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rmarshall":k75whi3l said:
Cartridge : .280 Rem.
Bullet : .284, 154, Hornady InterBond 28309
Useable Case Capaci: 61.106 grain H2O = 3.968 cm³
Cartridge O.A.L. L6: 3.330 inch = 84.58 mm
Barrel Length : 22.0 inch = 558.8 mm
Powder : Alliant Reloder-23 *C *T
Predicted data by increasing and decreasing the given charge,
incremented in steps of 1.0% 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
-10.0 99 54.36 2668 2435 44873 11691 99.9 1.259
-09.0 100 54.96 2698 2489 46472 11766 99.9 1.239
-08.0 101 55.57 2728 2544 48135 11834 100.0 1.219
-07.0 102 56.17 2757 2599 49861 11894 100.0 1.199
-06.0 103 56.78 2786 2655 51654 11951 100.0 1.180
-05.0 104 57.38 2816 2711 53517 12007 100.0 1.161
-04.0 105 57.98 2845 2767 55455 12063 100.0 1.142 ! Near Maximum !
-03.0 106 58.59 2873 2823 57466 12117 100.0 1.124 ! Near Maximum !
-02.0 107 59.19 2902 2880 59570 12170 100.0 1.106 ! Near Maximum !
-01.0 108 59.80 2931 2937 61751 12222 100.0 1.089 ! Near Maximum !
+00.0 110 60.40 2959 2995 64022 12274 100.0 1.071 ! Near Maximum !
+01.0 111 61.00 2988 3052 66389 12324 100.0 1.055 !DANGEROUS LOAD-DO NOT USE!
+02.0 112 61.61 3016 3111 68848 12372 100.0 1.038 !DANGEROUS LOAD-DO NOT USE!
+03.0 113 62.21 3044 3169 71397 12420 100.0 1.022 !DANGEROUS LOAD-DO NOT USE!
+04.0 114 62.82 3073 3228 74042 12467 100.0 1.006 !DANGEROUS LOAD-DO NOT USE!
+05.0 115 63.42 3101 3287 76793 12512 100.0 0.990 !DANGEROUS LOAD-DO NOT USE!
Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 110 60.40 3067 3217 78849 11826 100.0 0.989 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 110 60.40 2792 2666 50631 12782 99.2 1.181
rmarshall":pabl1i0o said:
Cartridge : .280 Rem.
Bullet : .284, 140, Nosler PART SP 16325
Useable Case Capaci: 61.982 grain H2O = 4.024 cm³
Cartridge O.A.L. L6: 3.330 inch = 84.58 mm
Barrel Length : 22.0 inch = 558.8 mm
Powder : Alliant Reloder-23 *C *T
Predicted data by increasing and decreasing the given charge,
incremented in steps of 1.0% 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
-10.0 101 56.25 2784 2409 44627 11946 99.4 1.209
-09.0 102 56.88 2816 2465 46247 12036 99.6 1.189
-08.0 103 57.50 2848 2522 47932 12118 99.8 1.170
-07.0 104 58.13 2880 2579 49684 12192 99.9 1.150
-06.0 105 58.75 2912 2636 51505 12258 100.0 1.131
-05.0 106 59.38 2944 2694 53404 12315 100.0 1.113
-04.0 107 60.00 2976 2752 55379 12366 100.0 1.095 ! Near Maximum !
-03.0 108 60.63 3007 2811 57435 12416 100.0 1.077 ! Near Maximum !
-02.0 110 61.25 3038 2870 59579 12465 100.0 1.059 ! Near Maximum !
-01.0 111 61.88 3070 2929 61811 12512 100.0 1.042 ! Near Maximum !
+00.0 112 62.50 3101 2989 64138 12559 100.0 1.025 ! Near Maximum !
+01.0 113 63.13 3132 3048 66567 12604 100.0 1.008 !DANGEROUS LOAD-DO NOT USE!
+02.0 114 63.75 3162 3109 69101 12648 100.0 0.992 !DANGEROUS LOAD-DO NOT USE!
+03.0 115 64.38 3193 3169 71745 12690 100.0 0.976 !DANGEROUS LOAD-DO NOT USE!
+04.0 116 65.00 3224 3231 74502 12732 100.0 0.960 !DANGEROUS LOAD-DO NOT USE!
+05.0 117 65.63 3254 3292 77392 12772 100.0 0.944 !DANGEROUS LOAD-DO NOT USE!
Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 112 62.50 3222 3227 79372 12076 100.0 0.944 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 112 62.50 2913 2638 50823 12977 98.4 1.131
rmarshall":1ioulqaj said:
Cartridge : .280 Rem.
