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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Confusing Exbal Question
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<blockquote data-quote="Moman" data-source="post: 249957" data-attributes="member: 10494"><p><span style="font-family: 'Arial'"><span style="font-size: 10px">I am using version 8.10 of the Nightforce Exbal program and shooting a 300 Win Mag at 3000 fps with a 180 gr. Accubond. </span></span></p><p> </p><p><span style="font-family: 'Arial'"><span style="font-size: 10px">Elevation= 800 ft.</span></span></p><p><span style="font-family: 'Arial'"><span style="font-size: 10px">Temp= 50</span></span></p><p><span style="font-family: 'Arial'"><span style="font-size: 10px">RH= 50</span></span></p><p><span style="font-family: 'Arial'"><span style="font-size: 10px">Sight in distance= 200 yds.</span></span></p><p><span style="font-family: 'Arial'"><span style="font-size: 10px">I am using standard atmosphere pressure</span></span></p><p></p><p></p><p><span style="font-family: 'Arial'"><span style="font-size: 10px">At 675 yds it calls for 12.50 minutes. </span></span></p><p><span style="font-family: 'Arial'"><span style="font-size: 10px">At 1025 yds it calls for 27.25 minutes.</span></span></p><p></p><p><span style="font-family: 'Arial'"><span style="font-size: 10px">When shooting at the 675 yd target I am 3-4" high. When shooting at the 1025 yd target I am roughly 24" low and needed to correct the elevation to 31.00 minutes by trial and error. I tried to validate the trajectory at 675 with + 4" but then it calls for an even lower (26.00) elevation at 1025 yds. If I validate the trajectory at 1000 yds and say I am 24" low, it gives me a 29.75 elevation at 1025 which is closer but then the elevation for 675 is 13.75 which would even be higher. I am a little confused and not sure what would be the right thing to do to get both ranges right. What do you think? </span></span></p></blockquote><p></p>
[QUOTE="Moman, post: 249957, member: 10494"] [FONT=Arial][SIZE=2]I am using version 8.10 of the Nightforce Exbal program and shooting a 300 Win Mag at 3000 fps with a 180 gr. Accubond. [/SIZE][/FONT] [FONT=Arial][SIZE=2]Elevation= 800 ft.[/SIZE][/FONT] [FONT=Arial][SIZE=2]Temp= 50[/SIZE][/FONT] [FONT=Arial][SIZE=2]RH= 50[/SIZE][/FONT] [FONT=Arial][SIZE=2]Sight in distance= 200 yds.[/SIZE][/FONT] [FONT=Arial][SIZE=2]I am using standard atmosphere pressure[/SIZE][/FONT] [FONT=Arial][SIZE=2]At 675 yds it calls for 12.50 minutes. [/SIZE][/FONT] [FONT=Arial][SIZE=2]At 1025 yds it calls for 27.25 minutes.[/SIZE][/FONT] [FONT=Arial][SIZE=2]When shooting at the 675 yd target I am 3-4" high. When shooting at the 1025 yd target I am roughly 24" low and needed to correct the elevation to 31.00 minutes by trial and error. I tried to validate the trajectory at 675 with + 4" but then it calls for an even lower (26.00) elevation at 1025 yds. If I validate the trajectory at 1000 yds and say I am 24" low, it gives me a 29.75 elevation at 1025 which is closer but then the elevation for 675 is 13.75 which would even be higher. I am a little confused and not sure what would be the right thing to do to get both ranges right. What do you think? [/SIZE][/FONT] [/QUOTE]
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