[FONT=Verdana, Arial, Helvetica] Hello, I am having a bit of trouble, and can't quite get it to work for me. I have the load that shoots great in my rifle, and it groups well all the way to 750yds. I want to make a come up card for it. I used the ballistic calculator below to figure things out, but when I tested it in real life, it was slightly off. Close, but not perfect. How do I make the adjustment on the ballistic calculator to tell me the drops for all the ranges? My true drop at 500 yds is 24 clicks or 6 MOA. Not the 5.5 MOA the calculator says.[/FONT]
[FONT=Verdana, Arial, Helvetica]Below is the calculations that I used originally to get me on target.[/FONT]
[FONT=Verdana, Arial, Helvetica]http://www.biggameinfo.com/index.aspx?page=%2fbalcalc.ascx[/FONT]
[FONT=Verdana, Arial, Helvetica]Muzzle -1.9 Infinity 3050 3718 78.43 0.000 0.0 NaN 1379 [/FONT]
[FONT=Verdana, Arial, Helvetica]25 -0.4 7 3004 3607 77.25 0.025 0.0 1 1318 [/FONT]
[FONT=Verdana, Arial, Helvetica]50 0.8 -6 2959 3499 76.08 0.050 0.1 1 1259 [/FONT]
[FONT=Verdana, Arial, Helvetica]75 1.8 -9 2914 3393 74.93 0.076 0.3 2 1202 [/FONT]
[FONT=Verdana, Arial, Helvetica]100 2.5 -10 2869 3290 73.78 0.101 0.5 2 1148 [/FONT]
[FONT=Verdana, Arial, Helvetica]125 3.0 -9 2825 3190 72.65 0.128 0.9 3 1096 [/FONT]
[FONT=Verdana, Arial, Helvetica]150 3.2 -8 2782 3093 71.53 0.155 1.2 3 1046 [/FONT]
[FONT=Verdana, Arial, Helvetica]175 3.1 -7 2739 2997 70.42 0.182 1.7 4 998 [/FONT]
[FONT=Verdana, Arial, Helvetica]200 2.7 -5 2696 2905 69.32 0.209 2.2 4 952 [/FONT]
[FONT=Verdana, Arial, Helvetica]225 2.0 -3 2654 2814 68.24 0.237 2.8 5 908 [/FONT]
[FONT=Verdana, Arial, Helvetica]250 1.0 -2 2612 2726 67.16 0.266 3.5 5 866 [/FONT]
[FONT=Verdana, Arial, Helvetica]275 -0.3 0 2570 2641 66.10 0.295 4.3 6 825 [/FONT]
[FONT=Verdana, Arial, Helvetica]300 -1.9 2 2529 2557 65.04 0.324 5.1 7 786 [/FONT]
[FONT=Verdana, Arial, Helvetica]325 -3.9 5 2489 2476 64.00 0.354 6.1 7 749 [/FONT]
[FONT=Verdana, Arial, Helvetica]350 -6.2 7 2449 2396 62.96 0.385 7.1 8 714 [/FONT]
[FONT=Verdana, Arial, Helvetica]375 -8.9 9 2409 2319 61.94 0.415 8.2 8 679 [/FONT]
[FONT=Verdana, Arial, Helvetica]400 -12.0 11 2369 2244 60.93 0.447 9.4 9 647 [/FONT]
[FONT=Verdana, Arial, Helvetica]425 -15.4 14 2331 2171 59.93 0.479 10.7 10 615 [/FONT]
[FONT=Verdana, Arial, Helvetica]450 -19.3 16 2292 2099 58.94 0.511 12.1 10 585 [/FONT]
[FONT=Verdana, Arial, Helvetica]475 -23.5 19 2254 2030 57.96 0.544 13.6 11 556 [/FONT]
