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Rifles, Reloading, Optics, Equipment
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Cosine Indicator
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<blockquote data-quote="Guest" data-source="post: 57197"><p>Birthcontroller… There is a reason that there are established standards for using cosine. My advice to you is to start using them. Once you do, you will be like everyone else and you will most probably experience success. Simple is as simple does. /ubbthreads/images/graemlins/wink.gif </p><p>Now, as far as the data that you stated that you are using; there are two problems with it. 1) You are using altitude instead of uncorrected for altitude Barometric Pressure. Altitude should only be used when you do not have the means of utilizing the Barometric pressure. 2) After I ran your data, I came up with totally different elevation adjustments then you did, in fact up to a minute off. I am now beginning to wonder if you know the difference between inches of drop and MOA as they are Not the same. But if you have the time, give me a call. I would like to help you out.</p><p>Yards = 400</p><p>Vel = 2298 @ 400 yards </p><p>Energy = 645</p><p>Drop Inches = -28.7 </p><p>Elv./hold = 3.25 moa</p><p>Flight Time = 0.4155 Sec.</p></blockquote><p></p>
[QUOTE="Guest, post: 57197"] Birthcontroller… There is a reason that there are established standards for using cosine. My advice to you is to start using them. Once you do, you will be like everyone else and you will most probably experience success. Simple is as simple does. [img]/ubbthreads/images/graemlins/wink.gif[/img] Now, as far as the data that you stated that you are using; there are two problems with it. 1) You are using altitude instead of uncorrected for altitude Barometric Pressure. Altitude should only be used when you do not have the means of utilizing the Barometric pressure. 2) After I ran your data, I came up with totally different elevation adjustments then you did, in fact up to a minute off. I am now beginning to wonder if you know the difference between inches of drop and MOA as they are Not the same. But if you have the time, give me a call. I would like to help you out. Yards = 400 Vel = 2298 @ 400 yards Energy = 645 Drop Inches = -28.7 Elv./hold = 3.25 moa Flight Time = 0.4155 Sec. [/QUOTE]
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