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Reloading
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<blockquote data-quote="Krakkon" data-source="post: 945000" data-attributes="member: 12105"><p>Ok, so I tweaked burn rate form default 0.5130 to 0.5450 and weighing factor from default of 0.6 to 0.4 to get the speeds to match my chrony... Is this the wrong way to go about it?</p><p></p><p></p><p>Cartridge : .243 Win.</p><p>Bullet : .243, 87, Hornady V-MAX 22440</p><p>Useable Case Capaci: 50.600 grain H2O = 3.285 cm³</p><p>Cartridge O.A.L. L6: 2.645 inch = 67.18 mm</p><p>Barrel Length : 22.0 inch = 558.8 mm</p><p>Powder : Hodgdon H4350 ?</p><p></p><p>Predicted data by increasing and decreasing the given charge,</p><p>incremented in steps of 2.0% of nominal charge.</p><p>CAUTION: Figures exceed maximum and minimum recommended loads !</p><p></p><p>Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time</p><p> % % Grains fps ft.lbs psi psi % ms</p><p></p><p>-20.0 76 34.80 2571 1277 30249 9633 88.1 1.359</p><p>-18.0 78 35.67 2632 1339 32147 9952 89.4 1.335</p><p>-16.0 80 36.54 2694 1402 34134 10265 90.5 1.302</p><p>-14.0 82 37.41 2755 1467 36220 10572 91.6 1.269</p><p>-12.0 84 38.28 2817 1533 38426 10870 92.7 1.235</p><p>-10.0 86 39.15 2878 1601 40758 11160 93.7 1.199</p><p>-08.0 88 40.02 2940 1670 43225 11440 94.6 1.166</p><p>-06.0 90 40.89 3002 1741 45835 11710 95.5 1.134</p><p>-04.0 92 41.76 3063 1812 48596 11968 96.2 1.102</p><p>-02.0 93 42.63 3124 1886 51517 12213 96.9 1.072 ! Near Maximum !</p><p>+00.0 95 43.50 3185 1960 54611 12444 97.6 1.043 ! Near Maximum !</p><p>+02.0 97 44.37 3246 2036 57887 12662 98.2 1.015 ! Near Maximum !</p><p>+04.0 99 45.24 3307 2113 61358 12864 98.7 0.988 !DANGEROUS LOAD-DO NOT USE!</p><p>+06.0 101 46.11 3368 2191 65037 13050 99.1 0.962 !DANGEROUS LOAD-DO NOT USE!</p><p>+08.0 103 46.98 3428 2270 68941 13219 99.4 0.937 !DANGEROUS LOAD-DO NOT USE!</p><p>+10.0 105 47.85 3488 2350 73085 13371 99.7 0.913 !DANGEROUS LOAD-DO NOT USE!</p></blockquote><p></p>
[QUOTE="Krakkon, post: 945000, member: 12105"] Ok, so I tweaked burn rate form default 0.5130 to 0.5450 and weighing factor from default of 0.6 to 0.4 to get the speeds to match my chrony... Is this the wrong way to go about it? Cartridge : .243 Win. Bullet : .243, 87, Hornady V-MAX 22440 Useable Case Capaci: 50.600 grain H2O = 3.285 cm³ Cartridge O.A.L. L6: 2.645 inch = 67.18 mm Barrel Length : 22.0 inch = 558.8 mm Powder : Hodgdon H4350 ? Predicted data by increasing and decreasing the given charge, incremented in steps of 2.0% of nominal charge. CAUTION: Figures exceed maximum and minimum recommended loads ! Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time % % Grains fps ft.lbs psi psi % ms -20.0 76 34.80 2571 1277 30249 9633 88.1 1.359 -18.0 78 35.67 2632 1339 32147 9952 89.4 1.335 -16.0 80 36.54 2694 1402 34134 10265 90.5 1.302 -14.0 82 37.41 2755 1467 36220 10572 91.6 1.269 -12.0 84 38.28 2817 1533 38426 10870 92.7 1.235 -10.0 86 39.15 2878 1601 40758 11160 93.7 1.199 -08.0 88 40.02 2940 1670 43225 11440 94.6 1.166 -06.0 90 40.89 3002 1741 45835 11710 95.5 1.134 -04.0 92 41.76 3063 1812 48596 11968 96.2 1.102 -02.0 93 42.63 3124 1886 51517 12213 96.9 1.072 ! Near Maximum ! +00.0 95 43.50 3185 1960 54611 12444 97.6 1.043 ! Near Maximum ! +02.0 97 44.37 3246 2036 57887 12662 98.2 1.015 ! Near Maximum ! +04.0 99 45.24 3307 2113 61358 12864 98.7 0.988 !DANGEROUS LOAD-DO NOT USE! +06.0 101 46.11 3368 2191 65037 13050 99.1 0.962 !DANGEROUS LOAD-DO NOT USE! +08.0 103 46.98 3428 2270 68941 13219 99.4 0.937 !DANGEROUS LOAD-DO NOT USE! +10.0 105 47.85 3488 2350 73085 13371 99.7 0.913 !DANGEROUS LOAD-DO NOT USE! [/QUOTE]
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