[FONT=Verdana, Arial, Helvetica]500 -28.2 22 2216 1963 56.98 0.578 15.1 12 529 [/FONT]
[FONT=Verdana, Arial, Helvetica]525 -33.4 24 2178 1897 56.02 0.612 16.8 12 502 [/FONT]
[FONT=Verdana, Arial, Helvetica]550 -39.0 27 2141 1832 55.06 0.647 18.6 13 477 [/FONT]
[FONT=Verdana, Arial, Helvetica]575 -45.0 30 2104 1770 54.11 0.682 20.5 14 453 [/FONT]
[FONT=Verdana, Arial, Helvetica]600 -51.6 33 2068 1709 53.17 0.718 22.5 14 430 [/FONT]
[FONT=Verdana, Arial, Helvetica]625 -58.6 36 2031 1649 52.24 0.755 24.6 15 407 [/FONT]
[FONT=Verdana, Arial, Helvetica]650 -66.2 39 1996 1591 51.31 0.792 26.8 16 386 [/FONT]
[FONT=Verdana, Arial, Helvetica]675 -74.4 42 1960 1535 50.40 0.830 29.2 17 366 [/FONT]
[FONT=Verdana, Arial, Helvetica]700 -83.1 45 1925 1481 49.50 0.868 31.7 17 347 [/FONT]
[FONT=Verdana, Arial, Helvetica]725 -92.4 49 1890 1428 48.61 0.908 34.3 18 328 [/FONT]
[FONT=Verdana, Arial, Helvetica]750 -102.3 52 1856 1377 47.73 0.948 37.0 19 311 [/FONT]
[FONT=Verdana, Arial, Helvetica]775 -112.8 56 1822 1327 46.86 0.989 39.8 20 294 [/FONT]
[FONT=Verdana, Arial, Helvetica]800 -124.0 59 1789 1279 46.00 1.030 42.8 20 278 [/FONT]
[FONT=Verdana, Arial, Helvetica].308 cal Nosler BT. BC of 0.507. 3050fps. Sight height of 1.9" Elevation of 2365ft. Temp of 60 degrees F. Zero range is 270yds.[/FONT]
[FONT=Verdana, Arial, Helvetica]Can somebody else figure this out? Any questions about my question, please ask so I can make a range card to dial in elevation drops.[/FONT]
[FONT=Verdana, Arial, Helvetica]Thanks, Eric[/FONT]
[FONT=Verdana, Arial, Helvetica]Below is the calculations that I used originally to get me on target.[/FONT]
[FONT=Verdana, Arial, Helvetica]http://www.biggameinfo.com/index.aspx?page=%2fbalcalc.ascx[/FONT]
[FONT=Verdana, Arial, Helvetica]Muzzle -1.9 Infinity 3050 3718 78.43 0.000 0.0 NaN 1379 [/FONT]
[FONT=Verdana, Arial, Helvetica]25 -0.4 7 3004 3607 77.25 0.025 0.0 1 1318 [/FONT]
[FONT=Verdana, Arial, Helvetica]50 0.8 -6 2959 3499 76.08 0.050 0.1 1 1259 [/FONT]
[FONT=Verdana, Arial, Helvetica]75 1.8 -9 2914 3393 74.93 0.076 0.3 2 1202 [/FONT]
[FONT=Verdana, Arial, Helvetica]100 2.5 -10 2869 3290 73.78 0.101 0.5 2 1148 [/FONT]
[FONT=Verdana, Arial, Helvetica]125 3.0 -9 2825 3190 72.65 0.128 0.9 3 1096 [/FONT]
[FONT=Verdana, Arial, Helvetica]150 3.2 -8 2782 3093 71.53 0.155 1.2 3 1046 [/FONT]
[FONT=Verdana, Arial, Helvetica]175 3.1 -7 2739 2997 70.42 0.182 1.7 4 998 [/FONT]
[FONT=Verdana, Arial, Helvetica]200 2.7 -5 2696 2905 69.32 0.209 2.2 4 952 [/FONT]
