QL Request for 7WSM 140AB RL26

[MAinAR]

Can someone who has adjusted the Ba on the RL 26 run QL for me for 7 WSM?

RL26
140AB
OAL 2.85"
Fed 215gm primer
24" barrel

 

[FOTIS]

Cartridge          : 7 mm WSM
Bullet             : .284, 140, Nosler AccuBond 59992
Useable Case Capaci: 72.977 grain H2O = 4.738 cm³
Cartridge O.A.L. L6: 2.860 inch = 72.64 mm
Barrel Length      : 24.0 inch = 609.6 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   77    56.00   2517    1969   27642  10870     92.7    1.603
-18.0   79    57.40   2586    2079   29618  11228     94.2    1.563
-16.0   81    58.80   2656    2193   31749  11565     95.5    1.523
-14.0   83    60.20   2726    2310   34046  11877     96.6    1.484
-12.0   85    61.60   2796    2429   36524  12163     97.6    1.446
-10.0   87    63.00   2865    2552   39203  12419     98.5    1.399
-08.0   89    64.40   2935    2677   42096  12644     99.1    1.353
-06.0   91    65.80   3004    2805   45229  12836     99.6    1.308
-04.0   93    67.20   3072    2934   48623  12993     99.9    1.265
-02.0   95    68.60   3140    3065   52303  13112    100.0    1.224
+00.0   97    70.00   3207    3198   56298  13207    100.0    1.184  ! Near Maximum !
+02.0   99    71.40   3274    3331   60603  13297    100.0    1.145  ! Near Maximum !
+04.0  101    72.80   3339    3467   65238  13382    100.0    1.108  !DANGEROUS LOAD-DO NOT USE!
+06.0  103    74.20   3405    3603   70245  13463    100.0    1.073  !DANGEROUS LOAD-DO NOT USE!
+08.0  105    75.60   3469    3742   75659  13539    100.0    1.038  !DANGEROUS LOAD-DO NOT USE!
+10.0  106    77.00   3534    3882   81524  13609    100.0    1.005  !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     97    70.00   3358    3505   70842  12647    100.0    1.079  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba     97    70.00   2977    2755   43471  13413     96.8    1.322

 

[MAinAR]

Thanks, that is about what I thought. Goal velocity in the 3,250-75 range should be just right. Will probably shoot a couple across the magneto speed at about 68gr to see where fps/grain is at and adjust from there to start.

Thank You

 

[SJB358]

Very interested in how your work goes. 140's are next up in my 7mm WSM.