Alliant Reloader 23

Welcome aboard, williford. Perhaps a QL projection will help?

Cartridge : .280 Ack Imp
Bullet : .284, 150, Nosler AccuBond LR 58734 G7
Useable Case Capaci: 65.294 grain H2O = 4.239 cm³
Cartridge O.A.L. L6: 3.330 inch = 84.58 mm
Barrel Length : 24.0 inch = 609.6 mm
Powder : Alliant Reloder-23

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 !

Code:
Step    Fill. Charge   Vel.  Energy   Pmax   Pmuz  Prop.Burnt B_Time
 %       %    Grains   fps   ft.lbs    psi    psi      %        ms

-20.0   87    51.04   2478    2045   31553   9983     97.2    1.541
-18.0   89    52.32   2541    2150   33827  10231     98.1    1.500
-16.0   91    53.59   2603    2257   36274  10456     98.8    1.461
-14.0   93    54.87   2666    2367   38909  10656     99.3    1.414
-12.0   95    56.14   2728    2478   41748  10830     99.7    1.368
-10.0   98    57.42   2789    2591   44811  10976     99.9    1.324
-08.0  100    58.70   2850    2706   48119  11094    100.0    1.282
-06.0  102    59.97   2910    2821   51695  11198    100.0    1.241
-04.0  104    61.25   2970    2938   55564  11299    100.0    1.201  ! Near Maximum !
-02.0  106    62.52   3029    3056   59728  11396    100.0    1.164  ! Near Maximum !
+00.0  108    63.80   3087    3175   64198  11489    100.0    1.127  ! Near Maximum !
+02.0  111    65.08   3145    3295   69017  11578    100.0    1.092  !DANGEROUS LOAD-DO NOT USE!
+04.0  113    66.35   3203    3418   74221  11662    100.0    1.059  !DANGEROUS LOAD-DO NOT USE!
+06.0  115    67.63   3261    3541   79848  11742    100.0    1.026  !DANGEROUS LOAD-DO NOT USE!
+08.0  117    68.90   3318    3667   85942  11817    100.0    0.995  !DANGEROUS LOAD-DO NOT USE!
+10.0  119    70.18   3375    3795   92554  11886    100.0    0.965  !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 108 63.80 3197 3403 78884 11073 100.0 1.042 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 108 63.80 2919 2837 50416 12004 99.4 1.244

What bullet you thinking of using?
 
Welcome aboard.
What bullet weight are you looking at?

JD338
 
Cartridge : .280 Ack Imp
Bullet : .284, 140, Nosler AccuBond 59992
Useable Case Capaci: 66.220 grain H2O = 4.300 cm³
Cartridge O.A.L. L6: 3.330 inch = 84.58 mm
Barrel Length : 24.0 inch = 609.6 mm
Powder : Alliant Reloder-23

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 !

Code:
Step    Fill. Charge   Vel.  Energy   Pmax   Pmuz  Prop.Burnt B_Time
 %       %    Grains   fps   ft.lbs    psi    psi      %        ms

-20.0   88    52.40   2546    2015   31243  10092     96.2    1.500
-18.0   90    53.71   2612    2121   33512  10361     97.2    1.460
-16.0   92    55.02   2678    2230   35958  10607     98.1    1.421
-14.0   94    56.33   2744    2341   38594  10828     98.8    1.376
-12.0   97    57.64   2810    2454   41440  11023     99.4    1.331
-10.0   99    58.95   2875    2569   44513  11190     99.7    1.287
-08.0  101    60.26   2939    2686   47833  11328    100.0    1.245
-06.0  103    61.57   3003    2804   51433  11435    100.0    1.205
-04.0  105    62.88   3066    2923   55331  11531    100.0    1.166  ! Near Maximum !
-02.0  107    64.19   3129    3044   59561  11622    100.0    1.129  ! Near Maximum !
+00.0  110    65.50   3191    3165   64138  11710    100.0    1.093  ! Near Maximum !
+02.0  112    66.81   3253    3289   69068  11793    100.0    1.058  !DANGEROUS LOAD-DO NOT USE!
+04.0  114    68.12   3314    3414   74403  11871    100.0    1.025  !DANGEROUS LOAD-DO NOT USE!
+06.0  116    69.43   3375    3540   80188  11944    100.0    0.993  !DANGEROUS LOAD-DO NOT USE!
+08.0  118    70.74   3435    3669   86469  12012    100.0    0.962  !DANGEROUS LOAD-DO NOT USE!
+10.0  121    72.05   3496    3799   93304  12075    100.0    0.932  !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 65.50 3310 3405 79087 11271 100.0 1.008 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 110 65.50 3008 2812 50387 12180 99.0 1.207

Cartridge : .280 Ack Imp
Bullet : .284, 160, Nosler AccuBond 54932
Useable Case Capaci: 64.314 grain H2O = 4.176 cm³
Cartridge O.A.L. L6: 3.330 inch = 84.58 mm
Barrel Length : 24.0 inch = 609.6 mm
Powder : Alliant Reloder-23

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 !

Code:
Step    Fill. Charge   Vel.  Energy   Pmax   Pmuz  Prop.Burnt B_Time
 %       %    Grains   fps   ft.lbs    psi    psi      %        ms

-20.0   86    49.60   2405    2055   31640   9841     97.9    1.584
-18.0   88    50.84   2465    2158   33897  10072     98.6    1.543
-16.0   90    52.08   2524    2264   36322  10279     99.2    1.502
-14.0   92    53.32   2583    2371   38931  10462     99.6    1.455
-12.0   94    54.56   2642    2480   41739  10620     99.9    1.408
-10.0   96    55.80   2700    2591   44764  10751    100.0    1.363
-08.0   98    57.04   2758    2702   48027  10863    100.0    1.320
-06.0  100    58.28   2815    2815   51549  10972    100.0    1.279
-04.0  103    59.52   2871    2928   55328  11078    100.0    1.239  ! Near Maximum !
-02.0  105    60.76   2927    3043   59369  11179    100.0    1.201  ! Near Maximum !
+00.0  107    62.00   2982    3159   63710  11277    100.0    1.164  ! Near Maximum !
+02.0  109    63.24   3037    3277   68381  11371    100.0    1.129  !DANGEROUS LOAD-DO NOT USE!
+04.0  111    64.48   3092    3396   73412  11461    100.0    1.095  !DANGEROUS LOAD-DO NOT USE!
+06.0  113    65.72   3146    3517   78837  11546    100.0    1.062  !DANGEROUS LOAD-DO NOT USE!
+08.0  115    66.96   3200    3639   84697  11627    100.0    1.030  !DANGEROUS LOAD-DO NOT USE!
+10.0  118    68.20   3255    3763   91037  11703    100.0    1.000  !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 107 62.00 3084 3378 78054 10879 100.0 1.077 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 107 62.00 2825 2836 50053 11809 99.7 1.283
 
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