QL request 284,30-06

[30-338]

I was wondering if someone help using R-26 both rifles.

284 has 27" barrel, 1/9 twist
160gr AB
COAL 3.200"

30-06 has 26" barrel, 1/11 twist
165gr AB
COAL 3.400"

Thanks

Tom

 

[Dwh7271]

I set RL26 for pretty close to what we have been actually seeing for your runs.

Cartridge          : .284 Win.
Bullet             : .284, 160, Nosler AccuBond 54932
Useable Case Capaci: 60.164 grain H2O = 3.906 cm³
Cartridge O.A.L. L6: 3.200 inch = 81.28 mm
Barrel Length      : 27.0 inch = 685.8 mm
Powder             : Alliant Reloder-26 ?

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   80    47.70   2467    2162   29949   8845     97.7    1.719
-18.0   82    48.89   2531    2275   32135   9050     98.5    1.672
-16.0   84    50.08   2594    2390   34498   9232     99.1    1.625
-14.0   86    51.27   2657    2508   37049   9390     99.6    1.581
-12.0   88    52.47   2719    2626   39807   9522     99.9    1.529
-10.0   90    53.66   2781    2747   42793   9627    100.0    1.480
-08.0   92    54.85   2842    2869   46029   9712    100.0    1.431
-06.0   94    56.04   2902    2991   49540   9794    100.0    1.385
-04.0   96    57.24   2961    3115   53353   9872    100.0    1.341
-02.0   98    58.43   3020    3240   57499   9947    100.0    1.298  ! Near Maximum !
+00.0  100    59.62   3078    3367   61994  10018    100.0    1.257  ! Near Maximum !
+02.0  102    60.81   3136    3495   66841  10086    100.0    1.218  !DANGEROUS LOAD-DO NOT USE!
+04.0  104    62.00   3194    3625   72092  10149    100.0    1.180  !DANGEROUS LOAD-DO NOT USE!
+06.0  106    63.20   3252    3756   77789  10208    100.0    1.143  !DANGEROUS LOAD-DO NOT USE!
+08.0  108    64.39   3309    3889   83982  10262    100.0    1.108  !DANGEROUS LOAD-DO NOT USE!
+10.0  110    65.58   3366    4025   90727  10311    100.0    1.074  !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    100    59.62   3191    3618   77968   9600    100.0    1.157  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba    100    59.62   2902    2991   47700  10579     99.6    1.395

Cartridge          : .30-06 Spring.  (SAAMI)
Bullet             : .308, 165, Nosler Accubond 55602
Useable Case Capaci: 60.930 grain H2O = 3.956 cm³
Cartridge O.A.L. L6: 3.400 inch = 86.36 mm
Barrel Length      : 26.0 inch = 660.4 mm
Powder             : Alliant Reloder-26 ?

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   84    50.72   2335    1997   25393   7721     89.4    1.673
-18.0   86    51.99   2402    2113   27220   7999     91.1    1.626
-16.0   88    53.26   2469    2233   29196   8262     92.7    1.581
-14.0   90    54.52   2537    2358   31336   8510     94.2    1.536
-12.0   92    55.79   2605    2486   33655   8739     95.5    1.492
-10.0   95    57.06   2673    2618   36173   8948     96.6    1.449
-08.0   97    58.33   2742    2754   38909   9134     97.6    1.402
-06.0   99    59.60   2810    2893   41887   9297     98.4    1.354
-04.0  101    60.86   2878    3035   45135   9434     99.1    1.309
-02.0  103    62.13   2946    3180   48683   9543     99.6    1.264
+00.0  105    63.40   3014    3328   52565   9625     99.9    1.222  ! Near Maximum !
+02.0  107    64.67   3081    3477   56824   9676    100.0    1.180  ! Near Maximum !
+04.0  109    65.94   3147    3629   61507   9705    100.0    1.140  !DANGEROUS LOAD-DO NOT USE!
+06.0  111    67.20   3213    3783   66668   9729    100.0    1.102  !DANGEROUS LOAD-DO NOT USE!
+08.0  113    68.47   3279    3939   72372   9747    100.0    1.064  !DANGEROUS LOAD-DO NOT USE!
+10.0  116    69.74   3344    4098   78700   9761    100.0    1.028  !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    105    63.40   3172    3687   66610   9106    100.0    1.114  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba    105    63.40   2774    2820   41331   9572     94.3    1.363
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[30-338]

Dwh7271, Thanks.

 

[Dwh7271]

Anytime