QuickLoad 6.5 Creedmoor Request 142acblr

[mike06]

Looking for QuickLoad Data

6.5 Creedmoor
22 inch 1-8 twist barrel
VV N555 Powder
Nosler 142 grain AccuBond Long Range #58922
Thanks Mike

 

[mike06]

bump

 

[DrMike]

Cartridge          : 6.5 Creedmoor Hornady
Bullet             : .264, 142, Nosler AccuBond LR 58922 G7
Useable Case Capaci: 44.175 grain H2O = 2.868 cm³
Cartridge O.A.L. L6: 2.800 inch = 71.12 mm
Barrel Length      : 26.0 inch = 660.4 mm
Powder             : Vihtavuori N555 *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    39.60   2605    2139   43551   8293     99.6    1.478
-09.0  100    40.04   2633    2185   45125   8345     99.8    1.455
-08.0  101    40.48   2661    2232   46757   8393     99.9    1.432
-07.0  102    40.92   2688    2279   48450   8435     99.9    1.410
-06.0  104    41.36   2716    2326   50205   8473    100.0    1.388
-05.0  105    41.80   2744    2373   52026   8505    100.0    1.366
-04.0  106    42.24   2771    2421   53916   8536    100.0    1.345  ! Near Maximum !
-03.0  107    42.68   2798    2469   55877   8566    100.0    1.324  ! Near Maximum !
-02.0  108    43.12   2825    2517   57912   8595    100.0    1.304  ! Near Maximum !
-01.0  109    43.56   2852    2565   60026   8623    100.0    1.284  ! Near Maximum !
+00.0  110    44.00   2879    2613   62221   8651    100.0    1.264  ! Near Maximum !
+01.0  111    44.44   2906    2662   64502   8678    100.0    1.245  !DANGEROUS LOAD-DO NOT USE!
+02.0  112    44.88   2932    2711   66873   8703    100.0    1.226  !DANGEROUS LOAD-DO NOT USE!
+03.0  114    45.32   2959    2760   69337   8729    100.0    1.208  !DANGEROUS LOAD-DO NOT USE!
+04.0  115    45.76   2985    2810   71901   8753    100.0    1.190  !DANGEROUS LOAD-DO NOT USE!
+05.0  116    46.20   3012    2859   74568   8776    100.0    1.172  !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    44.00   2982    2804   76982   8250    100.0    1.169  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba    110    44.00   2717    2327   48041   9059     98.6    1.397

 

[mike06]

Thanks Dr. Mike

 

[robgreen]

Hi any data with the 140 nosler. Custom competition with n555 for a 24 inch 1 in 8 twist barrel and lapua srp brass?

 

[TackDriver284]

Hi any data with the 140 nosler. Custom competition with n555 for a 24 inch 1 in 8 twist barrel and lapua srp brass?

This is a rough estimation with the given details.

Cartridge          : 6.5 Creedmoor Hornady
Bullet             : .264, 140, Nosler CC HPBT 26725
Useable Case Capaci: 45.762 grain H2O = 2.971 cm³
Cartridge O.A.L. L6: 2.800 inch = 71.12 mm
Barrel Length      : 24.0 inch = 609.6 mm
Powder             : Vihtavuori N555 *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   98    40.50   2577    2065   43188   9382     99.3    1.410
-09.0   99    40.95   2606    2110   44729   9450     99.5    1.388
-08.0  100    41.40   2634    2157   46327   9513     99.7    1.365
-07.0  101    41.85   2662    2203   47982   9571     99.8    1.344
-06.0  102    42.30   2690    2249   49697   9624     99.9    1.323
-05.0  103    42.75   2718    2296   51475   9671    100.0    1.302
-04.0  104    43.20   2746    2344   53318   9713    100.0    1.281
-03.0  106    43.65   2773    2391   55230   9749    100.0    1.262  ! Near Maximum !
-02.0  107    44.10   2801    2439   57212   9785    100.0    1.242  ! Near Maximum !
-01.0  108    44.55   2828    2486   59268   9819    100.0    1.223  ! Near Maximum !
+00.0  109    45.00   2855    2534   61402   9853    100.0    1.204  ! Near Maximum !
+01.0  110    45.45   2882    2583   63617   9886    100.0    1.185  !DANGEROUS LOAD-DO NOT USE!
+02.0  111    45.90   2909    2631   65917   9918    100.0    1.167  !DANGEROUS LOAD-DO NOT USE!
+03.0  112    46.35   2936    2680   68305   9949    100.0    1.149  !DANGEROUS LOAD-DO NOT USE!
+04.0  113    46.80   2963    2729   70786   9979    100.0    1.132  !DANGEROUS LOAD-DO NOT USE!
+05.0  114    47.25   2990    2779   73365  10008    100.0    1.115  !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    109    45.00   2964    2731   75803   9405    100.0    1.110  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba    109    45.00   2687    2244   47511  10224     98.1    1.334

 

[robgreen]

Thank you very much