.25 WSSM quick load request

super-7

Handloader
Jun 27, 2009
838
1
Dr Mike if you have a chance , ( no rush) 25 wssm, win brass and a BR2 primers with a 80 gr ttsx.
One with Varget, and one with IMR 4350 please.
 
Code:
Cartridge          : .25 WSSM
Bullet             : .257, 80, Barnes 'TTSX'BT 30218
Useable Case Capaci: 50.335 grain H2O = 3.268 cm³
Cartridge O.A.L. L6: 2.360 inch = 59.94 mm
Barrel Length      : 24.0 inch = 609.6 mm
Powder             : IMR 4350

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   94    43.61   3086    1692   41608   8675     88.7    1.157
-09.0   96    44.09   3121    1730   42946   8793     89.3    1.143
-08.0   97    44.57   3155    1768   44329   8908     89.9    1.128
-07.0   98    45.06   3190    1807   45762   9022     90.4    1.113
-06.0   99    45.54   3224    1847   47246   9134     91.0    1.099
-05.0  100    46.03   3259    1887   48782   9243     91.6    1.085
-04.0  101    46.51   3294    1927   50374   9351     92.1    1.071
-03.0  102    47.00   3329    1968   52024   9455     92.6    1.056
-02.0  103    47.48   3363    2010   53734   9558     93.1    1.041
-01.0  104    47.97   3398    2051   55506   9657     93.6    1.026  ! Near Maximum !
+00.0  105    48.45   3433    2094   57343   9754     94.1    1.011  ! Near Maximum !
+01.0  106    48.93   3468    2137   59250   9848     94.6    0.996  ! Near Maximum !
+02.0  107    49.42   3503    2180   61228   9940     95.0    0.982  ! Near Maximum !
+03.0  108    49.90   3538    2224   63273  10027     95.5    0.968  !DANGEROUS LOAD-DO NOT USE!
+04.0  109    50.39   3573    2268   65387  10112     95.9    0.954  !DANGEROUS LOAD-DO NOT USE!
+05.0  110    50.87   3609    2313   67574  10194     96.3    0.940  !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 5% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 5% relative to nominal value:
+Ba    105    48.45   3528    2211   62528   9896     96.8    0.973  ! Near Maximum !
Data for burning rate decreased by 5% relative to nominal value:
-Ba    105    48.45   3328    1967   52259   9510     90.7    1.053

Code:
Cartridge          : .25 WSSM
Bullet             : .257, 80, Barnes 'TTSX'BT 30218
Useable Case Capaci: 50.335 grain H2O = 3.268 cm³
Cartridge O.A.L. L6: 2.360 inch = 59.94 mm
Barrel Length      : 24.0 inch = 609.6 mm
Powder             : Hodgdon VARGET

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   90    40.40   3183    1800   45228   8834     95.5    1.114
-09.0   91    40.85   3215    1837   46587   8929     95.9    1.101
-08.0   92    41.30   3248    1873   47987   9023     96.3    1.089
-07.0   93    41.75   3280    1911   49431   9114     96.7    1.076
-06.0   94    42.20   3312    1948   50919   9202     97.0    1.064
-05.0   95    42.65   3344    1986   52453   9288     97.4    1.050
-04.0   96    43.09   3376    2025   54036   9370     97.7    1.037
-03.0   97    43.54   3408    2063   55667   9450     98.0    1.023  ! Near Maximum !
-02.0   98    43.99   3440    2102   57350   9527     98.3    1.009  ! Near Maximum !
-01.0   99    44.44   3472    2141   59086   9601     98.5    0.996  ! Near Maximum !
+00.0  100    44.89   3503    2180   60876   9671     98.7    0.983  ! Near Maximum !
+01.0  101    45.34   3535    2220   62724   9738     99.0    0.970  ! Near Maximum !
+02.0  102    45.79   3567    2260   64631   9802     99.2    0.957  !DANGEROUS LOAD-DO NOT USE!
+03.0  103    46.24   3598    2300   66599   9863     99.3    0.944  !DANGEROUS LOAD-DO NOT USE!
+04.0  104    46.69   3629    2340   68630   9920     99.5    0.932  !DANGEROUS LOAD-DO NOT USE!
+05.0  105    47.13   3661    2380   70728   9973     99.6    0.920  !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 5% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 5% relative to nominal value:
+Ba    100    44.89   3578    2275   65790   9622     99.8    0.950  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 5% relative to nominal value:
-Ba    100    44.89   3416    2073   56012   9613     96.8    1.020  ! Near Maximum !
 
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