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Hunting
The Basics, Starting Out
HORNADY Ballistics Calculator
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<blockquote data-quote="Hugnot" data-source="post: 2133630" data-attributes="member: 115658"><p>I just ran the H 4DOF calculator with your data and:</p><p></p><p>With a <strong>200</strong> yard zero, shooting slightly up hill at 1* the program indicated that:</p><p></p><p>200 yards the trajectory would be .7' high</p><p>300 yards the trajectory would be 5.89" low, needing an elevation correction of almost 6 inches up with your load - like 2 MOA.</p><p></p><p>I shoot a .260 and 6.5X47 Lapua with 123 ELDM's at close to the same velocity and this data works for me.</p><p></p><p>I can't figure out how the " <em>If i dial up 300 yards, it says to come up 2.28 inches,which seems high to me. I did, bullets 4.5 high +" </em>works or what you did<em>. </em>Are your scope adjustments in MOA's. If the MV were to be increased to 3883 fps the trajectory at 300 would be about 2.5 inches low with a 200 yard zero.</p><p></p><p>The Hornady 4DOF program does not use either G1 or G7 BC's but instead uses approximations that are applied to actual Doppler radar data for cataloged bullets.</p><p></p><p>Possibly the MV data was excessive?</p></blockquote><p></p>
[QUOTE="Hugnot, post: 2133630, member: 115658"] I just ran the H 4DOF calculator with your data and: With a [B]200[/B] yard zero, shooting slightly up hill at 1* the program indicated that: 200 yards the trajectory would be .7' high 300 yards the trajectory would be 5.89" low, needing an elevation correction of almost 6 inches up with your load - like 2 MOA. I shoot a .260 and 6.5X47 Lapua with 123 ELDM's at close to the same velocity and this data works for me. I can't figure out how the " [I]If i dial up 300 yards, it says to come up 2.28 inches,which seems high to me. I did, bullets 4.5 high +" [/I]works or what you did[I]. [/I]Are your scope adjustments in MOA's. If the MV were to be increased to 3883 fps the trajectory at 300 would be about 2.5 inches low with a 200 yard zero. The Hornady 4DOF program does not use either G1 or G7 BC's but instead uses approximations that are applied to actual Doppler radar data for cataloged bullets. Possibly the MV data was excessive? [/QUOTE]
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HORNADY Ballistics Calculator
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