Bullet : .284, 150, Nosler Accubond LR 58734 G7
Useable Case Capaci: 59.185 grain H2O = 3.843 cm³
Cartridge O.A.L. L6: 3.330 inch = 84.58 mm
Barrel Length : 22.0 inch = 558.8 mm
Powder : Alliant Reloder-23 *C *T
Predicted data by increasing and decreasing the given charge,
incremented in steps of 1.0% 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
-10.0 100 53.64 2691 2411 44651 11427 99.7 1.247
-09.0 102 54.24 2721 2467 46264 11506 99.8 1.226
-08.0 103 54.83 2752 2522 47938 11577 99.9 1.206
-07.0 104 55.43 2782 2578 49679 11641 100.0 1.187
-06.0 105 56.02 2812 2635 51489 11697 100.0 1.167
-05.0 106 56.62 2843 2691 53375 11749 100.0 1.148
-04.0 107 57.22 2873 2748 55336 11799 100.0 1.129 ! Near Maximum !
-03.0 108 57.81 2902 2806 57376 11848 100.0 1.111 ! Near Maximum !
-02.0 109 58.41 2932 2863 59503 11896 100.0 1.093 ! Near Maximum !
-01.0 111 59.00 2962 2921 61713 11944 100.0 1.076 ! Near Maximum !
+00.0 112 59.60 2991 2980 64026 11990 100.0 1.058 ! Near Maximum !
+01.0 113 60.20 3020 3038 66435 12034 100.0 1.041 !DANGEROUS LOAD-DO NOT USE!
+02.0 114 60.79 3050 3098 68944 12078 100.0 1.025 !DANGEROUS LOAD-DO NOT USE!
+03.0 115 61.39 3079 3157 71566 12121 100.0 1.008 !DANGEROUS LOAD-DO NOT USE!
+04.0 116 61.98 3108 3217 74299 12162 100.0 0.992 !DANGEROUS LOAD-DO NOT USE!
+05.0 117 62.58 3137 3277 77159 12202 100.0 0.976 !DANGEROUS LOAD-DO NOT USE!
Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 112 59.60 3104 3209 79221 11530 100.0 0.976 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 112 59.60 2816 2642 50733 12455 98.8 1.167
rmarshall":wgl1bbif said:
Cartridge : .280 Rem.
Bullet : .284, 160, Nosler AccuBond 54932
Useable Case Capaci: 58.204 grain H2O = 3.779 cm³
Cartridge O.A.L. L6: 3.330 inch = 84.58 mm
Barrel Length : 22.0 inch = 558.8 mm
Powder : Alliant Reloder-23 *C *T
Predicted data by increasing and decreasing the given charge,
incremented in steps of 1.0% 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
-10.0 99 52.20 2611 2422 44899 11206 99.9 1.279
-09.0 101 52.78 2640 2476 46504 11275 100.0 1.259
-08.0 102 53.36 2669 2531 48170 11337 100.0 1.238
-07.0 103 53.94 2698 2585 49897 11393 100.0 1.218
-06.0 104 54.52 2726 2640 51701 11447 100.0 1.199
-05.0 105 55.10 2755 2696 53571 11501 100.0 1.180
-04.0 106 55.68 2783 2751 55517 11553 100.0 1.161 ! Near Maximum !
-03.0 107 56.26 2811 2807 57541 11605 100.0 1.142 ! Near Maximum !
-02.0 108 56.84 2839 2864 59646 11655 100.0 1.124 ! Near Maximum !
-01.0 109 57.42 2867 2920 61839 11705 100.0 1.106 ! Near Maximum !
+00.0 111 58.00 2895 2977 64118 11753 100.0 1.089 ! Near Maximum !
+01.0 112 58.58 2923 3035 66503 11801 100.0 1.072 !DANGEROUS LOAD-DO NOT USE!
+02.0 113 59.16 2950 3092 68982 11847 100.0 1.055 !DANGEROUS LOAD-DO NOT USE!
+03.0 114 59.74 2978 3150 71566 11892 100.0 1.038 !DANGEROUS LOAD-DO NOT USE!
+04.0 115 60.32 3005 3209 74249 11936 100.0 1.022 !DANGEROUS LOAD-DO NOT USE!
+05.0 116 60.90 3033 3268 77035 11978 100.0 1.006 !DANGEROUS LOAD-DO NOT USE!
Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 111 58.00 2999 3196 79135 11316 100.0 1.006 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 111 58.00 2733 2654 50748 12267 99.3 1.200