[FONT=Verdana, Arial, Helvetica]225 2.0 -3 2654 2814 68.24 0.237 2.8 5 908 [/FONT]
[FONT=Verdana, Arial, Helvetica]250 1.0 -2 2612 2726 67.16 0.266 3.5 5 866 [/FONT]
[FONT=Verdana, Arial, Helvetica]275 -0.3 0 2570 2641 66.10 0.295 4.3 6 825 [/FONT]
[FONT=Verdana, Arial, Helvetica]300 -1.9 2 2529 2557 65.04 0.324 5.1 7 786 [/FONT]
[FONT=Verdana, Arial, Helvetica]325 -3.9 5 2489 2476 64.00 0.354 6.1 7 749 [/FONT]
[FONT=Verdana, Arial, Helvetica]350 -6.2 7 2449 2396 62.96 0.385 7.1 8 714 [/FONT]
[FONT=Verdana, Arial, Helvetica]375 -8.9 9 2409 2319 61.94 0.415 8.2 8 679 [/FONT]
[FONT=Verdana, Arial, Helvetica]400 -12.0 11 2369 2244 60.93 0.447 9.4 9 647 [/FONT]
[FONT=Verdana, Arial, Helvetica]425 -15.4 14 2331 2171 59.93 0.479 10.7 10 615 [/FONT]
[FONT=Verdana, Arial, Helvetica]450 -19.3 16 2292 2099 58.94 0.511 12.1 10 585 [/FONT]
[FONT=Verdana, Arial, Helvetica]475 -23.5 19 2254 2030 57.96 0.544 13.6 11 556 [/FONT]
[FONT=Verdana, Arial, Helvetica]500 -28.2 22 2216 1963 56.98 0.578 15.1 12 529 [/FONT]
[FONT=Verdana, Arial, Helvetica]525 -33.4 24 2178 1897 56.02 0.612 16.8 12 502 [/FONT]
[FONT=Verdana, Arial, Helvetica]550 -39.0 27 2141 1832 55.06 0.647 18.6 13 477 [/FONT]
[FONT=Verdana, Arial, Helvetica]575 -45.0 30 2104 1770 54.11 0.682 20.5 14 453 [/FONT]
[FONT=Verdana, Arial, Helvetica]600 -51.6 33 2068 1709 53.17 0.718 22.5 14 430 [/FONT]
[FONT=Verdana, Arial, Helvetica]625 -58.6 36 2031 1649 52.24 0.755 24.6 15 407 [/FONT]
[FONT=Verdana, Arial, Helvetica]650 -66.2 39 1996 1591 51.31 0.792 26.8 16 386 [/FONT]
[FONT=Verdana, Arial, Helvetica]675 -74.4 42 1960 1535 50.40 0.830 29.2 17 366 [/FONT]
[FONT=Verdana, Arial, Helvetica]700 -83.1 45 1925 1481 49.50 0.868 31.7 17 347 [/FONT]
[FONT=Verdana, Arial, Helvetica]725 -92.4 49 1890 1428 48.61 0.908 34.3 18 328 [/FONT]
[FONT=Verdana, Arial, Helvetica]750 -102.3 52 1856 1377 47.73 0.948 37.0 19 311 [/FONT]
[FONT=Verdana, Arial, Helvetica]775 -112.8 56 1822 1327 46.86 0.989 39.8 20 294 [/FONT]
[FONT=Verdana, Arial, Helvetica]800 -124.0 59 1789 1279 46.00 1.030 42.8 20 278 [/FONT]
[FONT=Verdana, Arial, Helvetica].308 cal Nosler BT. BC of 0.507. 3050fps. Sight height of 1.9" Elevation of 2365ft. Temp of 60 degrees F. Zero range is 270yds.[/FONT]
[FONT=Verdana, Arial, Helvetica]Can somebody else figure this out? Any questions about my question, please ask so I can make a range card to dial in elevation drops.[/FONT]
[FONT=Verdana, Arial, Helvetica]Thanks, Eric[/FONT]
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