which will cause your rounds to shoot flatter than on clear sunny days of higher BP. Humidity has it's effects too. Very humid air is lighter than dry air, and will cause the same effect as low BP, a flatter trajectory. You mention uphill and down hill angles; same thing. So you can see, when you start adding all these things together there's a lot of interactions going on, some of which will add to or cancel out others. You can play around with any of the ballistic programs out there and see what some of these things will do when you change them, at least as a starting point. If you want to ask your questions one at a time, you'll probably get more concise answers here. Trust me, it's easier that way.</p><p> </p><p>Kevin Thomas</p><p>Lapua USA</p></blockquote><p></p>
[QUOTE="Kevin Thomas, post: 416448, member: 15748"] Josh, Lotta questions here, and a bit overwhelming to try to answer all of them in one statement. The answer is yes, it'll change. Problem is, and of the variables you mentioned here will cause those changes. If it rained, then that means the barometric pressure fell at some point, which will cause your rounds to shoot flatter than on clear sunny days of higher BP. Humidity has it's effects too. Very humid air is lighter than dry air, and will cause the same effect as low BP, a flatter trajectory. You mention uphill and down hill angles; same thing. So you can see, when you start adding all these things together there's a lot of interactions going on, some of which will add to or cancel out others. You can play around with any of the ballistic programs out there and see what some of these things will do when you change them, at least as a starting point. If you want to ask your questions one at a time, you'll probably get more concise answers here. Trust me, it's easier that way. Kevin Thomas Lapua USA [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rimfire and Airguns
Effect of Weather Conditions and Elevation on .22LR?
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